Imperial (British) units of measurement
20 units from this system across 6 categories, 12 of them historical or traditional.
Weight & Mass
| Unit | Symbol | Value in kilograms |
|---|---|---|
| stone | st | 6.35029318 kg |
| long ton | ton (UK) | 1,016.046909 kg |
| hundredweight (UK) | cwt (UK) | 50.80234544 kg |
| quarter (UK) | qr | 12.70058636 kg |
Volume
| Unit | Symbol | Value in liters |
|---|---|---|
| imperial gallon | gal (UK) | 4.54609 L |
| imperial quart | qt (UK) | 1.1365225 L |
| imperial pint | pt (UK) | 0.56826125 L |
| imperial gill | gi (UK) | 0.1420653125 L |
| imperial fluid ounce | fl oz (UK) | 0.0284130625 L |
| UK beer barrel | bbl (UK) | 163.65924 L |
| firkin | firkin | 40.91481 L |
| kilderkin | kil | 81.82962 L |
| hogshead (ale) | hhd (ale) | 245.48886 L |
Time
| Unit | Symbol | Value in seconds |
|---|---|---|
| fortnight | fortnight | 1,209,600 s |
| score | score | 631,139,040 s |
Speed
| Unit | Symbol | Value in meters per second |
|---|---|---|
| furlong per fortnight | fur/ftn | 0.0001663095238 m/s |
Force
| Unit | Symbol | Value in newtons |
|---|---|---|
| poundal | pdl | 0.1382549544 N |
| ton-force (long) | tonf (UK) | 9,964.016418 N |
Fuel Economy
| Unit | Symbol | Value in kilometers per liter |
|---|---|---|
| mile per gallon (imperial) | mpg (UK) | 0.3540061899 km/L |
| gallon (imperial) per 100 miles | gal/100 mi (UK) | — |