Bariatric Surgery Cost Calculator — 2026 Weight Loss Surgery Price Estimator
Get a realistic 2026 all-in estimate for bariatric weight-loss surgery by procedure type, insurance status, and facility — then connect with bariatric surgeons near you.
Procedure Type
Insurance Status
Facility Type
Location
Get an instant estimate—add your ZIP for local pricing
Get an instant estimate—add your ZIP for local pricing
Disclaimer: This calculator provides cost estimates for informational purposes only. It is not medical or dental advice, diagnosis, or treatment recommendation. Actual procedure costs vary by provider, location, insurance coverage, complications, and individual medical factors. Consult a licensed healthcare provider for medical guidance. Insurance coverage and out-of-pocket costs should be verified directly with your insurer and the provider before scheduling any procedure. This estimate does not include prescription medications, follow-up care, complications, or related ancillary services unless explicitly stated. No outcome, safety, or success rate is implied or guaranteed.
Did You Know?
Bariatric surgery costs $8,000–$30,000 uninsured in 2026: lap band $8,000–$15,000, gastric sleeve $9,000–$21,000, gastric bypass $15,000–$25,000, duodenal switch $20,000–$30,000. With qualifying insurance, out-of-pocket typically falls to $3,000–$6,000 regardless of procedure type.
Frequently Asked Questions
Q
How much does bariatric surgery cost in 2026?
Bariatric surgery costs $8,000 to $30,000 all-in for uninsured self-pay patients in 2026, depending on the procedure type, facility, and region. The lap band is the least invasive and least expensive at $8,000–$15,000 all-in. The gastric sleeve (the most commonly performed procedure) runs $9,000–$21,000. The Roux-en-Y gastric bypass ranges from $15,000–$25,000. The duodenal switch (BPD/DS or SADI-S) is the most complex and most expensive at $20,000–$30,000. All figures include surgeon fee, anesthesia, and surgical facility. With qualifying insurance coverage, out-of-pocket typically falls to $3,000–$6,000 regardless of procedure type.
Lap band (adjustable gastric band): $8,000–$15,000 uninsured all-in
Duodenal switch (BPD/DS or SADI-S): $20,000–$30,000 uninsured all-in
With qualifying insurance: out-of-pocket typically $3,000–$6,000
Procedure
Self-Pay Range (2026)
With Qualifying Insurance
Lap band
$8,000–$15,000
$3,000–$6,000 OOP
Gastric sleeve
$9,000–$21,000
$3,000–$6,000 OOP
Gastric bypass
$15,000–$25,000
$3,000–$6,000 OOP
Duodenal switch
$20,000–$30,000
$3,000–$6,000 OOP
Q
Does health insurance cover bariatric surgery?
Most commercial health insurance plans, Medicare, and many state Medicaid programs cover bariatric surgery when specific criteria are met. The standard criteria, based on the 1991 NIH Consensus Statement, require a body mass index (BMI) of 40 or higher, or a BMI of 35 or higher plus at least one serious obesity-related comorbidity such as Type 2 diabetes, hypertension, obstructive sleep apnea, or non-alcoholic steatohepatitis. Coverage also typically requires completion of a medically supervised weight-loss program lasting three to six months and a psychological evaluation. When these criteria are met and pre-authorization is obtained, out-of-pocket cost drops to roughly $3,000–$6,000, consisting of the plan deductible, coinsurance, and any out-of-network charges.
BMI ≥ 40 OR BMI ≥ 35 with qualifying comorbidity required by most payers
Qualifying comorbidities include Type 2 diabetes, hypertension, sleep apnea, NASH
3–6 month medically supervised weight-loss program usually required pre-auth
Psychological evaluation and nutritional counseling required before approval
Medicaid coverage varies by state — some states cover, others exclude bariatric
With qualifying coverage, out-of-pocket is typically $3,000–$6,000
Coverage Status
Typical Out-of-Pocket (2026)
Key Requirement
Uninsured (self-pay)
$8,000–$30,000
None
Commercial insurance (in-network)
$3,000–$6,000
BMI criteria + prior auth
Medicare
$2,500–$5,000
BMI ≥ 35 + comorbidity + MBSAQIP center
Medicaid (covered states)
$0–$2,000
State program eligibility
Q
What is the cheapest type of weight-loss surgery?
