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
K = °C + 273.15
°R = (°C + 273.15) × 9/5
Reference points
- Absolute zero: 0 K = −273.15 °C = −459.67 °F = 0 °R
- Water freezes: 273.15 K = 0 °C = 32 °F = 491.67 °R
- Water boils (1 atm): 373.15 K = 100 °C = 212 °F = 671.67 °R
- Human body: ≈ 310.15 K ≈ 37 °C ≈ 98.6 °F
Related tools
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.