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| LENGTH................................. Top |
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Width of thumb = 25 millimetres = 1 inch 2.5 centimetres = 1 inch 5 centimetres = 2 inches 30 centimetres = 0.3 metre = 1 foot 1 metre = 3.25 feet 1 metre = 39 inches 10 metres = 11 yards 1 kilometre = 5/8 mile 8 kilometres = 5 miles 7 nautical miles (international) = 8 miles |
| AREA................................. Top |
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6.5 square centimetres = 1 square inch 13 square centimetres = 2 suare inches 1 square metre = 10.75 square feet 4 square metre = 43 square feet 5 square metres = 6 square yards 1 hectare = 2.5 acres 2 hectares = 5 acres 1 square kilometre = 250 acres 8 square kilometres = 3 square miles |
| VOLUME AND CAPACITY................................. Top |
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5 millilitres = 1 teaspoonful 28 millilitres = 1 UK fluid ounce 25 US liquid ounces = 26 UK fluid ounces 49 cubic centimetres 49 millilitres = 3 cubic inches 1 litre = 1.75 pints 4 litres = 7 UK pints 8 litres = 7 UK quarts 6 US liquid pints = 5 UK pints 9 litres = 19 US liquid pints 4.5 litres = 1 UK gallon 9 litres = 2 UK gallons 6 US gallons = 5 UK gallons 3.75 litres = 1 US gallon 15 litres = 4 US gallons 85 cubic decimetres 85 litres = 3 cubic feet 1 cubic metre = 35 cubic feet 3 cubic metres = 4 cubic yards 32 US bushels = 31 UK bushels 1 cuboc metre = 27.5 UK bushels 1 cubic metre = 28.3 US bushels 4 hectolitres = 11 UK bushels 5 hectolitres = 14 US bushels |
| WEIGHT (MASS)................................. Top |
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65 milligrams = 1 grain 1 gram = 15.5 grains 10 ounces troy = 11 ounces 28 grams = 1 ounce 31 grams = 1 ounce troy 454 grams = 1 pound 1 kilogram = 35 ounces 1 kilogram = 2.25 pounds 70 kilograms = 11 stone 5 quintals* = 11 US hundredweights 1 quintal* = 2 UK hundredweights 1 tonne = 2205 pounds 10 tonnes = 11 US tons 63 tonnes = 62 UK tons 112 US (short) tons = 100 UK (long) tons |
| VELOCITY (SPEED)................................. Top |
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3 feet per second = 2 miles per hour 4 metres per second = 9 miles per hour 5 metres per second = 18 kilometres per hour 10 feet per second = 11 kilometres per hour 48 kilometres per hour = 30 miles per hour 80 kilometres per hour = 50 miles per hour 113 kilometres per hour = 70 miles per hour |
| FUEL CONSUMPTION................................. Top |
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14 litres per kilometre = 5 UK gallons per
mile 7 kilometres per litre = 20 miles per UK gallon 14 litres per 100 kilometres = 20 miles per UK gallon 6 miles per UK gallon = 5 miles per US gallon |
| DENSITY AND CONCERNTRATION................................. Top |
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25 grams per litre = 4 ounces per UK gallon 15 grams per litre = 2 ounces per US gallon 16 kilograms per cubic metre = 1 pound per cubic foot 1 kilogram per litre density of 1 = 62.5 pounds per cubic foot |
| FORCE................................. Top |
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1 newton = 7.25 poundals 4.5 newtons = 1 pound-force 40 newtons = 9 pounds-force 10 newtons = 1 kilogram-force |
| PRESSURE AND STRESS................................. Top |
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48 pascals (newtons per square metre) = 1
pound-force per square foot 7 kilopascals (kilonewtons per square metre) = 1 pound-force per suare inch 1 standing atmosphere 14.5 pounds-force per square inch = 1 bar 7 kilograms-force per square centimetre = 100 pounds-force per square inch |
| ENERGY................................. Top |
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19 kilojoules = 18 British thermal units 1 kilocalorie* = 4 British thermal units 4 kilojoules = 1 kilocalorie* (Calorie*) |
| POWER................................. Top |
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3 kilowatts = 4 UK horsepower 73 metric horsepower* = 72 UK horsepower |