The lap band (adjustable gastric band) has the lowest self-pay cost at $8,000–$15,000 all-in, primarily because the procedure is shorter (30–60 minutes), uses general anesthesia for a brief period, and is performed laparoscopically with minimal anatomical alteration. It is also the only FDA-approved bariatric procedure that is fully reversible. The gastric sleeve is the second-lowest at $9,000–$21,000 and is performed far more frequently in the US because its clinical profile and cost-outcome balance make it the default choice for most candidates. The lap band's lower upfront cost should be weighed against its higher long-term adjustment and follow-up frequency — the band requires regular saline adjustments, typically at $150–$400 per visit, that add cost over time.
Lap band: $8,000–$15,000 all-in; lowest upfront self-pay cost
Gastric sleeve: $9,000–$21,000 all-in; most commonly performed in the US
Lap band requires regular port adjustments ($150–$400 per visit, multiple per year)
Gastric sleeve is permanent (non-reversible); lap band is fully reversible
Total cost of care over 5 years may favor sleeve despite higher upfront price
Q
What does a gastric sleeve cost without insurance in 2026?
A gastric sleeve (sleeve gastrectomy) costs $9,000 to $21,000 all-in when self-paying in the US in 2026. The wide range reflects real differences in region, surgeon experience, facility type, and what the quote includes. A hospital-based bariatric program in New York City or Los Angeles with a bundled global fee covering the full pre-op workup and one year of follow-up will land at the higher end. An accredited free-standing bariatric surgery center in a mid-size Midwest or Southeast market offering a cash pricing package for the surgery day only will sit at the lower end. Negotiating a cash or bundled package price — explicitly asking what the self-pay all-inclusive rate is — typically yields 10 to 20 percent below the standard itemized retail quote.
Major metros (NYC, LA, Miami, Houston): 20–35% above national average
Mid-size or Midwest markets: near or below national average
Cash/bundled package: typically 10–20% below itemized retail rate
Ask what the quote includes: workup, anesthesia, facility, and follow-up
Q
How does facility accreditation affect bariatric surgery cost and insurance coverage?
Facility type and accreditation affect both cost and insurance coverage. Hospital-based bariatric programs carry higher overhead than accredited free-standing surgery centers, typically running 8 to 13 percent more for equivalent procedures. The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP), run jointly by the American College of Surgeons and the American Society for Metabolic and Bariatric Surgery, is the leading accreditation standard. Medicare requires treatment at an MBSAQIP-certified center for covered bariatric surgery. Some commercial plans have the same requirement. An accredited surgery center is not automatically less safe than a hospital; MBSAQIP-certified centers must track and report complications and readmission rates at the same rigor as hospital programs.
Hospital-based programs: baseline cost; higher overhead; often 8–13% more than surgery centers
Accredited surgery centers: 8–13% below hospital programs for equivalent procedures
MBSAQIP accreditation required by Medicare for covered bariatric surgery
Some commercial plans also require MBSAQIP-accredited facility for pre-authorization
Verify MBSAQIP status at MBSAQIP.org before scheduling any paid consultation
Q
Are there financing options for bariatric surgery without insurance?
Medical lending programs are widely accepted at bariatric centers and can make a $12,000–$25,000 procedure manageable through monthly payments. The most common options are CareCredit, Alphaeon Credit, and Prosper Healthcare Lending. All three offer promotional no-interest periods of 12 to 24 months for qualified applicants, turning a $15,000 procedure into $625 to $1,250 per month during the promotional window. Standard APR after the promotional period ranges from 17 to 28.99 percent; balances not paid in full before the promotional period ends may incur retroactive interest on the original financed amount. In addition, most self-pay bariatric programs publish bundled global-fee pricing that is 10 to 20 percent below retail, and some offer in-house payment plans.
