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Freeze Drying Calculator — Yield, Time & Cost Estimator

Estimate dried weight, water removed, batch time, and electricity cost for any food in your freeze dryer

Dried Weight

0.45 lbs

Water Removed

4.55 lbs

Batch Time

24 hrs

US average: $0.12/kWh

Freeze Drying: Strawberries

0.45 lbs
dried from 5 lbs fresh (91.0% reduction)
Water Removed
4.55 lbs
91% moisture content
Batch Time
24 hrs
1 batch
Electricity Cost
$2.85
$6.33/lb dried
Shelf Life
25+ years
properly sealed

Moisture Content Comparison

Strawberries91%
Chicken Breast65%
Shredded Cheese37%
Sweet Corn76%
Cooked Rice68%

Freeze Drying Reference

FoodMoistureBase TimeYield
Strawberries91%24 hrs9%
Bananas75%20 hrs25%
Apples86%22 hrs14%
Blueberries84%26 hrs16%
Peaches89%24 hrs11%
Chicken Breast65%28 hrs35%
Ground Beef60%26 hrs40%
Scrambled Eggs73%20 hrs27%
Shredded Cheese37%16 hrs63%
Yogurt85%28 hrs15%
Sweet Corn76%22 hrs24%
Green Peas78%20 hrs22%
Broccoli89%22 hrs11%
Potatoes (diced)79%24 hrs21%
Cooked Rice68%18 hrs32%
Cooked Pasta62%16 hrs38%

Freeze Drying Tips

Pre-freeze food: Freeze food on trays for 2–4 hours before loading into the freeze dryer for faster cycle times.
Uniform pieces: Cut all pieces to the same size and thickness so they finish drying at the same time.
Snap test: Properly freeze-dried food should snap cleanly when bent, not bend or feel leathery.
Mylar + O₂ absorbers: Store in Mylar bags with oxygen absorbers for the full 25+ year shelf life. Mason jars work for short-term storage.

What You'll Need

Mylar Bags for Food Storage 100pk with O2 Absorbers

Mylar Bags for Food Storage 100pk with O2 Absorbers

$18-$254.5
View on Amazon
FoodSaver V2244 Vacuum Sealer Machine

FoodSaver V2244 Vacuum Sealer Machine

$60-$804.5
View on Amazon
Etekcity Digital Kitchen Scale Stainless Steel

Etekcity Digital Kitchen Scale Stainless Steel

$10-$154.6
View on Amazon
OXO Good Grips Measuring Cup Set 7pc

OXO Good Grips Measuring Cup Set 7pc

$18-$254.8
View on Amazon
Cuisipro Stainless Steel Odd-Size Measuring Spoons 5pc

Cuisipro Stainless Steel Odd-Size Measuring Spoons 5pc

$15-$224.6
View on Amazon
Mylar Bags for Food Storage 100pk with O2 Absorbers

Mylar Bags for Food Storage 100pk with O2 Absorbers

$18-$254.5
View on Amazon
FoodSaver V2244 Vacuum Sealer Machine

FoodSaver V2244 Vacuum Sealer Machine

$60-$804.5
View on Amazon
Etekcity Digital Kitchen Scale Stainless Steel

Etekcity Digital Kitchen Scale Stainless Steel

$10-$154.6
View on Amazon
OXO Good Grips Measuring Cup Set 7pc

OXO Good Grips Measuring Cup Set 7pc

$18-$254.8
View on Amazon
Cuisipro Stainless Steel Odd-Size Measuring Spoons 5pc

Cuisipro Stainless Steel Odd-Size Measuring Spoons 5pc

$15-$224.6
View on Amazon

As an Amazon Associate, we earn from qualifying purchases.

Example Calculations

15 lbs Strawberries (Small Machine)

Inputs

Food TypeStrawberries
Fresh Weight5 lbs
Machine SizeSmall (Harvest Right)
Slice ThicknessStandard (3/8 in)
Electricity Rate$0.12/kWh

Result

Dried Weight0.45 lbs
Water Removed4.55 lbs (91%)
Batch Time24 hrs
Electricity Cost$2.85

Five pounds of fresh strawberries (91% moisture) yield only 0.45 lbs dried. One batch in a small Harvest Right at standard thickness takes 24 hours and costs $2.85 in electricity.

210 lbs Chicken Breast (Medium Machine)

Inputs

Food TypeChicken Breast
Fresh Weight10 lbs
Machine SizeMedium
Slice ThicknessStandard (3/8 in)
Electricity Rate$0.12/kWh

Result

Dried Weight3.50 lbs
Water Removed6.50 lbs (65%)
Batch Time28 hrs
Electricity Cost$4.37

Ten pounds of chicken breast (65% moisture) produces 3.5 lbs of freeze-dried chicken. The medium machine handles it in one batch at 28 hours, costing $4.37 in electricity.

320 lbs Mixed Fruit (Large Machine)

Inputs

Food TypeApples
Fresh Weight20 lbs
Machine SizeLarge
Slice ThicknessThin (1/4 in)
Electricity Rate$0.12/kWh

Result

Dried Weight2.80 lbs
Water Removed17.20 lbs (86%)
Batch Time17.6 hrs
Electricity Cost$3.59

Twenty pounds of apples (86% moisture) sliced thin yield 2.8 lbs dried. The large machine handles it in one batch. Thin slices reduce cycle time to 17.6 hours, saving about 4 hours vs standard thickness.

