Unit Converter
Length, weight, temperature, volume, area, speed, time and data — converted instantly.
Popular conversions
How to use the Unit Converter
- Pick a category tab — Temperature, Length, Weight, Volume, Area, Speed, Time or Data.
- Enter your value and choose the From and To units, or tap a popular-conversion chip like 25 °C → °F.
- Read the big result plus the exact "1 X = Y Z" rate line, and use Copy result to paste it anywhere.
Unit Converter FAQs
How do I convert Celsius to Fahrenheit?
Multiply by 9/5 and add 32: °F = (°C × 9/5) + 32. So 25 °C is 77 °F. The Temperature tab does this instantly — pick Celsius and Fahrenheit and type your value.
How many kilometers are in a mile?
One mile is exactly 1.609344 kilometers, so 10 miles is about 16.09 km. Use the Length tab with Kilometer and Mile for any distance conversion.
How do I convert inches to centimeters?
Multiply inches by 2.54 — one inch is exactly 2.54 cm, so 12 inches is 30.48 cm. The Length tab converts it live as you type.
How many pounds are in a kilogram?
One kilogram equals 2.20462 pounds, so 70 kg is about 154.3 lb. Pick the Weight tab for kilogram, gram, pound and ounce conversions.
Is my data sent anywhere when I convert units?
No. Every conversion runs entirely in your browser — the numbers you type never leave your device, and the tool keeps working once the page has loaded.
Free Unit Converter — Celsius to Fahrenheit, km to Miles, lb to kg & 50+ Units
This free unit converter handles the conversions people search for every day: Celsius to Fahrenheit, kilometers to miles, inches to centimeters, pounds to kilograms, liters to gallons and tablespoons to cups — plus area, speed, time and data units. Type a value and the answer appears instantly, with the exact exchange rate shown so you can double-check the math.
How to use it, step by step
- Pick a category tab — Temperature, Length, Weight, Volume, Area, Speed, Time or Data.
- Enter your value, choose the From and To units (or tap a popular-conversion chip like 25 °C → °F).
- Read the large result together with the "1 X = Y Z" rate line, and use Copy result to paste it anywhere.
Popular uses
- Travel: convert miles to kilometers, °F weather to °C, and gallons to liters for fuel.
- Cooking: tablespoons to cups, milliliters to fluid ounces, grams to ounces.
- Fitness: pounds to kilograms, inches to centimeters, feet to meters.
- School and work: area, speed, time and data-unit conversions with exact published rates.