Unit Converter
Free online unit converter. Convert between length, weight, temperature, area, volume, speed, time, and more. Fast, accurate, and easy to use.
Unit Converter
Quick Conversions
11 units available
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8 units available
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7 units available
Popular Unit Conversions
Weight Conversions
- • 1 gram = 0.001 kilograms (gram to kg)
- • 1 pound = 0.45359237 kg (pounds to kg)
- • 1 ounce = 0.028349523125 kg (ounces to kg)
- • 1 ton = 1000 kg (tons to kg)
Length Conversions
- • 1 mile = 1.609344 km (miles to km)
- • 1 inch = 2.54 cm (inches to cm)
- • 1 foot = 0.3048 m (feet to meters)
- • 1 yard = 0.9144 m (yards to meters)
Temperature Conversions
- • 0°C = 32°F (celsius to fahrenheit)
- • 100°C = 212°F (celsius to fahrenheit)
- • 0°C = 273.15K (celsius to kelvin)
- • 32°F = 273.15K (fahrenheit to kelvin)
Area Conversions
- • 1 m² = 10.764 ft² (square meters to square feet)
- • 1 acre = 4046.8564224 m² (acres to square meters)
- • 1 hectare = 10000 m² (hectares to square meters)
- • 1 mi² = 2.589988110336 km² (square miles to square kilometers)
Volume Conversions
- • 1 liter = 0.264172 gallons (liters to gallons)
- • 1 gallon = 3.785411784 liters (gallons to liters)
- • 1 m³ = 1000 liters (cubic meters to liters)
- • 1 mL = 0.001 liters (milliliters to liters)
Speed Conversions
- • 1 mph = 1.609344 km/h (miles per hour to kilometers per hour)
- • 1 km/h = 0.621371 mph (kilometers per hour to miles per hour)
- • 1 m/s = 3.6 km/h (meters per second to kilometers per hour)
- • 1 knot = 1.150779 mph (knots to miles per hour)
Common Unit Conversion Questions
How to convert grams to kilograms?
To convert grams to kilograms, divide the number of grams by 1000. For example:
- • 500 grams = 0.5 kilograms
- • 1000 grams = 1 kilogram
- • 2500 grams = 2.5 kilograms
How to convert miles to kilometers?
To convert miles to kilometers, multiply the number of miles by 1.609344. For example:
- • 1 mile = 1.609344 kilometers
- • 5 miles = 8.04672 kilometers
- • 10 miles = 16.09344 kilometers
How to convert inches to centimeters?
To convert inches to centimeters, multiply the number of inches by 2.54. For example:
- • 1 inch = 2.54 centimeters
- • 10 inches = 25.4 centimeters
- • 12 inches = 30.48 centimeters
How to convert pounds to kilograms?
To convert pounds to kilograms, multiply the number of pounds by 0.45359237. For example:
- • 1 pound = 0.45359237 kilograms
- • 10 pounds = 4.5359237 kilograms
- • 100 pounds = 45.359237 kilograms
Popular Unit Conversions
Weight Conversions
- • 1 gram = 0.001 kilograms
- • 1 pound = 0.45359237 kilograms
- • 1 ounce = 0.028349523125 kilograms
- • 1 ton = 1000 kilograms
Length Conversions
- • 1 mile = 1.609344 kilometers
- • 1 inch = 2.54 centimeters
- • 1 foot = 0.3048 meters
- • 1 yard = 0.9144 meters
Temperature Conversions
- • 0°C = 32°F
- • 100°C = 212°F
- • 0°C = 273.15K
- • 32°F = 273.15K
Area Conversions
- • 1 square meter = 10.764 square feet
- • 1 acre = 4046.8564224 square meters
- • 1 hectare = 10000 square meters
- • 1 square mile = 2.589988110336 square kilometers
Volume Conversions
- • 1 liter = 0.264172 gallons
- • 1 gallon = 3.785411784 liters
- • 1 cubic meter = 1000 liters
- • 1 milliliter = 0.001 liters
Speed Conversions
- • 1 mph = 1.609344 km/h
- • 1 km/h = 0.621371 mph
- • 1 m/s = 3.6 km/h
- • 1 knot = 1.150779 mph
How to Use the Unit Converter
1. Select Category
Choose the unit category you want to convert (length, weight, temperature, etc.).
2. Enter Value
Input the value you want to convert in the "From" field.
3. Choose Units
Select the "From" and "To" units from the dropdown menus.
4. Get Result
The converted value will appear instantly in the "To" field.
Features
Frequently Asked Questions
How do I convert grams to kilograms?
To convert grams to kilograms, divide the number of grams by 1000. For example, 500 grams = 0.5 kilograms, 1000 grams = 1 kilogram. This is because 1 kilogram equals 1000 grams.
How do I convert miles to kilometers?
To convert miles to kilometers, multiply the number of miles by 1.609344. For example, 1 mile = 1.609344 kilometers, 5 miles = 8.04672 kilometers. This conversion factor is based on the international mile definition.
How do I convert inches to centimeters?
To convert inches to centimeters, multiply the number of inches by 2.54. For example, 1 inch = 2.54 centimeters, 10 inches = 25.4 centimeters. This is the standard conversion factor used internationally.
How do I convert pounds to kilograms?
To convert pounds to kilograms, multiply the number of pounds by 0.45359237. For example, 1 pound = 0.45359237 kilograms, 10 pounds = 4.5359237 kilograms. This is the exact conversion factor used in the international avoirdupois pound.
How do I convert Celsius to Fahrenheit?
To convert Celsius to Fahrenheit, multiply the Celsius temperature by 9/5 and add 32. For example, 0°C = 32°F, 100°C = 212°F. The formula is: °F = (°C × 9/5) + 32.
How accurate are the conversions?
Our unit converter uses precise conversion factors and is accurate to multiple decimal places for most conversions. All conversion factors are based on international standards and official definitions.
What unit categories are supported?
We support length, weight, temperature, area, volume, speed, time, data storage, and more categories. Each category includes both metric and imperial units, as well as other specialized units.
Can I convert between different measurement systems?
Yes! You can convert between metric, imperial, and other measurement systems easily. Our converter supports conversions between any units within the same category, regardless of the measurement system.
Is this tool free to use?
Absolutely! Our unit converter is completely free to use with no registration required. You can use it as many times as you need for any conversion calculations.
About Unit Conversion
Unit conversion is the process of converting a measurement from one unit to another within the same measurement system or between different measurement systems. This is essential in many fields including science, engineering, cooking, travel, and everyday life.
Our unit converter supports conversions across multiple categories including length (meters, feet, miles, kilometers), weight (grams, kilograms, pounds, ounces), temperature (Celsius, Fahrenheit, Kelvin), area (square meters, square feet, acres), volume (liters, gallons, cubic meters), speed (miles per hour, kilometers per hour, meters per second), time (seconds, minutes, hours, days), and data storage (bytes, kilobytes, megabytes, gigabytes).
Whether you need to convert grams to kilograms for cooking, miles to kilometers for travel planning, or inches to centimeters for DIY projects, our free online unit converter provides accurate and instant results.