Convert between metres, centimetres, kilometres, inches, feet, yards and miles using the exact international definitions.
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With value 1, from Inches (in), to Centimetres (cm), the 1 in equals is 2.54 cm.
| Value | 1 |
|---|---|
| From | Inches (in) |
| To | Centimetres (cm) |
| 1 in equals | 2.54 cm |
|---|---|
| Millimetres | 25.4 mm |
| Metres | 0.0254 m |
| Kilometres | 0.0000254 km |
| Feet | 0.08333333333 ft |
| Yards | 0.02777777778 yd |
| Miles | 0.00001578282828 mi |
Pick the unit you have and the unit you want. Imperial lengths are defined exactly in metric units: an inch is 2.54 cm, a foot is 30.48 cm, a yard is 0.9144 m and a mile is 1,609.344 m. A nautical mile is 1,852 m.
Result = value × (size of the starting unit in metres) ÷ (size of the target unit in metres). 1 inch = 2.54 cm exactly. Pick the unit you have and the unit you want. Imperial lengths are defined exactly in metric units: an inch is 2.54 cm, a foot is 30.48 cm, a yard is 0.9144 m and a mile is 1,609.344 m. A nautical mile is 1,852 m.
With value 1, from Inches (in), to Centimetres (cm), the 1 in equals is 2.54 cm. Millimetres: 25.4 mm; Metres: 0.0254 m; Kilometres: 0.0000254 km; Feet: 0.08333333333 ft; Yards: 0.02777777778 yd; Miles: 0.00001578282828 mi.
This is an estimate based on the inputs and assumptions shown on this page, not professional advice. Check anything with financial, health or safety consequences independently.
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Exactly 2.54. The inch has been defined as 2.54 cm since the international yard and pound agreement of 1959.
Exactly 1.609344 km.