Length Converter
Convert between meters, feet, inches, centimeters, kilometers, miles, yards, and more. Perfect for construction, travel, or everyday measurements. 1 inch = 2.54 cm, 1 mile = 1.609 km.
Our free unit converter helps you quickly and accurately convert between different units of measurement. Whether you need to convert metric to imperial, Celsius to Fahrenheit, or kilograms to pounds, this universal converter handles all common unit conversions with step-by-step explanations.
Length Conversion: 5 miles → 8.047 km
Memory trick: A 5K race is about 3.1 miles. A marathon (26.2 mi) is 42.2 km.
Choose the type of measurement (length, weight, temperature, etc.).
Input the value you want to convert.
Select the source and target units for conversion.
See the converted value with formula and common conversions.
Unit conversion multiplies your value by a conversion factor. For example, to convert inches to centimeters, multiply by 2.54 (1 inch = 2.54 cm).
Result = Value × Conversion Factor
Metric system uses base-10: kilo (1000), centi (0.01), milli (0.001)
For temperature: °F = °C × 9/5 + 32
1 inch = 2.54 cm exactly (by definition)
1 mile = 1.60934 km, 1 kg = 2.20462 lbs
Data storage: 1 KB = 1024 bytes (binary) or 1000 bytes (decimal)
Use scientific notation for very large or small conversions
Instantly convert between different units of measurement with our free online unit converter. Supports length, weight, temperature, volume, area, speed, time, data storage, energy, and pressure conversions with step-by-step explanations.
Convert between meters, feet, inches, centimeters, kilometers, miles, yards, and more. Perfect for construction, travel, or everyday measurements. 1 inch = 2.54 cm, 1 mile = 1.609 km.
Convert kilograms to pounds, ounces to grams, and more. Essential for cooking, fitness, and shipping. 1 kg = 2.205 lbs, 1 oz = 28.35 g.
Convert Celsius to Fahrenheit, Kelvin, and more. Use the formula °F = °C × 1.8 + 32 for quick conversions. Water freezes at 0°C (32°F) and boils at 100°C (212°F).
Convert liters to gallons, milliliters to cups, and more. Useful for cooking, fuel, and liquid measurements. 1 liter = 0.264 US gallons = 4.227 cups.
Easily switch between metric (SI) and imperial units. The metric system uses meters, kilograms, and liters, while imperial uses feet, pounds, and gallons. Our converter handles both systems seamlessly.
Convert bytes, kilobytes, megabytes, gigabytes, and terabytes. Understand the difference between binary (1 KB = 1024 bytes) and decimal (1 KB = 1000 bytes) standards.
Data sourced from trusted institutions
All formulas verified against official standards.