| Vehicle Classification by Weight |
| 5 hundredweight (= cwt) |
0.25 ton |
254 kilos |
| 8 hundredweight (= cwt) |
0.5 ton |
406.4 kilos |
| 15 hundredweight (= cwt) |
0.75 ton |
762 kilos |
| 30 hundredweight (= cwt) |
1.5 ton |
1,524 kilos |
|
Weights |
| 16 ounces (= oz.) |
1 pound (= lb.) |
453.6 grams |
| 14 pounds |
1 stone |
6.35 kilos |
| 100 pounds |
1 hundredweight short (= cwt. sh.) |
45.36 kilos |
| 112 pounds |
1 hundredweight long (= cwt.) |
50.80 kilos |
| 2000 pounds |
1 short ton |
0.907 metric tons |
| 2240 pounds |
1 long ton |
1.016 metric tons |
|
Gun Caliber by Weight |
| 1 pounder (pdr) |
|
37 mm |
| 2 pounder (pdr) |
|
40 mm |
| 3 pounder (pdr) |
|
47 mm |
| 6 pounder (pdr) |
|
57 mm |
| 12 pounder (pdr) |
3-inch |
76.2 mm |
| 13 pounder (pdr) |
3-inch |
76.2 mm |
| 15 pounder (pdr) |
3-inch |
76.2 mm |
| 17 pounder (pdr) |
3-inch |
76.2 mm |
| 18 pounder (pdr) |
|
83.8 mm |
| 20 pounder (pdr) |
|
84 mm |
| 25 pounder (pdr) |
|
87.6 mm |
| 32 pounder (pdr) |
|
94 mm |
| 60 pounder (pdr) |
|
127 mm |
|
Gun Caliber by Size |
| .30 caliber |
|
7.62 mm |
| .303 caliber |
|
7.7 mm |
| .50 caliber |
|
12.7 mm |
| 1-inch |
|
25.4 mm |
| 2-inch |
|
50.8 mm |
| 2.95-inch |
|
75 mm |
| 3-inch |
|
76.2 mm |
| 3.7-inch |
|
94 mm |
| 4.2-inch |
|
107 mm |
| 4.5-inch |
|
114 mm |
| 5.5-inch |
|
140 mm |
| 6-inch |
|
152 mm |
| 7.2-inch |
|
183 mm |
| 8-inch |
|
203 mm |
| 9.2-inch |
|
234 mm |
| 12-inch |
|
305 mm |
| 15-inch |
|
381 mm |
| 16-inch |
|
406 mm |
|
Land Linear Measure |
| 1 inch (= in. or " / double apostrophe) |
|
25.4 mm |
| 12 inches |
1 foot (= ft. or ' / single apostrophe) |
304.8 mm |
| 3 feet |
1 yard (= yd.) |
914.4 mm |
| 16.5 feet |
1 pole or rod or perch |
5.029 meters |
| 5.5 yards |
1 pole or rod or perch |
5.029 meters |
| 4 poles or rods or perches |
1 chain |
20.117 meters |
| 10 chains |
1 furlong (= fur.) |
201.168 meters |
| 220 yards |
1 furlong (= fur.) |
201.168 meters |
| 8 furlongs |
1 (statute) mile (= mi.) |
1.609 kilometers |
| 5280 feet |
1 (statute) mile (= mi.) |
1.609 kilometers |
| 1760 yards |
1 (statute) mile (= mi.) |
1.609 kilometers |
| 3 (statute) miles |
1 league |
4.828 kilometers |
|
Land Area Measure |
| 1 square inch (sq in) |
|
6.45 sq cm |
| 1 acre (ac) |
0.0016 square miles (sq mi) |
0.404 hectares |
| 1 square mile (sq mi) |
640 ac |
2.59 sq km |
|
Mariners' Measure |
| 6 feet |
1 fathom |
1.8288 meters |
| 6080.2 feet |
1 (nautical) mile (= nm.) |
1.853 kilometers |
| about 1000 fathoms |
1 (nautical) mile (= nm.) |
1.853 kilometers |
| 1 (nautical) mile (= nm.) |
1 knot (kt.) |
1.853 kilometers |
| 1 (nautical) mile (= nm.) |
1.151 (statute) mile (= mi.) |
1.853 kilometers |
| 3 nautical miles |
1 (sea) league |
5.559 kilometers |
| Measures of Volume |
| 1 cubic inch (cu) |
|
16.39 cc |
| 1 gallon (gal) (US) |
231 cubic inches |
3.79 liters |
| 1 gallon (gal) (US) |
0.83 gallon (Imperial) |
3.79 liters |
| 1 gallon (gal) (Imperial) |
277.42 cubic inches |
4.55 liters |
| 1 gallon (gal) (Imperial) |
1.20 gallon (US) |
4.55 liters |
