34 Measuring Temperature
- Room temperature
- Metric is 20° Celsius
- Imperial is 68° Fahrenheit
- Water boils
- Metric is 100°C
- Imperial is 212°F
- Water freezes
- Metric is 0°C
- Imperial is 32°F
When converting from Celsius to Fahrenheit, multiply the degrees in Celsius by 1.8, then add 32.
°Fahrenheit = °Celsius × 1.8 + 32
When converting from Fahrenheit to Celsius, subtract 32 from the degrees in Fahrenheit, then divide the difference by 1.8.
°Celsius = °Fahrenheit − 32 ÷ 1.8