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Measurement
Length Conversion Table
Values shown for 1 Meter
About Length Conversions
Construction, manufacturing, and navigation all run on length measurement. The metric system fixes the meter to the speed of light, giving scientists and most of the world a single decimal framework. The United States still runs on the imperial system (inches, feet, yards, miles), written into its building codes, road signs, and daily speech. Precision matters here: a 1% error on a 100-meter building plan throws alignment off by a full meter. Every factor below traces to NIST, with 1 inch fixed at exactly 25.4 mm, so rounding never creeps into professional work.
| Unit Name | Symbol | Value | Formula |
|---|---|---|---|
| Centimeter | cm | 100 | divide by 100 |
| Foot | ft | 3.28084 | multiply by 0.3048 |
| Inch | in | 39.3701 | multiply by 0.0254 |
| Kilometer | km | 0.001 | multiply by 1000 |
| Light Year | ly | 1.057 × 10⁻¹⁶ | multiply by 9.4607 × 10¹⁵ |
| Meter | m | 1 | base unit |
| Micrometer | μm | 1000000 | divide by 1,000,000 |
| Mile | mi | 0.000621371 | multiply by 1609.344 |
| Millimeter | mm | 1000 | divide by 1000 |
| Nanometer | nm | 1000000000 | divide by 1,000,000,000 |
| Nautical Mile | nmi | 0.000539957 | multiply by 1852 |
| Parsec | pc | 3.24078 × 10⁻¹⁷ | multiply by 3.0857 × 10¹⁶ |
| Yard | yd | 1.09361 | multiply by 0.9144 |