Lumber Volume Converter
Cubic Meter
m³
Cubic Decimeter
dm³
Cubic Centimeter
cm³
Cubic Millimeter
mm³
Cubic Foot
ft³
Cubic Inch
in³
Cubic Yard
yd³
Board Foot
BF
Thousand Board Feet
MBF
Cord
cord
Cord Foot
cd-ft
Cunit
cunit
Stere
st
Hoppus Foot
hop ft
Hoppus Ton
hop ton
Petersburg Standard
PStd
Timber Load
load
Hover any row to copy or use as input.
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A comprehensive lumber volume converter covering every major unit used in the timber, woodworking, and construction industries worldwide. Supports 17 units across four groups: Metric (m³, dm³, cm³, mm³), Imperial (ft³, in³, yd³), Lumber - North America (Board Foot, Thousand Board Feet/MBF, Cord, Cord Foot, Cunit), and Lumber - International (Stere, Hoppus Foot, Hoppus Ton, Petersburg Standard, Timber Load). Key facts: 1 Board Foot = 144 in³ = 1⁄12 ft³ - the standard North American lumber pricing unit. 1 MBF = 1,000 board feet - used for wholesale lumber and forest product sales. 1 Cord = 128 ft³ (4×4×8 ft stack) = 1,536 BF - the standard North American firewood unit. 1 Cunit = 100 ft³ - used in Canada and the US Pacific Northwest for pulpwood and chips. The Hoppus Foot (≈1.273 ft³) is a traditional British quarter-girth measurement for round timber that intentionally underestimates actual log volume. Type a value, pick a unit, and instantly see every other equivalent. Click any row for instant reverse conversion. 100% browser-based - no data leaves your device.
How to Use
- 1Type a number in the input field
- 2Select your starting unit from the From dropdown (e.g. Board Foot, Cord, m³)
- 3Select your target unit from the To dropdown - the result appears instantly
- 4All conversions appear simultaneously, grouped by system: Metric, Imperial, Lumber (N. America), and Lumber (International)
- 5Hover any result row to reveal the copy and swap buttons
- 6Click the copy icon to copy a value to your clipboard
- 7Click the swap icon (⇅) on any row to use that unit as the new input and reverse the conversion
- 8Use the main swap button (⇄) in the input card to swap From and To units
- 9Adjust 'Sig. figures' to control result precision (3 to 12 significant digits)
- 10Toggle 'Sci notation' to display very large or very small values in exponential form
- 11Collapse a unit group by clicking its header to reduce clutter
- 12Open 'Common conversions' at the bottom for a quick reference of key lumber unit relationships
Features
- 17 lumber and volume units across 4 groups
- Metric: Cubic Meter, Cubic Decimeter, Cubic Centimeter, Cubic Millimeter
- Imperial: Cubic Foot, Cubic Inch, Cubic Yard
- Lumber (N. America): Board Foot (BF), Thousand Board Feet (MBF), Cord, Cord Foot, Cunit
- Lumber (International): Stere, Hoppus Foot, Hoppus Ton, Petersburg Standard, Timber Load
- All conversions shown simultaneously - no need to select a single target unit
- Click any result row to use it as the new input for instant reverse conversion
- Adjustable significant figures: 3, 4, 5, 6, 8, 10, or 12 digits
- Toggleable scientific notation for very large and very small values
- Collapsible unit groups to reduce visual clutter
- One-click copy to clipboard for any converted value
- Quick-reference table of common lumber unit relationships (BF, MBF, cord, cunit, hoppus)
- 100% browser-based - no server, no data upload
Frequently Asked Questions
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