Length

|1 millimetre [mm] |0.03937 in |
|1 centimetre [cm] |10 mm |0.3937 in |
|1 metre [m] |100 cm |1.0936 yd |
|1 kilometre [km] |1000 m |0.6214 mile |
|1 inch [in] |2.54 cm |
|1 foot [ft] |12 in |0.3048 m |
|1 yard [yd] |3 ft |0.9144 m |
|1 mile |1760 yd |1.6093 km |
|1 int nautical mile |2025.4 yd |1.853 km |

Mass

|1 milligram [mg] |0.0154 grain |
|1 gram [g] |1,000 mg |0.0353 oz |
|1 kilogram [kg] |1,000 g |2.2046 lb |
|1 tonne [t] |1,000 kg |0.9842 ton |
|1 ounce [oz] |437.5 grain |28.35 g |
|1 pound [lb] |16 oz |0.4536 kg |
|1 stone |14 lb |6.3503 kg |
|1 hundredweight [cwt] |112 lb |50.802 kg |
|1 long ton (uk) |20 cwt |1.016 t |

Volume

|1 cu cm [cm3] |0.0610 in3 |
|1 cu decimetre [dm3] |1,000 cm3 |0.0353 ft3 |
|1 cu metre [m3] |1,000 dm3 |1.3080 yd3 |
|1 litre [l] |1 dm3 |1.76 pt |
|1 hectolitre [hl] |100 l |21.997 gal |
|1 cu cm [cm3] |0.0610 in3 |
|1 cu decimetre [dm3] |1,000 cm3 |0.0353 ft3 |
|1 cu metre [m3] |1,000 dm3 |1.3080 yd3 |
|1 litre [l] |1 dm3 |1.76 pt |
|1 hectolitre [hl] |100 l |21.997 gal |
|1 fluid ounce |1.0408 uk fl oz |29.574 ml |
|1 pint (16 fl oz) |0.8327 uk pt |0.4731 l |
|1 gallon |0.8327 uk gal |3.7854 l |

Area

|1 sq cm [cm2] |100 mm2 |0.1550 in2 |
|1 sq m [m2] |10,000 cm2 |1.1960 yd2 |
|1 hectare [ha] |10,000 m2 |2.4711 acres |
|1 sq km [km2] |100 ha |0.3861 mile2 |
|1 sq inch [in2] |6.4516 cm2 |
|1 sq foot [sq ft] |144 in2 |0.0929 m2 |
|1 sq yd [yd2] |9 sq ft |0.8361 m2 |
|1 acre |4840 yd2 |4046.9 m2 |
|1 sq mile [mile2] |640 acres |2.59 km2 |