20 Celsius to Fahrenheit (20 °C to °F)
20 Celsius equals 68 Fahrenheit. Below is the formula, the worked arithmetic, and what 20 °C typically represents in everyday use.
Formula and worked answer
Formula
°F = °C × 1.8 + 32
Substituting 20 for °C: 20 × 1.8 + 32 = 68 °F. The factor 1.8 comes from the exact international definition of the degree Celsius relative to the degree Fahrenheit, so this answer is precise rather than rounded.
What does 20 Celsius represent?
20 degrees Celsius (68 °F) is the standard "room temperature" used in international scientific protocols, ISO testing standards, and many laboratory reference conditions. Converted to Fahrenheit it is exactly 68 °F, which sits just below the 70 °F figure US thermostat manuals recommend as a comfortable indoor setting. The 20 °C figure is also the storage temperature specified in many pharmaceutical and food-safety regulations published in metric jurisdictions, with the US-equivalent 68 °F printed on product packaging for the same item sold in the US. For environmental engineers comparing HVAC specifications between metric and US standards, 20 °C = 68 °F is one of the most frequently used conversions.
Values near 20 °C
- 15 °C=59 °F
- 16 °C=60.8 °F
- 17 °C=62.6 °F
- 18 °C=64.4 °F
- 19 °C=66.2 °F
- 21 °C=69.8 °F
- 22 °C=71.6 °F
- 23 °C=73.4 °F
- 24 °C=75.2 °F
- 25 °C=77 °F
°C to °F reference table around 20
| °C | °F |
|---|---|
| 10 °C | 50 °F |
| 15 °C | 59 °F |
| 19 °C | 66.2 °F |
| 20 °C | 68 °F |
| 21 °C | 69.8 °F |
| 25 °C | 77 °F |
| 30 °C | 86 °F |
| 40 °C | 104 °F |
Convert a different value
Looking for a different number of Celsius? Use the full °C to °F converter to enter any value, see the worked formula, and read the full background on the degree Celsius and the degree Fahrenheit. To go the other direction, the °F to °C converter applies the inverse factor and is the page to bookmark if you usually start in Fahrenheit.