Unit Converter
Convert between units for length, weight, temperature, volume, and speed. Supports metric and imperial units with instant, accurate conversions. 100% free and private.
Instant Conversion
Get accurate unit conversions instantly with detailed formulas.
Multiple Categories
Convert length, weight, temperature, volume, and speed units.
100% Private
All conversions happen in your browser. Your data never leaves your device.
Common Conversions
Length
Weight
Temperature
Volume
Frequently Asked Questions
What units can I convert?
Our unit converter supports 5 categories: Length (meters, kilometers, miles, feet, inches, centimeters, millimeters), Weight (kilograms, grams, pounds, ounces), Temperature (Celsius, Fahrenheit, Kelvin), Volume (liters, milliliters, gallons, quarts, pints, cups), and Speed (km/h, mph, m/s).
How do I use the unit converter?
Select the conversion type (length, weight, temperature, volume, or speed), choose your "from" unit and "to" unit from the dropdowns, enter the amount you want to convert, and click the Convert button. The result will display instantly with the conversion formula and rate.
What is the formula for temperature conversion?
Temperature conversions use special formulas: Celsius to Fahrenheit: (°C × 9/5) + 32, Fahrenheit to Celsius: (°F - 32) × 5/9, Celsius to Kelvin: °C + 273.15. These are non-linear conversions unlike other unit types.
How accurate are the conversions?
All conversions use internationally recognized conversion factors and formulas. Results are calculated with high precision and rounded to 6 decimal places for practical use.
Is my data private?
Absolutely. All unit conversions happen in your browser. No data is sent to any server, ensuring complete privacy and security.