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Unit Converter — Length, Weight, Temperature, Volume

Converter

Convert between all major measurement units across four categories: length (km, m, cm, mm, miles, yards, feet, inches), weight (kg, g, mg, lb, oz, metric ton), temperature (°C, °F, Kelvin), and volume (litres, ml, US gallons, quarts, cups, tablespoons).

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Next Step — Complete Your Workflow

Calculate Difference % →

Find the percentage difference between two converted values

How to use Unit Converter — Length, Weight, Temperature, Volume

1Enter your values in the fields above.
2Results calculate instantly as you type — no button click needed for most tools.
3Copy the result using the Copy button.
4Use the Next Step workflow to chain into related tools.
5All processing runs locally in your browser. No data is transmitted.

Frequently Asked Questions

How many cm in an inch?

1 inch = 2.54 centimeters exactly. 1 foot = 30.48 cm. 1 meter = 39.37 inches.

How to convert Celsius to Fahrenheit?

°F = (°C × 9/5) + 32. Key references: 0°C = 32°F (freezing), 100°C = 212°F (boiling), 37°C = 98.6°F (body temp).

What is 1 kg in pounds?

1 kilogram = 2.20462 pounds. 1 pound = 0.453592 kg.