UseCalcPro
Home
MathFinanceHealthConstructionAutoPetsGardenCraftsFood & BrewingToolsSportsMarineEducationTravel
Blog
  1. Home
  2. Finance

1% Rule Calculator

Screen rental properties with the 1%, 2%, and 50% rules

Rent-to-Price Ratio

0.88%

1% Rule

FAIL

Gross Yield

10.6%

50% Rule CF

-$100

$
$
$

Taxes, insurance, repairs, management, vacancy reserve

$

Enter 0 for all-cash purchase

1% Rule: FAIL

Monthly rent should be >= 1% of purchase price ($2,500)

Your Rent

$2,200

Target

$2,500

Ratio

0.88%

2% Rule: FAIL

Monthly rent should be >= 2% of purchase price ($5,000)

Your Rent

$2,200

Target

$5,000

Ratio

0.88%

50% Rule

Operating expenses are typically ~50% of gross rent

Estimated Expenses

$1,100/mo

Estimated NOI

$1,100/mo

Estimated monthly cash flow: -$100

Your actual expense ratio: 25.0% of rent (below 50% estimate)

Quick Reference

Gross Yield10.56%
Annual Rent$26,400
Min Rent for 1% Rule$2,500/mo
Max Price for 1% Rule$220,000

Frequently Asked Questions

Q

What is the 1% rule in real estate?

The 1% rule states that monthly rent should be at least 1% of the purchase price. For a $250,000 property, monthly rent should be at least $2,500. Properties meeting this threshold are more likely to cash flow positively after expenses and mortgage.

  • Formula: Monthly Rent >= Purchase Price x 0.01
  • $200,000 property should rent for $2,000+/month
  • $300,000 property should rent for $3,000+/month
  • Rule is a quick screening tool, not a complete analysis
  • Properties meeting 1% rule tend to be in lower-cost markets
Purchase Price1% Target Rent2% Target Rent
$150,000$1,500/mo$3,000/mo
$200,000$2,000/mo$4,000/mo
$250,000$2,500/mo$5,000/mo
$350,000$3,500/mo$7,000/mo
Q

What is the 50% rule?

The 50% rule estimates that operating expenses will consume about 50% of gross rent. On $2,000/month rent, expect $1,000 in expenses (taxes, insurance, maintenance, vacancy, management). The remaining $1,000 covers mortgage and cash flow.

  • Operating expenses average 40-60% of gross rent
  • Includes taxes, insurance, maintenance, management, vacancy
  • Does NOT include mortgage/debt service
  • Cash flow estimate = Rent x 50% - Mortgage Payment
  • Example: $2,200 rent x 50% = $1,100 - $1,200 mortgage = -$100/mo
Monthly Rent50% Rule ExpensesAvailable for Mortgage + Profit
$1,500$750$750
$2,000$1,000$1,000
$2,500$1,250$1,250
$3,000$1,500$1,500
Q

What is the 2% rule?

The 2% rule states monthly rent should be at least 2% of purchase price. A $200,000 property should rent for $4,000+/month. Very few properties meet this threshold in most US markets. It indicates exceptional cash flow potential but often signals higher-risk properties.

  • Much stricter than the 1% rule
  • Rarely achievable in most US markets since 2015
  • Properties meeting 2% rule are usually in low-income areas
  • Higher cash flow but often higher vacancy and maintenance
  • Best used as a stretch goal, not a minimum requirement
RuleThresholdDifficulty to FindCash Flow Potential
1% RuleRent >= 1% of priceModerateDecent
1.5% RuleRent >= 1.5% of priceHardGood
2% RuleRent >= 2% of priceVery hardExcellent
Q

Can I find 1% rule properties in expensive markets?

In expensive markets (SF, NYC, LA), the 1% rule is nearly impossible for single-family homes. A $700,000 home would need $7,000/month rent. Investors in these markets focus on appreciation rather than cash flow, or look at multi-unit properties.

  • Coastal cities: typical ratio is 0.4-0.6% (fails 1% rule)
  • Midwest cities (Cleveland, Indianapolis): 0.8-1.2% achievable
  • Southern cities (Memphis, Birmingham): 1.0-1.5% possible
  • Multi-family properties often come closer to 1% rule
  • Consider total return (appreciation + cash flow), not just 1% rule
Q

Should I only buy properties that pass the 1% rule?

No. The 1% rule is a quick screening tool, not a deal-breaker. Many profitable investments fail the 1% rule but succeed through appreciation, tax benefits, or value-add strategies. Use it to quickly filter listings, then do full analysis on promising ones.

