Common conversions people search for
Kilometers to miles: multiply km by 0.621371. So 5 km = 3.11 miles, and 42.2 km (a marathon) ≈ 26.2 miles.
Kilograms to pounds: multiply kg by 2.20462. So 70 kg ≈ 154.3 lbs — handy for gym goals and luggage limits.
Celsius to Fahrenheit: (°C × 9/5) + 32. Room temperature, 21°C, is about 70°F.
Unit Converter Hub covers length, weight, mass, temperature, speed, area and volume — all calculated locally in your browser, so results are instant and your numbers never leave your device.
Frequently asked questions
How many miles is 1 kilometer?
1 kilometer equals 0.621371 miles. Multiply any km value by 0.621371 to get miles.
How do I convert kg to lbs?
Multiply the weight in kilograms by 2.20462. For example, 10 kg = 22.0462 lbs.
What is the formula to convert Celsius to Fahrenheit?
Fahrenheit = (Celsius × 9/5) + 32. 0°C = 32°F, and 100°C = 212°F.
Is this unit converter free to use?
Yes — completely free, no sign-up, no limits, and it works offline once loaded.