Convert Board Foot to Imperial Gallon
Convert board feet to imperial gallons instantly. 1 board foot = 0.5190696216 imperial gallon — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Gallon to Board Foot converter for the reverse conversion.
Units explained
Board Foot
A board foot is 144 cubic inches (2.35974 L), nominally 1 ft × 1 ft × 1 in of lumber.
A traditional measure of sawn-timber volume.
Standard for pricing hardwood lumber in North America.
North American lumber trade.
Imperial Gallon
The imperial gallon is defined as exactly 4.54609 liters.
Set by the British Weights and Measures Act of 1824 as the volume of 10 lb of water.
Used for fuel and beverages in the UK and Commonwealth.
UK, 1824.
Board Foot to Imperial Gallon conversion formula
The relationship between board feet and imperial gallons:
To convert board feet to imperial gallons, multiply the value in board feet by 0.5190696216. To reverse, multiply imperial gallons by 1.9265238388.
How to use this converter
Type a value into the calculator. The result in imperial gallons updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Imperial Gallon to Board Foot converter for the reverse direction.
Step-by-step: convert board feet to imperial gallons
- Write down the value in board feet (bf).
- Multiply that value by the factor 0.5190696216.
- The product is the equivalent value in imperial gallons (gal).
- To reverse, multiply the imperial gallon value by 1.9265238388.
Worked examples
Example 1 — Convert 1 bf to gal:
1 × 0.5190696216 = 0.5190696216 gal
Example 2 — Convert 100 bf to gal:
100 × 0.5190696216 = 51.9069621587 gal
Real-world example — Postcard and small-object dimensions
A postcard is about 5 board feet wide. Converting to imperial gallons is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 bf × 0.5190696216 = 2.5953481079 gal
Real-world example — Ruler-scale measurements
A 30-board foot school ruler converts cleanly to imperial gallons — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 bf × 0.5190696216 = 15.5720886476 gal
Real-world example — Hardware-scale dimensions
A 10-board foot fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between board feet and imperial gallons daily when mixing metric and imperial tools.
10 bf × 0.5190696216 = 5.1906962159 gal
Board Foot to Imperial Gallon conversion table
Standard reference values for converting board feet to imperial gallons:
| Board Foot [bf] | Imperial Gallon [gal] |
|---|---|
| 0.01 | 0.0051906962 |
| 0.1 | 0.0519069622 |
| 1 | 0.5190696216 |
| 2 | 1.0381392432 |
| 3 | 1.5572088648 |
| 4 | 2.0762784863 |
| 5 | 2.5953481079 |
| 10 | 5.1906962159 |
| 20 | 10.3813924317 |
| 30 | 15.5720886476 |
| 40 | 20.7627848635 |
| 50 | 25.9534810793 |
| 100 | 51.9069621587 |
| 500 | 259.5348107935 |
| 1000 | 519.0696215869 |
Frequently asked questions
How many imperial gallons is 1 board foot?
How do I convert board feet to imperial gallons?
How do I convert imperial gallons back to board feet?
How many imperial gallons is 100 board feet?
Popular volume unit conversions
Convert Board Foot to other volume units
Show all Board Foot conversions
Metric / SI (3 units)
US Customary (Liquid) (1 units)
Imperial (UK) (1 units)
Cubic (length-derived) (1 units)
Sources & references
Conversion factor (1 bf = 0.5190696216 gal) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.