  • The 1% rule ignores appreciation potential entirely
  • It ignores tax benefits (depreciation, mortgage interest)
  • Many successful investors buy at 0.7-0.8% in growing markets
  • Value-add strategy: buy below 1%, renovate to reach 1%
  • Always do full cash flow analysis, not just rule-of-thumb checks

Example Calculations

1$250,000 Property with $2,200/month Rent

Inputs

Purchase Price$250,000
Monthly Rent$2,200
Monthly Expenses$550
Monthly Mortgage$1,200

Result

Rent-to-Price Ratio0.88%
1% RuleFAIL (need $2,500)
50% Rule Cash Flow-$100/mo
Gross Yield10.56%

Rent-to-price = $2,200 / $250,000 = 0.88%. The 1% target is $250,000 x 0.01 = $2,500, so this fails by $300/month. 50% rule: $2,200 x 0.50 = $1,100 estimated NOI, minus $1,200 mortgage = -$100 cash flow. Gross yield = ($2,200 x 12) / $250,000 = 10.56%.

2$180,000 Property with $2,000/month Rent

Inputs

Purchase Price$180,000
Monthly Rent$2,000
Monthly Expenses$450
Monthly Mortgage$900

Result

Rent-to-Price Ratio1.11%
1% RulePASS
50% Rule Cash Flow$100/mo
Gross Yield13.33%

Rent-to-price = $2,000 / $180,000 = 1.11%. The 1% target is $180,000 x 0.01 = $1,800, and $2,000 > $1,800 so it passes. 50% rule: $2,000 x 0.50 = $1,000 estimated NOI, minus $900 mortgage = $100/month positive cash flow. Gross yield = ($2,000 x 12) / $180,000 = 13.33%.

3$400,000 Property with $2,800/month Rent

Inputs

Purchase Price$400,000
Monthly Rent$2,800
Monthly Expenses$700
Monthly Mortgage$1,800

Result

Rent-to-Price Ratio0.70%
1% RuleFAIL (need $4,000)
50% Rule Cash Flow-$400/mo
Gross Yield8.40%

Rent-to-price = $2,800 / $400,000 = 0.70%. The 1% target is $4,000/month, well above the $2,800 rent. 50% rule: $2,800 x 0.50 = $1,400, minus $1,800 mortgage = -$400/month negative cash flow. This property is better suited for an appreciation strategy.

Formulas Used

1% Rule

Monthly Rent >= Purchase Price x 0.01

A quick screening tool: monthly rent should be at least 1% of the property purchase price for likely positive cash flow.

Where:

Monthly Rent= Expected monthly rental income
Purchase Price= Property acquisition cost

50% Rule (Expense Estimate)

Estimated Cash Flow = (Monthly Rent x 0.50) - Monthly Mortgage

Estimates operating expenses at 50% of gross rent, leaving the remainder for mortgage payment and profit.

Where:

Monthly Rent= Gross monthly rental income
50%= Estimated operating expense ratio
Monthly Mortgage= Monthly mortgage payment (P&I)

Rent-to-Price Ratio

Ratio = (Monthly Rent / Purchase Price) x 100

The actual percentage of property price represented by monthly rent. Compare to 1% and 2% thresholds.

Where:

Ratio= Rent-to-price ratio as a percentage
Monthly Rent= Expected monthly rental income
Purchase Price= Property purchase price

Understanding the 1% Rule and Other Rental Screening Rules

The 1% rule, 2% rule, and 50% rule are quick screening tools that real estate investors use to rapidly evaluate potential rental properties before committing to detailed analysis.

Our calculator applies all three rules simultaneously and shows whether a property passes each threshold. It also calculates the minimum rent needed and maximum price allowed to meet the 1% rule.

Remember these are rules of thumb, not guarantees. A property passing all three rules could still be a bad deal due to location, condition, or tenant issues. Always follow up with a complete cash flow analysis.

Related Calculators

Cap Rate Calculator

Calculate property cap rate from NOI

Rental Yield Calculator

Calculate gross and net rental yield

House Flip Calculator

Calculate fix-and-flip profit and ROI

Rental Property ROI Calculator

Calculate total return on your rental property including cashflow, appreciation, loan paydown, and tax benefits. See annualized ROI and equity growth over time.

Cash-on-Cash Return Calculator

Calculate your cash-on-cash return from rental property investment. Compare leveraged vs all-cash purchase scenarios to find the best use of your capital.

Investment Property Tax Calculator

Calculate investment property tax benefits including 27.5-year depreciation and mortgage interest deductions. Find your after-tax rental income and returns.

Related Resources

50/30/20 Budget Rule Calculator: How to Budget Your Paycheck

Read our guide

How to Calculate Tips: Complete Guide for US Restaurants

Read our guide

Debt Consolidation Calculator Guide: How to Combine Debts and Save

Read our guide

Cap Rate Calculator

Calculate capitalization rate for investment properties

Cash-on-Cash Return Calculator

Calculate leveraged rental return

Rental Yield Calculator

Compare gross and net rental yield

Mortgage Calculator

Calculate monthly mortgage payments

Explore More Finance Calculators

Real estate investment, mortgage, and financial planning tools

View All Finance Calculators

Last Updated: Mar 25, 2026

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.

UseCalcPro
FinanceHealthMath

© 2026 UseCalcPro