Calculate how many cords of firewood you need for winter. Compare 10 wood types by BTU output. Get cost estimates vs propane, gas, and electric heating.
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A well-insulated 2,000 sqft home using wood as primary heat needs 3-5 cords for a 5-month winter. Supplemental heating needs 1-2 cords.
A cord is a stack 4×4×8 feet, totaling 128 cubic feet. A face cord is 4×8 but only 16 inches deep — about 1/3 of a full cord.
Dense hardwoods burn longest: oak (24+ million BTU/cord), hickory (28 million), and maple (24 million). Softwoods like pine burn fast but produce more creosote.
The Firewood Calculator is a free online tool that lets you calculate cords of firewood needed for winter heating with btu estimates and cost comparison. It is part of NexTool's collection of free tools designed to help you work faster and more efficiently.
Using the Firewood Calculator is simple: visit the tool page, enter your data or input into the provided fields, and get instant results. No downloads, installations, or sign-ups are required. The tool runs directly in your web browser for maximum convenience.
Yes, the Firewood Calculator is 100% free to use with no limitations. There is no registration required, no daily usage caps, and no hidden fees. You can use it as many times as you need.
The Firewood Calculator uses industry-standard formulas and algorithms to deliver reliable results. While the tool is designed for accuracy, results should be used as estimates and guidance. For critical decisions, always consult a qualified professional.
Yes, the Firewood Calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers. Simply open NexTool in your mobile browser and navigate to the tool — no app download required.
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Calculate how many cords of firewood you need for winter. Compare 10 wood types by BTU output. Get cost estimates vs propane, gas, and electric heating.
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| Fuel Type | Est. Cost | vs Firewood |
|---|---|---|
| Firewood (Oak (White)) | $900 | — |
| Propane ($2.50/gal) | $2,385 | +165% |
| Natural Gas ($1.20/therm) | $1,048 | +16% |
| Electric ($0.13/kWh) | $3 | -100% |
| Wood Type | BTU/Cord (M) | Cost/Cord | Splitting | Notes |
|---|---|---|---|---|
| Oak (White)Selected | 29.1 | $300 | Moderate | Excellent heat, burns slow and steady |
| Oak (Red) | 27.3 | $280 | Moderate | Great all-around firewood |
| Maple (Sugar) | 29.0 | $310 | Moderate | Hot, long-burning coals |
| Hickory | 30.6 | $320 | Hard | Hottest burning common hardwood |
| Ash | 24.0 | $250 | Easy | Easy to split, burns clean |
| Birch | 23.4 | $240 | Easy | Burns fast, good kindling |
| Cherry | 20.4 | $260 | Easy | Pleasant aroma, moderate heat |
| Pine (White) | 15.8 | $180 | Easy | Burns fast, more creosote, use for kindling |
| Douglas Fir | 20.7 | $200 | Easy | Good softwood option |
| Elm | 24.5 | $220 | Very Hard | Stringy grain, hard to split |