Direct conversion
Convert acre-foot [ac ft] to board foot [FBM] instantly with formula, examples, chart, and FAQs.
1 acre-foot [ac ft] = 522720 board foot [FBM]
1 acre-foot [ac ft] = 522720 board foot [FBM]
Example: 1 acre-foot [ac ft] equals 522720 board foot [FBM].
Volume conversions use cubic metre as the reference unit. US liquid units, metric litres, and cubic units are converted with fixed factors stored in the unit table.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The acre-foot (ac ft) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse acre-foot when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
The board foot (FBM) is a volume unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse board foot when comparing volume values, checking specifications, converting between systems, or preparing quick estimates.
| acre-foot [ac ft] | board foot [FBM] |
|---|---|
| 1 | 522720 |
| 2 | 1045440 |
| 5 | 2613600 |
| 10 | 5227200 |
| 20 | 10454400 |
| 25 | 13068000 |
| 50 | 26136000 |
| 100 | 52271999.999999 |
| 1000 | 522719999.999991 |
Use this formula: 1 acre-foot [ac ft] = 522720 board foot [FBM] Enter your value in the calculator and the result updates instantly.
1 acre-foot [ac ft] equals 522720 board foot [FBM].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.