Length conversions
Convert between length units. Centimetres, inches, metres, feet, miles and millimetres. Each page gives the exact factor and where it comes from, a full table, a worked example, and the reverse conversion.
cm to inches1 cm = 0.393701 ininches to cm1 in = 2.54 cmm to feet1 m = 3.2808 ftfeet to m1 ft = 0.3048 mkm to miles1 km = 0.621371 mimiles to km1 mi = 1.6093 kmmm to inches1 mm = 0.0393701 ininches to mm1 in = 25.4 mmm to yards1 m = 1.0936 ydyards to m1 yd = 0.9144 mfeet to inches1 ft = 12 ininches to feet1 in = 0.0833333 ftyards to feet1 yd = 3 ftcm to mm1 cm = 10 mmm to cm1 m = 100 cmkm to m1 km = 1,000 mmm to cm1 mm = 0.1 cmmiles to m1 mi = 1,609.344 mmiles to feet1 mi = 5,280 ftfeet to miles1 ft = 0.000189394 mim to mm1 m = 1,000 mmmm to m1 mm = 0.001 mcm to feet1 cm = 0.0328084 ftfeet to cm1 ft = 30.48 cmm to inches1 m = 39.3701 ininches to m1 in = 0.0254 mfeet to yards1 ft = 0.333333 yd