CareCredit: up to 24 months no-interest for qualified applicants; 17–26.99% after
Alphaeon Credit: medical-focused; up to 24 months no-interest; 17.99–28.99% after
Prosper Healthcare Lending: personal loan structure; 6.99–35.99% fixed APR
Bundled cash pricing from center: typically 10–20% below itemized retail rate
Pay off balance before promotional period ends to avoid retroactive interest
Example Calculations
1Gastric sleeve, uninsured, hospital program
Inputs
ProcedureGastric sleeve (sleeve gastrectomy)
InsuranceUninsured / self-pay
FacilityHospital-based bariatric program
Result
Estimated all-in cost$9,000 – $21,000
Surgeon fee (est.)$4,500–$10,000
Anesthesia + facility$4,500–$11,000
A standard self-pay gastric sleeve at a hospital-based bariatric program covers the full spectrum from community hospitals in lower-cost markets to academic medical centers in major metros. The $9,000–$21,000 all-in range includes surgeon fee, anesthesia, and hospital facility fee.
2Gastric bypass, insured (qualifying coverage), hospital program
Inputs
ProcedureGastric bypass (Roux-en-Y)
InsuranceInsured (with qualifying coverage)
FacilityHospital-based bariatric program
Result
Estimated out-of-pocket cost$3,750 – $6,250
Typical deductible portion$1,500–$3,000
Coinsurance portion$1,250–$3,250
With qualifying insurance, the gastric bypass out-of-pocket is the patient's deductible plus coinsurance on allowed charges, not the full procedure cost. The $3,750–$6,250 range (25% of the $15,000–$25,000 self-pay base) reflects typical deductible + coinsurance totals for in-network procedures.
3Duodenal switch, uninsured, accredited surgery center
The duodenal switch is the most complex bariatric procedure and carries the highest self-pay cost. Choosing an accredited surgery center over a hospital program saves 8–13%, reducing the $20,000–$30,000 hospital baseline to $17,400–$27,600. Ongoing nutritional supplementation and lab monitoring are billed separately.
Formulas Used
Self-pay all-in bariatric surgery cost
Total = Surgeon fee + Anesthesia fee + Facility / hospital fee + Program fees
The out-the-door self-pay cost combines four separately billed components. Programs that bundle all four into a global fee simplify comparison; programs that quote surgeon fee alone will add the other three items at separate billing.
Where:
Surgeon fee= Typically 40–60% of total; scales with procedure complexity and surgeon experience
Anesthesia fee= Typically 10–20% of total; billed by anesthesiologist or CRNA separately
Facility / hospital fee= Typically 20–40% of total; hospital programs charge more than surgery centers
Program fees= Pre-op workup, nutritional counseling, psychology eval, and follow-up visits; sometimes bundled, sometimes billed separately
When insurance covers bariatric surgery, the patient pays the deductible first, then a coinsurance percentage of remaining allowed charges, up to the plan’s out-of-pocket maximum. All dollar figures are based on the insurer’s allowed amount, not the provider’s billed amount.
Where:
Deductible= Annual amount the patient pays before insurance begins; typically $1,500–$3,500 for individual plans in 2026
Coinsurance %= Patient’s share after the deductible; commonly 20–30% for in-network services
Allowed charges= The insurer’s contracted rate with the provider, often 40–60% below the billed charge
Accredited free-standing bariatric surgery centers operate at lower overhead than hospital-based programs, passing 8 to 13 percent in savings to self-pay patients. The adjustment applies to the all-in bundled price for primary procedures; complex revisions are less reliably available at surgery centers.
Where:
Hospital-program cost= All-in self-pay baseline at a hospital-based bariatric program
0.87–0.92 factor= Surgery-center cost multiplier; 0.87 reflects the high end of savings (13%), 0.92 reflects modest savings (8%)
Bariatric Surgery Costs in 2026: What You Actually Pay by Procedure, Insurance, and Facility
1
What Bariatric Surgery Costs in 2026
The figures this calculator produces are informational estimates based on 2026 US market data. As noted in the disclaimer above, actual costs vary significantly by provider, geography, individual medical factors, and complications. With that framing established, here is what bariatric surgery costs in the United States in 2026. The four main procedures span a wide price range at uninsured self-pay rates: the adjustable gastric band (lap band) is the least invasive and the least expensive, running $8,000 to $15,000 all-in including surgeon fee, anesthesia, and facility. The gastric sleeve (sleeve gastrectomy) is the most commonly performed bariatric procedure in the US and costs $9,000 to $21,000 all-in. The Roux-en-Y gastric bypass runs $15,000 to $25,000. The biliopancreatic diversion with duodenal switch (BPD/DS) or the newer single-anastomosis duodenal switch (SADI-S) is the most technically complex option and the most expensive at $20,000 to $30,000. These are all-in, uninsured self-pay figures that include the operating surgeon’s fee, anesthesia, and the surgical facility or hospital.
