23 Fahrenheit to Celsius Conversion breakdown and explanation
Following the formula above if you want to get degrees Celsius you have to subtract 32 from degrees Fahrenheit multiply the result by 5 and divide it by 9.
So in case with 23 we have: ((23 - 32) × 5) ÷ 9 = (-9 × 5) ÷ 9 = -45 ÷ 9 = -5 °C