Unit Converter
Convert length, weight, temperature & area units
About Unit Converter
Unit conversion is needed daily by students, engineers, cooks, travellers and developers. This free Unit Converter handles length (km, miles, feet, metres), weight (kg, lbs, grams, ounces), temperature (Celsius, Fahrenheit, Kelvin), area, volume and more — all in one clean interface. Enter any value and instantly get the converted result in your chosen unit.
How to Use Unit Converter
- 1Select the measurement category: Length, Weight, Temperature, Area, etc.
- 2Choose the "From" unit and enter a value.
- 3Choose the "To" unit.
- 4The converted value appears instantly.
Common Use Cases
For temperature: °F = (°C × 9/5) + 32. For quick mental math, double the Celsius value and add 30 for an approximate Fahrenheit.
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Frequently Asked Questions
How do I convert kilometers to miles?
1 kilometer = 0.621371 miles. To convert km to miles, multiply by 0.621371. For example, 100 km = 100 × 0.621371 = 62.14 miles. To convert miles to km, multiply by 1.60934.
How do I convert Celsius to Fahrenheit?
°F = (°C × 9/5) + 32. For example: 37°C (body temperature) = (37 × 9/5) + 32 = 66.6 + 32 = 98.6°F. To convert Fahrenheit to Celsius: °C = (°F - 32) × 5/9.
How do I convert kg to lbs?
1 kilogram = 2.20462 pounds. Multiply kilograms by 2.20462 to get pounds. For example, 70 kg = 70 × 2.20462 = 154.32 lbs. To convert lbs to kg, divide by 2.20462 (or multiply by 0.453592).
What is the difference between square meters and square feet?
1 square meter = 10.7639 square feet. For real estate: a 1,000 sq ft apartment is approximately 92.9 square meters. India commonly uses square feet for property; Europe and most of the world use square meters.