Laengenumrechner

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