Length Converter
Convert between common length units: mm, cm, m, km, inches, feet
Input
Result
100 Centimeter (cm)
Formula
Convert through the base unit (meter)
FAQ
How do length units convert?
All length units convert through the meter (SI base unit). 1 m = 100 cm = 1000 mm = 0.001 km ≈ 39.37 in ≈ 3.281 ft.
What are inches and feet?
Inches (in) and feet (ft) are imperial length units. 1 ft = 12 in, 1 in = 2.54 cm.
How to quickly estimate length conversions?
1 inch ≈ 2.54 cm, 1 foot ≈ 30.48 cm, 1 meter ≈ 3.28 feet. Memorize these common conversions for quick estimates.