The spread within each procedure’s range is driven by several factors: the region of the country, the surgeon’s experience and credentials, whether the setting is an independent surgery center or a hospital-based bariatric program, whether the program quotes a bundled global fee or itemizes each component, and what pre-surgical evaluations are included in the base price. Programs that include the pre-op workup — nutritional counseling, psychological evaluation, cardiology clearance, sleep study, and laboratory panel — in the all-in price will quote higher than programs that bill each step separately. When comparing quotes across providers, clarify whether the stated price includes the complete workup and at least one year of follow-up visits, or only the day of surgery. The difference between a bundled program and a surgery-day-only quote can be $3,000 to $8,000 for the same procedure.
For uninsured self-pay patients, cash pricing is widely negotiated. Major bariatric centers — including hospital-affiliated programs competing for the growing self-pay market — frequently offer cash-pricing packages with set global fees that reduce the total from the retail all-in estimate by 10 to 20 percent when paid upfront. These packages typically bundle surgeon fee, anesthesia, hospital or facility fee, pre-op lab work, and a defined period of post-op follow-up, making comparison meaningful. The calculator above applies procedure type, insurance status, and facility type against 2026 self-pay rates to give you an anchor price for your consultations. Regional variation is real but not captured as a separate field: major metro areas — New York City, Los Angeles, Houston, Miami, Chicago — run 20 to 35 percent above the national average; rural and Midwest centers often run 10 to 20 percent below it.
Bariatric surgery all-in self-pay cost by procedure type, US, 2026.
Procedure
Self-Pay Range (2026)
Typical Complexity
Lap band
$8,000–$15,000
Lowest (adjustable, reversible)
Gastric sleeve
$9,000–$21,000
Moderate (restrictive)
Gastric bypass
$15,000–$25,000
Moderate–high (restrictive + malabsorptive)
Duodenal switch
$20,000–$30,000
Highest (complex rerouting)
Always ask for an itemized vs. global-fee breakdown before comparing quotes. A $14,000 all-inclusive bundled quote covering nutritional counseling, psychological evaluation, and one year of follow-up differs substantially from a $12,000 surgery-day-only price. You may be comparing different products.
2
Insurance Coverage: Meeting Criteria and Reducing Out-of-Pocket Cost
Insurance coverage is the single largest cost driver for bariatric surgery. When a procedure is approved and covered, the patient’s out-of-pocket cost typically falls from $9,000–$25,000 to $3,000–$6,000, depending on the deductible, coinsurance rate, and in-network status of every participating provider. Most commercial insurance plans and Medicare follow the 1991 NIH Consensus Statement criteria: a body mass index (BMI) of 40 or higher, or a BMI of 35 or higher with at least one serious obesity-related comorbidity such as Type 2 diabetes, hypertension, obstructive sleep apnea, or non-alcoholic steatohepatitis. Medicaid coverage varies by state — some state Medicaid programs fully cover bariatric procedures for qualifying patients; others exclude them entirely.
Meeting the BMI criterion alone does not guarantee approval. Nearly all payers require a medically supervised weight-loss program lasting three to six months before approving surgery, though some employer self-funded plans or ACA-compliant plans waive this requirement. A psychological evaluation, nutritional counseling, and clearance from an internist or cardiologist are standard pre-authorization requirements. The pre-authorization process takes weeks to months and requires your bariatric surgeon’s office to submit documentation of your BMI history, comorbidities, prior weight-loss attempts, and planned procedure. Denial on the first submission is common; understanding the appeals process before you start is worth the time, and choosing a bariatric program that has dedicated prior-auth and appeals staff makes a meaningful difference in approval rates.
When insurance is involved, out-of-pocket cost is the product of your deductible, coinsurance rate, and the plan’s allowed charge — not the provider’s full billed amount. If your deductible is $2,500, your coinsurance is 20% after the deductible, and the allowed charge for a gastric sleeve is $12,000, your out-of-pocket before the plan’s ceiling is $2,500 + 20% × ($12,000 − $2,500) = $2,500 + $1,900 = $4,400. The out-of-pocket maximum — typically $5,000–$10,000 for individual plans in 2026 — caps total exposure. Verify the in-network status of every provider separately: the surgeon, the anesthesiologist, and the hospital or facility each file their own claim. An out-of-network anesthesiologist can produce a $3,000 surprise balance bill even when the facility is in-network.
