Temperature Unit Converter

Type any value and see the other three update instantly.

Formulas

°F = °C × 9/5 + 32
K = °C + 273.15
°R = (°C + 273.15) × 9/5

Reference points

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FAQs

What is absolute zero?

0 K = −273.15 °C = −459.67 °F = 0 °R.

Is a 1 K change the same as a 1 °C change?

Yes — only the offset differs.