Conversion Calculator

Universal conversion calculator for multiple unit types including length, weight, temperature, and other measurements in one tool.

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About the Conversion Calculator

This conversion calculator converts a value between units of length, weight, temperature, and other common measurements. Enter a number, choose your units, and receive the converted result right away.

Length and weight conversions rely on fixed standard factors, for example 1 inch equals 2.54 centimeters and 1 pound equals 0.45359237 kilograms. Temperature uses formulas instead, such as F = C × 9/5 + 32 for Celsius to Fahrenheit. The tool needs three inputs: the value, the source unit, and the target unit. Temperature scales are not proportional, so confirm the conversion direction matches your intent before using the result.

  • Select the measurement category you need.
  • Type the value and pick the from and to units.
  • Read the result, then convert another value if needed.