CalcNest

Unit Converters

Two measurement systems, one planet, endless conversions. These converters handle the pairs people look up every day — centimeters to inches, kilograms to pounds, Celsius to Fahrenheit and back — each with a reference chart, the exact conversion factor, and the mental-math shortcut. All conversions run instantly in your browser and work offline.

  • CM to Inches

    Convert centimeters to inches instantly: divide by 2.54.

  • Inches to CM

    Convert inches to centimeters instantly: multiply by 2.54.

  • KG to LBS

    Convert kilograms to pounds instantly: multiply by 2.20462.

  • LBS to KG

    Convert pounds to kilograms instantly: divide by 2.20462 (or multiply by 0.4536).

  • Celsius to Fahrenheit

    Convert Celsius to Fahrenheit: multiply by 9/5 and add 32.

  • Fahrenheit to Celsius

    Convert Fahrenheit to Celsius: subtract 32, then multiply by 5/9.

  • Miles to KM

    Convert miles to kilometers instantly: multiply by 1.609.

  • KM to Miles

    Convert kilometers to miles instantly: multiply by 0.6214.

  • Feet to Meters

    Convert feet to meters instantly: multiply by 0.3048.

  • Meters to Feet

    Convert meters to feet instantly: multiply by 3.2808.

  • ML to OZ

    Convert milliliters to US fluid ounces instantly: divide by 29.574.

  • OZ to ML

    Convert US fluid ounces to milliliters instantly: multiply by 29.574.