Unit Converter Online Free
Converter• Free • No login • Browser-based • India 2026
Convert between all major units: km to miles, kg to lbs, Celsius to Fahrenheit, litres to gallons instantly.
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About Unit Converter
Convert between length (km, m, cm, miles, feet, inches), weight (kg, g, lb, oz), temperature (°C, °F, K), and volume (L, ml, gallon, cup).
Unit Converter is a free, browser-based utility that requires no login, no signup, and no installation. All processing happens entirely within your web browser using JavaScript — your data never leaves your device. The tool works on all screen sizes including mobile phones, tablets, and desktop computers.
How to use
- Enter your values in the input fields — results update instantly as you type.
- No submit button needed. The tool calculates in real time.
- Copy your result or share it via WhatsApp or Twitter using the buttons above.
- Use the workflow links below to chain into related tools for a complete task.
- All processing is browser-only. Nothing you enter is sent to any server.
Tool details
Cost
Free forever
Privacy
No data sent
Speed
Instant result
Device
Any screen
⚡ Next step — complete your workflow
Frequently asked questions
Cm in an inch?
1 inch = 2.54 cm exactly. 1 foot = 30.48 cm. 1 meter = 39.37 inches.
Celsius to Fahrenheit?
°F = (°C × 9/5) + 32. Key: 0°C=32°F, 100°C=212°F, 37°C=98.6°F.
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