Display values are rounded; for machining or surveying, keep full precision until the final figure. All inch-based units use the international inch: exactly 2.54 cm.
Convert metres, kilometres, centimetres and millimetres to inches, feet, yards and miles — for heights, rooms, fabric and distances, with every equivalent updating live.
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Convert metres, kilometres, centimetres and millimetres to inches, feet, yards and miles — for heights, rooms, fabric and distances, with every equivalent updating live.
A standard interior door is 36 inches wide: 91.44 centimetres, or 0.9144 metres. A marathon is 42.195 kilometres — 26.22 miles.
Result = input × source-unit factor ÷ destination-unit factor. All factors are relative to the same base unit; intermediate values are not rounded.
Metres, Kilometres, Centimetres, Millimetres, Inches, Feet, Yards, Miles. Read the labels carefully: regional or decimal/binary variants are separate choices.
The mile is exactly 1,609.344 metres — 5,280 feet of exactly 0.3048 m each. The awkward digits come from history, not measurement error.
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