Temperature Scale Converter

Free online temperature unit converter.

Convert between all temperature units instantly with accurate results, formulas, and reference tables.

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Frequently Asked Questions

Common questions about the Temperature Scale Converter

Different zero points and degree sizes. Water freezes: 0°C = 32°F = 273.15K = 491.67°R.

Sources & References

International System of Units (SI): thermodynamic temperature

Thermodynamic temperature is measured in the kelvin (K); °C and °F by defined relations. Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.

International System of Units (SI)

Authoritative definitions for thermodynamic temperature, from the BIPM SI Brochure (9th edition), the defining reference for the SI.