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📏 Length Converter
Convert between metric and imperial length units
1 meter = 3.28084 feet
📏 Common Length Conversions
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How to Convert Units
Unit conversion is the process of changing a measurement from one unit to another while keeping the same quantity. Our free unit converter handles all major unit categories instantly — simply select your units and enter your value.
Metric vs Imperial System
The metric system is used by most countries worldwide and is based on powers of 10 — making conversions within the system simple. The imperial system is primarily used in the United States and includes units like feet, pounds and Fahrenheit. Our converter handles both systems and all conversions between them.
Most Common Unit Conversions
- 1 kilometer = 0.621371 miles
- 1 kilogram = 2.20462 pounds
- 1 meter = 3.28084 feet
- Celsius to Fahrenheit: multiply by 9/5 then add 32
- 1 liter = 0.264172 US gallons
- 1 square meter = 10.7639 square feet
Frequently Asked Questions
How do I convert Celsius to Fahrenheit? +
To convert Celsius to Fahrenheit use the formula: F = (C × 9/5) + 32. For example 100°C = (100 × 9/5) + 32 = 180 + 32 = 212°F. To convert Fahrenheit to Celsius: C = (F - 32) × 5/9. Use our Temperature tab above for instant conversion.
How many kg in a pound? +
1 pound equals 0.453592 kilograms. Conversely 1 kilogram equals 2.20462 pounds. A quick mental estimate: divide pounds by 2.2 to get kilograms, or multiply kilograms by 2.2 to get pounds. Use our Weight tab above for precise conversions.
How many cm in an inch? +
1 inch equals exactly 2.54 centimeters. Therefore 1 centimeter equals 0.393701 inches. To convert inches to cm multiply by 2.54. To convert cm to inches divide by 2.54. Use our Length tab for instant conversions between all length units.
How many miles in a kilometer? +
1 kilometer equals 0.621371 miles. 1 mile equals 1.60934 kilometers. A quick estimate for mental math: multiply kilometers by 0.6 to get approximate miles, or divide miles by 0.6 to get approximate kilometers. For exact conversion use our Speed or Length converter above.
What is the difference between ml and l? +
Milliliter (ml) and liter (L) are both metric units of volume. 1 liter equals 1000 milliliters. A standard water bottle is 500ml which is 0.5 liters. A liter is slightly more than 1 US quart (1 liter = 1.05669 quarts). Use our Volume tab for all liquid measurement conversions.