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
- Enter your planned burn duration (hours).
- Select wood type (hardwood like oak: ~8,600 BTU/lb, softwood: ~6,400 BTU/lb).
- Enter ambient temperature to estimate heat output needed to raise camp temperature.
- Review total BTU output, wood needed (lbs), and estimated bundles required.
- Use wood needed to pack appropriately for remote sites without available firewood.
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