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📏 M to KM

Convert length units instantly between metric and imperial systems

All Units
Quick Convert
cm
cm to incm to ftcm to mmcm to m
m
m to ftm to cmm to kmm to inm to yd
km
km to mikm to mkm to ft
in / ft
in to cmin to mmft to mft to cmft to in
mi / yd / mm
mi to kmyd to mmm to inmm to cm
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💬 Comments: 3
M
Mark

Simple and fast.

2025-12-21
A
Amy

Converts all length units.

2025-12-16
E
Eric

Perfect for measurements!

2025-12-15

About Length Units

Length is one of the fundamental physical quantities. The metric system (SI) uses meter as the base unit, while the imperial system uses foot. This tool supports instant conversion between metric and imperial units.

Common Conversions

1 Meter (m)=100 cm = 1000 mm
1 Kilometer (km)=1000 meters
1 Inch (in)=2.54 centimeters
1 Foot (ft)=12 inches = 30.48 cm
1 Yard (yd)=3 feet = 91.44 cm
1 Mile (mi)=1.609344 kilometers

Tips

  • ✓ All units convert automatically as you type
  • ✓ Click on results to copy
  • ✓ Supports decimal input up to 6 decimal places
  • ✓ Common: 1 inch = 2.54 cm, 1 foot = 30.48 cm

FAQ

How many centimeters in an inch?

1 inch equals exactly 2.54 centimeters. This is the international standard definition.

How many meters in a foot?

1 foot equals 12 inches, which is 0.3048 meters or 30.48 centimeters.

What is the difference between metric and imperial?

Metric (SI) is the international decimal system using meter as base unit. Imperial is mainly used in US and UK, using feet and inches.

How to convert nautical miles to kilometers?

1 nautical mile equals 1.852 kilometers. It is mainly used in navigation and aviation.

Last Updated: 2026-06-04✓ Expert Verified