Where do these numbers come from?
- NISTSP 811 exact unit definitions (1 in = 25.4 mm, 1 lb = 453.59237 g)current edition
- NISTHandbook 44, weights and measurescurrent edition
- King Arthur BakingIngredient Weight Chart (kitchen tools)retrieved Oct 23, 2026
Checked Oct 23, 2026. °F = °C × 9/5 + 32, so 180 °C = 356 °F; ovens usually round this to 350 °F.
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-20 °C = -4 °F
Worked example
-20 × 9/5 = -36; -36 + 32 = -4 °F.
This is below the freezing point of water (0 °C / 32 °F).
Nearby values
| Celsius | Fahrenheit |
|---|---|
| -30 °C | -22 °F |
| -28 °C | -18.4 °F |
| -26 °C | -14.8 °F |
| -24 °C | -11.2 °F |
| -22 °C | -7.6 °F |
| -20 °C | -4 °F |
| -18 °C | -0.4 °F |
| -16 °C | 3.2 °F |
| -14 °C | 6.8 °F |
| -12 °C | 10.4 °F |
| -10 °C | 14 °F |
Related
Frequently asked questions
What is -20 °C in Fahrenheit?
-4 °F.
Is -20 °C hot or cold?
This is below the freezing point of water (0 °C / 32 °F).