Frequently Asked Questions

Q

How much weight does food lose when freeze dried?

Most foods lose 60–90% of their weight during freeze drying because the process removes nearly all moisture. Strawberries lose 91% (9 lbs of water per 10 lbs fresh), while cheese loses only 37%. The dried weight equals fresh weight multiplied by (1 minus moisture percentage).

  • Strawberries: 91% moisture — 10 lbs fresh = 0.9 lbs dried
  • Chicken breast: 65% moisture — 10 lbs fresh = 3.5 lbs dried
  • Bananas: 75% moisture — 10 lbs fresh = 2.5 lbs dried
  • Shredded cheese: 37% moisture — 10 lbs fresh = 6.3 lbs dried
  • Cooked rice: 68% moisture — 10 lbs fresh = 3.2 lbs dried
FoodMoisture %Dried from 10 lbsWeight Reduction
Strawberries91%0.9 lbs91%
Chicken Breast65%3.5 lbs65%
Bananas75%2.5 lbs75%
Cheese37%6.3 lbs37%
Q

How long does a freeze drying cycle take?

A typical freeze drying cycle takes 16–28 hours depending on the food type and slice thickness. High-moisture foods like yogurt and broccoli take 22–28 hours, while lower-moisture items like cheese and cooked pasta finish in 16–20 hours. Thicker slices increase time by up to 30%.

  • Fruits (strawberries, apples): 22–26 hours base time
  • Meats (chicken, beef): 26–28 hours due to density
  • Vegetables (corn, peas): 20–24 hours average
  • Dairy (yogurt, cheese): 16–28 hours depending on type
  • Grains (rice, pasta): 16–18 hours, fastest category overall
Food CategoryBase TimeThin SlicesThick Slices
Fruits22–26 hrs18–21 hrs29–34 hrs
Meats26–28 hrs21–22 hrs34–36 hrs
Vegetables20–24 hrs16–19 hrs26–31 hrs
Grains16–18 hrs13–14 hrs21–23 hrs
Q

How much does it cost to run a freeze dryer?

A small Harvest Right freeze dryer uses about 0.99 kWh and costs $2.85–$3.80 per batch at $0.12/kWh for a 24-hour cycle. Medium units cost $3.74–$4.99 per batch, and large units cost $4.90–$6.53. Annual cost for weekly use ranges from $148–$339 depending on machine size.

  • Small (Harvest Right): 0.99 kWh avg, $2.85 per 24-hr batch at $0.12/kWh
  • Medium: 1.3 kWh avg, $3.74 per 24-hr batch at $0.12/kWh
  • Large: 1.7 kWh avg, $4.90 per 24-hr batch at $0.12/kWh
  • Formula: power (kWh) × batch hours × electricity rate ($/kWh)
  • Running 1 batch per week: $148–$255 per year for electricity
Machine SizePower (kWh)Cost/24-hr BatchAnnual (weekly use)
Small0.99$2.85$148
Medium1.30$3.74$195
Large1.70$4.90$255
Q

What foods freeze dry best and worst?

Fruits, vegetables, and cooked grains freeze dry excellently and rehydrate well. Meats and dairy also work but require longer cycles. Foods high in fat (butter, peanut butter) or sugar (jam, honey) do not freeze dry well because fat does not sublimate and sugar prevents proper crystallization.

  • Best: strawberries, apples, corn, peas, cooked rice, scrambled eggs
  • Good: chicken breast, ground beef, yogurt, potatoes, broccoli
  • Moderate: cheese (lower moisture, shorter cycle but works fine)
  • Poor: butter, peanut butter, chocolate, pure oils (high fat content)
  • Avoid: honey, jam, syrup (high sugar prevents proper freeze drying)
RatingFoodsReasonShelf Life
ExcellentFruits, vegetablesHigh moisture, rehydrate well25+ years
GoodMeats, eggsDense but effective25+ years
ModerateCheese, yogurtLower moisture or thick25+ years
PoorFats, sugarsWon’t sublimate properlyN/A
Q

How long does freeze-dried food last?

Properly sealed freeze-dried food lasts 25–30 years when stored in Mylar bags with oxygen absorbers in a cool, dark location. Unsealed freeze-dried food absorbs moisture within days and should be consumed within 1–2 weeks. Temperature and light are the main enemies of long-term storage.

  • Mylar bags + O₂ absorbers: 25–30 years at room temperature
  • Vacuum-sealed mason jars: 5–10 years in a dark pantry
  • Mason jars (no vacuum): 1–2 years if kept dry and dark
  • Opened container: consume within 1–2 weeks before moisture reabsorption
  • Ideal storage: below 75°F, away from light, humidity under 10%
Storage MethodShelf LifeCostBest For
Mylar + O₂ absorbers25–30 years$0.50–$1.00/bagLong-term emergency prep
Vacuum-sealed jars5–10 years$2–$5/jarPantry rotation
Regular mason jars1–2 years$1–$3/jarShort-term snacking
Open/unsealed1–2 weeksFreeImmediate consumption

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Last Updated: Mar 16, 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.

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