Unit Converter
Convert length, weight, volume, temperature, area and data — metric first, with imperial and US units too.
LengthWeightVolumeTemperatureAreaData
1 mm =
0.1 cm
All units
| mm | 1 |
| cm | 0.1 |
| m | 0.001 |
| km | 1.0000e-6 |
| in | 0.03937 |
| ft | 0.003281 |
| yd | 0.001094 |
| mi | 6.2137e-7 |
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Common conversions
- Length: 1 km ≈ 0.621 mi; 1 m ≈ 3.2808 ft; 1 in = 2.54 cm.
- Weight: 1 kg ≈ 2.2046 lb; 1 lb = 0.4536 kg; 1 tonne = 1,000 kg.
- Volume: 1 litre ≈ 0.264 US gal; 1 US gallon = 3.78541 L; 1 imperial gallon = 4.54609 L.
- Temperature: °C = (°F − 32) × 5/9; K = °C + 273.15.
- Data: based on 1 KB = 1,024 bytes (binary).
India is metric first, so metric units appear at the top of each category. Volume also offers both US and imperial gallons so you can match the source. All conversions run locally in your browser.
Frequently Asked Questions
- Does India use the metric system?
- Yes. India officially uses the metric (SI) system — kilometres, kilograms, litres and degrees Celsius. Imperial and US units are still seen on imported products and international content, so they are included here too.
- How do I convert centimetres to inches?
- 1 inch = 2.54 cm, so cm ÷ 2.54 = inches. For example, 180 cm ≈ 70.9 inches.
- How do I convert kilograms to pounds?
- 1 kg = 2.20462 lb, and 1 lb = 0.453592 kg. So 70 kg ≈ 154.3 lb.
- How do I convert kilometres to miles?
- 1 km ≈ 0.62137 miles, and 1 mile = 1.609344 km. India uses km for road distances and speed limits.
📅 Last updated: June 2026 · Formulas follow standard banking / tax conventions · Results are for reference only.