Unit Converter
Free online unit converter for length, weight, temperature, volume, and area. Convert between metric and imperial units instantly. No registration, 100% private, works in your browser.
Convert between metric and imperial units instantly. Supports length, weight, temperature, volume, and area conversions. 100% private - all calculations happen in your browser.
Quick Reference Tables
Length Conversions
| 1 centimeter | = | 0.3937 inches |
| 1 meter | = | 3.2808 feet |
| 1 kilometer | = | 0.6214 miles |
| 1 inch | = | 2.54 centimeters |
| 1 foot | = | 0.3048 meters |
| 1 mile | = | 1.6093 kilometers |
Weight Conversions
| 1 gram | = | 0.0353 ounces |
| 1 kilogram | = | 2.2046 pounds |
| 1 ounce | = | 28.3495 grams |
| 1 pound | = | 0.4536 kilograms |
| 1 stone | = | 6.3503 kilograms |
| 1 metric ton | = | 2204.62 pounds |
Temperature Conversions
| Celsius to Fahrenheit | = | (°C × 9/5) + 32 |
| Fahrenheit to Celsius | = | (°F − 32) × 5/9 |
| Celsius to Kelvin | = | °C + 273.15 |
| 0°C | = | 32°F (Freezing) |
| 100°C | = | 212°F (Boiling) |
| 37°C | = | 98.6°F (Body temp) |
Volume Conversions
| 1 liter | = | 0.2642 gallons |
| 1 milliliter | = | 0.0338 fluid ounces |
| 1 cup | = | 236.59 milliliters |
| 1 gallon | = | 3.7854 liters |
| 1 pint | = | 473.18 milliliters |
| 1 tablespoon | = | 14.787 milliliters |
Area Conversions
| 1 square meter | = | 10.764 square feet |
| 1 square kilometer | = | 0.3861 square miles |
| 1 acre | = | 4046.86 square meters |
| 1 hectare | = | 2.4711 acres |
| 1 square mile | = | 2.59 square kilometers |
| 1 square foot | = | 0.0929 square meters |
How to Use the Unit Converter
Select Category
Choose the type of conversion you need: Length, Weight, Temperature, Volume, or Area.
Enter Value
Type the value you want to convert in the input field. The conversion happens instantly as you type.
Choose Units
Select the source unit (From) and target unit (To) from the dropdown menus.
Get Result
View the converted value instantly. Click the Copy button to copy the result to your clipboard.
Frequently Asked Questions
Is this unit converter free to use?
Yes! Our unit converter is completely free with no hidden costs, ads, or usage limits. Use it as much as you need.
How accurate are the conversions?
Our converter uses precise conversion factors with up to 10 decimal places. All calculations are performed locally in your browser for maximum accuracy.
Do I need to install anything?
No installation required. The unit converter works directly in your web browser on any device - desktop, tablet, or mobile.
Is my data private?
Absolutely! All conversions happen locally in your browser. We don't collect, store, or transmit any of your data.
Can I use this offline?
Yes, after loading the page once, you can use the converter even without an internet connection.
What units are supported?
We support 50+ units across 5 categories: Length (mm, cm, m, km, in, ft, mi, etc.), Weight (mg, g, kg, oz, lb, etc.), Temperature (°C, °F, K), Volume (ml, L, tsp, cup, gal, etc.), and Area (mm², m², km², acre, ha, etc.).
How do I convert Celsius to Fahrenheit?
Select the Temperature category, enter your Celsius value, choose Celsius as the From unit and Fahrenheit as the To unit. The result appears instantly!
Can I convert between any two units?
Yes! You can convert between any units within the same category. For example, you can convert from inches to kilometers, or from grams to pounds.
About Unit Converter
Free online unit converter for length, weight, temperature, volume, and area. Convert between metric and imperial units instantly. No registration, 100% private, works in your browser.