How to Convert Degree Centigrade to Degree Fahrenheit. 1 °C = 1.8 °F 1 °F = 0.5555555556 °C. Example: convert 15 °C to °F: 15 °C = 15 × 1.8 °F = 27 °F. Convert Degree Centigrade to Other Temperature Interval Units fahrenheit; 20 °c: 68.00 °f: 21 °c: 69.80 °f: 22 °c: 71.60 °f: 23 °c: 73.40 °f: 24 °c: 75.20 °f: 25 °c: 77.00 °f: 26 °c: 78.80 °f: 27 °c: 80.60 °f: 28 °c: 82.40 °f: 29 °c: 84.20 °f: 30 °c: 86.00 °f: 31 °c: 87.80 °f: 32 °c: 89.60 °f: 33 °c: 91.40 °f: 34 °c: 93.20 °f: 35 °c: 95.00 °f: 36 °c: 96.80 °f: 37 °c: 98. Instant free online tool for Celsius to Fahrenheit conversion or vice versa. The Celsius [°C] to Fahrenheit [°F] conversion table and conversion steps are also listed. Also, explore tools to convert Celsius or Fahrenheit to other temperature units or learn more about temperature conversions. You are currently converting Temperature units from Celsius to Fahrenheit. 21 Celsius (°C) = 69.8 Fahrenheit (°F) Visit 21 Fahrenheit to Celsius Conversion ar4w7v.