Skip to main content
Calcimator

Campfire BTU Calculator

Calculate how much firewood you need for your desired heat output and burn time. Compares softwood, hardwood, and kiln-dried options.

Inputs

BTU/hr
hrs
°F

Results

Wood Needed

294.1 lbs

Bundles Needed

15

Total Useful BTU Output300,000 BTU
Fire Efficiency12%
Estimated Wood Cost$105
How to Use This Calculator
  1. Enter your planned burn duration (hours).
  2. Select wood type (hardwood like oak: ~8,600 BTU/lb, softwood: ~6,400 BTU/lb).
  3. Enter ambient temperature to estimate heat output needed to raise camp temperature.
  4. Review total BTU output, wood needed (lbs), and estimated bundles required.
  5. Use wood needed to pack appropriately for remote sites without available firewood.
Ad Placeholder

Related Calculators

Ad Placeholder