Bariatric surgery out-of-pocket cost by insurance status, US, 2026.
Coverage Status
Typical Out-of-Pocket (2026)
Key Requirement
Uninsured (self-pay)
$8,000–$30,000
None
Commercial insurance, in-network
$3,000–$6,000
BMI criteria + prior auth + supervised program
Medicare
$2,500–$5,000
BMI ≥ 35 + comorbidity + MBSAQIP center
Medicaid (covered states)
$0–$2,000
State program eligibility
Confirm in-network status for the surgeon, anesthesiologist, and facility separately before scheduling. Each files its own claim. A single out-of-network provider in an otherwise covered procedure can generate thousands in surprise balance billing. One call to your insurer’s provider services line resolves this before it becomes a bill.
3
Hospital-Based Programs vs. Accredited Bariatric Surgery Centers
The two main settings for bariatric surgery in the US are hospital-based bariatric programs and accredited bariatric centers of excellence, which are often free-standing and outpatient-oriented. The Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP), run jointly by the American College of Surgeons and the American Society for Metabolic and Bariatric Surgery, is the leading accreditation body. MBSAQIP-accredited facilities must meet standards for surgical volume, outcomes tracking, multidisciplinary team composition (surgery, nutrition, psychology, internal medicine), and long-term follow-up infrastructure. Medicare requires treatment at an MBSAQIP-certified center or equivalent for bariatric surgery to be reimbursable; some commercial plans carry the same requirement.
From a cost perspective, hospital-based programs carry higher overhead: inpatient bed capacity, round-the-clock nursing, emergency infrastructure, and a larger administrative footprint mean global fee quotes at hospital programs typically run 8 to 13 percent above equivalent procedures at free-standing accredited surgery centers. For the most complex procedures — duodenal switch, revisions of prior bariatric surgeries, patients with significant cardiac or pulmonary comorbidities — the hospital setting’s backup resources and on-site intensive care carry genuine clinical value. For a straightforward primary gastric sleeve in a healthy, lower-risk candidate, the cost differential may not be clinically justified.
When evaluating a facility, accreditation status matters more than ownership type. An MBSAQIP-accredited independent surgery center is held to the same outcomes reporting standards as an MBSAQIP-accredited hospital program; a non-accredited hospital program is not required to track or report complication rates at the same rigor. Ask whether the facility publicly reports its anastomotic leak rate, 30-day readmission rate, and serious adverse event rate. MBSAQIP facilities are required to do this; non-accredited facilities are not. Choosing an MBSAQIP-accredited center regardless of type — hospital or free-standing — gives you a baseline safety and accountability standard that unaccredited facilities cannot guarantee.
Bariatric surgery facility types, cost comparison, and clinical context, 2026.
Check MBSAQIP.org to verify whether a center is currently accredited. Medicare requires an MBSAQIP-certified facility for covered bariatric surgery; your commercial plan may as well. Verification takes two minutes and removes the accreditation question before you invest time in a consultation.
4
Financing Bariatric Surgery: Self-Pay Rates, Medical Lending, and International Options
For the substantial portion of bariatric surgery candidates who either lack insurance coverage for the procedure or face high out-of-pocket costs despite coverage, financing is often the pathway to surgery. Medical lending programs are widely accepted at bariatric centers: CareCredit, Alphaeon Credit, and Prosper Healthcare Lending are among the most common. Promotional 12- to 24-month no-interest plans are available for qualified borrowers, making a $15,000 gastric bypass a $625 to $1,250 monthly payment during the promotional period. Standard interest rates after the promotional period range from 17 to 28.99 percent APR, which can sharply increase the total cost if the balance is not paid off before the promotional term ends. Retroactive interest — charged on the original financed amount from the date of the first charge if the balance is not paid in full — is a common and costly trap with deferred-interest medical financing.
