Free Unit Converter
Convert length, weight, temperature, area and volume units quickly and easily. Fast, simple and completely free.
How to Use the Unit Converter
ToolNest Unit Converter allows you to quickly convert values between commonly used measurement units. Select a category, enter your value, choose the original unit and select the unit you want to convert to.
The result is calculated instantly in your browser without requiring an account or sending your conversion data to a server.
Supported Unit Categories
The converter currently supports several common measurement categories.
- Length
- Weight
- Temperature
- Area
- Volume
Length Conversion
Length conversions can be useful when working with meters, kilometers, centimeters, millimeters, inches, feet, yards and miles.
Weight Conversion
Weight conversions allow you to convert between units such as kilograms, grams, pounds and ounces.
Temperature Conversion
Temperature can be converted between Celsius, Fahrenheit and Kelvin. Temperature conversion uses different formulas from ordinary unit multiplication.
Area Conversion
Area conversion can be useful for land, property, rooms and other measurements. The converter supports square meters, square kilometers, square feet, square yards and acres.
Volume Conversion
Volume units can be useful when measuring liquids and other quantities. The converter supports liters, milliliters, cubic meters, gallons and cubic feet.
Frequently Asked Questions
Is the Unit Converter free?
Yes. ToolNest Unit Converter is free to use and does not require an account.
Which units can I convert?
You can convert common length, weight, temperature, area and volume units.
Does the converter work on mobile phones?
Yes. The Unit Converter is designed to work on mobile phones, tablets and desktop computers.
Is my conversion data stored?
No. The calculations are performed directly in your browser and the entered value is not stored by the converter.
Can I convert decimal values?
Yes. Decimal values such as 2.5, 10.75 or 0.25 can be entered into the converter.