Length Converter

Convert between meters, kilometers, feet, miles, inches, yards, and more.

Conversion Result

100 Meters (m)

328.0839895

Feet (ft)

📏 Common Conversions

1 mile = 1.609 km

1 yard = 0.914 meters

1 foot = 30.48 cm

1 inch = 2.54 cm

Quick Tips

Approximate: 1 km ≈ 0.6 miles

Approximate: 1 meter ≈ 3.3 feet

Memory trick: 5 miles ≈ 8 kilometers

For heights: Use feet & inches or centimeters

How to Use the Length Calculator

Enter a length value, select the unit you're converting from, choose the target unit, and the conversion appears instantly. Perfect for distance, height, and dimension conversions.

Formula

All units convert through meters (base unit). value_in_meters = input × from_factor; result = value_in_meters ÷ to_factor.

History & Interesting Facts

💡 Did You Know?

A nautical mile is defined as 1/60th of a degree of latitude along any meridian, making it exactly 1,852 meters.

Origin & History

1 foot was originally defined as 1/3 of a yard, which came from the length of a human foot. Modern definitions use the meter as the SI base unit.

Fascinating Facts

  • 1

    1 kilometer = 0.621371 miles (roughly 5/8)

  • 2

    1 meter ≈ 3.28084 feet (roughly 10/3)

  • 3

    1 inch = 2.54 centimeters (exactly)

  • 4

    Imperial vs Metric: Most countries use metric, except USA, Liberia, and Myanmar

Frequently Asked Questions

How many feet are in a meter?

1 meter = 3.28084 feet. So to convert meters to feet, multiply by about 3.28.

What is a nautical mile used for?

Nautical miles are used in maritime and aviation navigation. 1 nautical mile = 1.15078 statute miles or 1.852 kilometers.

How do I convert inches to centimeters?

1 inch = 2.54 centimeters exactly. Multiply inches by 2.54 to get centimeters.