Most bariatric programs that actively pursue self-pay volume publish all-inclusive pricing packages that bundle the surgical fee, anesthesia, hospital or facility fee, pre-op workup, and typically one year of post-op follow-up. These packages bypass the retail itemized billing process and typically land 10 to 20 percent below the standard self-pay billed rate. Negotiating the cash price before committing to a payment plan reduces the financed amount and total interest cost. Larger bariatric centers in high-volume markets — Houston, Dallas, Phoenix, Chicago, Tampa — compete aggressively on cash pricing and publish global fees publicly; those published prices are useful benchmarks when negotiating with other programs.
International medical tourism for bariatric surgery has grown substantially, with Mexico (Tijuana, Monterrey, Guadalajara) being the most common destination for US self-pay patients. All-in costs at Joint Commission International (JCI) accredited Mexican programs average $4,500 to $7,000 for a gastric sleeve versus $12,000 to $18,000 at equivalent US programs — a savings of 50 to 65 percent. The trade-offs are real and should be evaluated honestly: follow-up care logistics after returning to the US, language considerations, variable enforcement of accreditation standards, and the complexity of managing complications domestically when the operating team is in another country require careful assessment. Travel and accommodation costs add $1,000 to $3,000 per round trip. For patients with straightforward health profiles seeking a primary procedure, the international option merits investigation; for revisions, patients with complex comorbidities, or anyone who needs robust post-operative access, domestic surgery is harder to replicate abroad.
If you finance through a deferred-interest plan (CareCredit / Alphaeon), calculate the total repayment cost and make sure the balance will be fully paid before the promotional period ends. A $12,000 procedure at 26.99% APR over 36 months costs approximately $16,200 total. Retroactive interest on the original balance applies if a single dollar remains at the promotional period’s end.
CareCredit: up to 24 months no-interest for qualified applicants; 17–26.99% APR after promotional period
Alphaeon Credit: medical-focused; up to 24 months no-interest; 17.99–28.99% APR after
Prosper Healthcare Lending: personal loan structure; 6.99–35.99% fixed APR; no deferred interest
Bundled cash pricing at center: typically 10–20% below itemized self-pay retail
International (Tijuana/Monterrey, JCI accredited): $4,500–$7,000 vs. $12,000–$18,000 US self-pay
5
When to Consult a Licensed Provider
The estimates this calculator produces are informational planning figures — not medical quotes, not insurance pre-authorization determinations, and not clinical guidance. Bariatric surgery involves general anesthesia, permanent or semi-permanent alteration of gastrointestinal anatomy, and substantial lifelong dietary and lifestyle changes. Procedural risks include anastomotic leak, infection, bleeding, nutritional deficiency, dumping syndrome, band slippage or erosion (for lap band), and in rare cases serious adverse events. These are surgical risks that no cost calculator can assess, quantify, or mitigate. Determining whether you are an appropriate candidate, which procedure fits your anatomy and health history, and what your individual risk profile looks like requires a consultation with a board-certified bariatric surgeon who can review your full medical record.
When choosing a provider for an initial consultation, look for surgeons with board certification in general surgery (American Board of Surgery) and fellowship training or a subspecialty focus in bariatric and metabolic surgery. Confirm the facility holds current MBSAQIP accreditation (verify at MBSAQIP.org, not just the program’s website). Ask what the program includes: nutrition counseling, psychological evaluation, internal medicine or cardiology clearance, anesthesia pre-assessment, and post-op support for at least one year should all be in scope. Review the program’s published complication and readmission rates. If insurance is involved, confirm the program has experience working with your specific plan and has dedicated staff for pre-authorization submissions and appeals.
If cost is a deciding factor, use financing estimates and bundled cash-price packages as planning inputs rather than as a reason to compromise on surgeon credentials or facility accreditation. A provider comparison that prioritizes price over quality of care and follow-up infrastructure can increase the cost of complications and revisions beyond the initial savings. The right clinical match — an experienced surgeon at an accredited facility with robust pre- and post-operative support — is the variable that most reliably determines long-term outcomes and cost of care over the full treatment timeline.
This calculator provides cost estimates for informational purposes only — it is not medical advice. Consult a licensed, board-certified surgeon before making any surgical decision. Your health history, anatomy, and specific goals require a professional clinical assessment this tool cannot replace.
This calculator is provided for informational and educational purposes only. Results are estimates and should not be considered professional financial, medical, legal, or other advice. Always consult a qualified professional before making important decisions. UseCalcPro is not responsible for any actions taken based on calculator results.