Firewood Stack Calculator
Cords of firewood in a stacked pile.
Enter your values
Enter the stack length in ft.
Enter the stack height in ft.
Enter the stack depth in ft.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Cords of wood
- 1 cords
- Total stack volume
- 128 cu ft
- Face cords (4ft deep std)
- 4
Quick answer
A full cord is 128 cubic feet; the calculator divides your stack's volume by 128 to find the number of cords.
cords = (length x height x depth) / 128
At a glance
| What it does | Cords of firewood in a stacked pile. |
|---|---|
| Category | Home & DIY |
| Inputs needed | Stack length, Stack height, Stack depth |
| Main output | Cords of wood |
| Formula | cords = (length x height x depth) / 128 |
| Cost | Free — no sign-up, no download |
How to use the Firewood Stack Calculator
- 1Measure the length, height and depth of your stacked woodpile.
- 2A standard full cord measures 4 ft x 4 ft x 8 ft, or 128 cubic feet.
- 3Divide your stack's total volume by 128 to see how many cords you have.
Inputs explained
- Stack length(ft)
- Enter the stack length in ft.
- Stack height(ft)
- Enter the stack height in ft.
- Stack depth(ft)
- Enter the stack depth in ft.
Worked example
Using the values the calculator loads with:
Inputs
- Stack length8 ft
- Stack height4 ft
- Stack depth4 ft
Results
- Cords of wood1 cords
- Total stack volume128 cu ft
- Face cords (4ft deep std)4
Frequently asked questions
What's the difference between a cord and a face cord?
A face cord is typically 4 ft x 8 ft x the length of the individual logs (often 16 in), roughly 1/3 of a full cord.
How much wood do I need for winter?
A typical home using wood as a primary heat source burns 3-5 full cords per winter, less if it's supplemental.
What do I need to enter into the Firewood Stack Calculator?
Just 3 values: stack length, stack height, stack depth. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Firewood Stack Calculator work out the answer?
A full cord is 128 cubic feet; the calculator divides your stack's volume by 128 to find the number of cords. It applies the formula cords = (length x height x depth) / 128 and shows the working so you can check each step by hand.
Is the Firewood Stack Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.