Dehydrated Meal Calculator
Calculate water and fuel needed to rehydrate meals for your camping trip.
Total meals for the trip
Dry weight per meal pouch
Affects fuel consumption rate
How We Calculate This
This calculator estimates total water and fuel needs for rehydrating camping meals.
Formulas
Water per meal = Dry weight x Water ratio (default 1.8ml/g)
Fuel per meal = Fuel burn rate x Boil time
Fuel burn rates
- Gas canister: ~8 g/min
- Meths/alcohol: ~12 g/min
- Esbit/solid fuel: ~14 g/tablet
- Jetboil/integrated: ~6 g/min
Frequently Asked Questions
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Last updated: March 2026
All calculations are estimates. Always verify conditions and use proper safety equipment outdoors.