Use this converter when the source value, representation, or measurement unit is known and you need the equivalent value in a supported target form without changing its underlying meaning.

Temperature

Required number input.

From scale

Required string input.

To scale

Required string input.

Convert temperatures between Celsius, Fahrenheit, Kelvin, Rankine, and historical temperature scales. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Converted temperature

The resulting converted temperature returned as a number.

Scale

The resulting scale returned as a string.

• A conversion is only valid when the input convention is identified correctly. Unit systems, character encodings, byte order, color profiles, reference conditions, rounding, and calendar or time-zone rules can make superficially similar values non-equivalent.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Keep the original value and its unit or encoding alongside the result. For interchange, also validate the output against the receiving format, standard, color profile, or reference conditions.

• Absorbed Dose Converter

  Convert absorbed radiation dose between grays and rads; this is energy deposited per unit mass, not equivalent dose.

• Convert Acceleration

  Convert finite acceleration values between supported units.

• Convert Amount of Substance

  Convert finite amount of substance values between supported units.