CalcLength Converter
Last updated: 2026-05-09
The Length Converter is a free unit converter. Length Converter. Free online calculator with formula, examples and step-by-step guide. Convert units instantly with accurate results across all scales.
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Common Sizes — Click to Fill
| Value (meters) | |
|---|---|
| Conversion minima | 0.4 |
| Uso cotidiano | 0.7 |
| Uso profesional | 1.0 |
| Ingenieria | 1.5 |
| Escala industrial | 2.5 |
Length converter: all units
The length converter instantly transforms any measurement between metric and imperial systems. It's essential for DIY projects, cooking with foreign recipes, international online shopping, travel, and any technical work combining units from different systems.
Most common length units
- Metric (SI): millimeter (mm), centimeter (cm), meter (m), kilometer (km)
- Imperial: inch (in), foot (ft), yard (yd), mile (mi)
- Nautical: nautical mile (nm) = 1,852 m
Key conversion factors
- 1 m = 100 cm = 1,000 mm
- 1 inch = 2.54 cm
- 1 foot = 30.48 cm = 12 inches
- 1 yard = 91.44 cm = 3 feet
- 1 mile = 1.609 km = 5,280 feet
Practical examples
- Your height in feet: 175 cm = 175 ÷ 30.48 = 5'9"
- 55-inch screen diagonal: 55 × 2.54 = 139.7 cm
- Marathon in kilometers: 26.2 miles × 1.609 = 42.2 km