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Volume ConverterTimber Volume Unit Converter

Convert timber volumes between cubic metres, cubic feet (CFT), board feet, Hoppus feet, cubic inches and litres. Essential for trading, quoting and importing across international and Indian timber standards.

m3 / CFT / Board FeetHoppus FeetInstant ConversionAll Units TablePDF Report
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Volume Converter

Timber Volume Unit Converter

Volume Conversion
units
OK
Conversion Results
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target
Converted Value
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m3
Cubic Metres
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CFT
Cubic Feet
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BF
Board Feet
UnitValueNote
Conversion Calculation
About Volume Converter
The timber trade uses several different volume units depending on country and context - cubic metres in most of the world, cubic feet (CFT) in Indian markets, board feet in the US and Indian sawmills, and Hoppus feet for round logs in the UK and Commonwealth. This converter instantly translates between all of them so you can quote, buy and sell across any standard without errors.
Where Is This Used?
Timber TradingImport + ExportSawmill SalesQuotation PrepLog BuyingInventory Valuation
Formulas & Conversion Factors
1 Cubic Foot (CFT) = 0.0283168 m31 Board Foot (BF) = 144 cubic inches = 0.00235974 m31 Hoppus Foot = 1.273 cubic feet = 0.0279797 m3Conversion = (Amount x From_factor) / To_factor1 m3 = 35.3147 CFT = 423.78 Board Feet
Frequently Asked Questions
What is the difference between CFT and board feet?
A cubic foot (CFT) is a true cubic measure - 12 x 12 x 12 inches. A board foot is a lumber-specific unit equal to 144 cubic inches (12 x 12 x 1 inch), so 1 CFT = 12 board feet. Indian markets often quote sawn timber in CFT, while board feet is common for hardwood lumber pricing.
Why is the Hoppus foot smaller than a real cubic foot?
The Hoppus system was designed to estimate usable squared timber from a round log, building in an allowance for the slabs lost when squaring. One Hoppus foot is about 1.273 actual cubic feet of round log, which yields roughly 1 cubic foot of squared timber. It is still used in Commonwealth round-log trade.
Which unit should I use for export quotes?
International contracts almost always use cubic metres (m3). When dealing with US buyers, board feet may be requested for hardwood lumber. Always state the unit explicitly on quotes and convert carefully - a unit mix-up between CFT and m3 (a factor of ~35) can be a costly mistake.
ResourcesView the formulasWood Species DatabaseFormula Library
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