Converting Temperature Easily
Convert between Celsius, Fahrenheit, Kelvin, Rankine, and more.
Temperature Converter
Temperature Conversion Charts
Below you'll find several charts helping you in converting Celsius to Fahrenheit or Fahrenheit to Celsius and more.
Converting to Celsius (°C)
Below is a table that explains each temperature conversion formula to Celsius:
| Conversion | Formula | Explanation |
|---|
| Fahrenheit to Celsius | °C = (°F − 32) × (5/9) | Remove 32 from the Fahrenheit value, then multiply by 5/9. |
| Kelvin to Celsius | °C = Kelvin − 273.15 | Subtract 273.15 from the Kelvin value to get Celsius. |
| Rankine to Celsius | °C = (Rankine − 491.67) × (5/9) | Subtract 491.67 from Rankine, then multiply by 5/9. |
| Delisle to Celsius | °C = 100 − (Delisle × (2/3)) | Multiply Delisle by 2/3, then subtract from 100. |
| Newton to Celsius | °C = Newton × (100/33) | Multiply the Newton value by 100/33 to get Celsius. |
| Reaumur to Celsius | °C = Reaumur × (5/4) | Multiply the Reaumur value by 5/4; 80 °Ré equals 100 °C. |
| Rømer to Celsius | °C = (Rømer − 7.5) × (40/21) | Subtract 7.5 from Rømer, then multiply by 40/21. |
Converting to Fahrenheit (°F)
Below is a concise table for converting various temperature scales to Fahrenheit:
| Conversion | Formula | Explanation |
|---|
| Celsius to Fahrenheit | F = C × (9/5) + 32 | Multiply °C by 9/5 and add 32. |
| Kelvin to Fahrenheit | F = (K − 273.15) × (9/5) + 32 | Subtract 273.15 from K, multiply by 9/5, then add 32. |
| Rankine to Fahrenheit | F = R − 459.67 | Subtract 459.67 from Rankine (since R = F + 459.67). |
| Delisle to Fahrenheit | F = 212 − (Delisle × (6/5)) | Multiply Delisle by 6/5 and subtract from 212. |
| Newton to Fahrenheit | F = (Newton × (60/11)) + 32 | Convert Newton to °C then to °F: multiply Newton by 60/11, then add 32. |
| Reaumur to Fahrenheit | F = (Reaumur × (9/4)) + 32 | Multiply Reaumur by 9/4 and add 32. |
| Rømer to Fahrenheit | F = ((Rømer − 7.5) × (24/7)) + 32 | Subtract 7.5 from Rømer, multiply by 24/7, then add 32. |
Converting to Kelvin (K)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Kelvin | K = (°F − 32) × (5/9) + 273.15 | Subtract 32, multiply by 5/9, then add 273.15. |
| Celsius → Kelvin | K = °C + 273.15 | Add 273.15 to the Celsius value. |
| Rankine → Kelvin | K = °R × (5/9) | Multiply the Rankine temperature by 5/9. |
| Delisle → Kelvin | K = 373.15 − (°De × 2/3) | First convert Delisle to Celsius: °C = 100 − (°De × 2/3). Then add 273.15. |
| Newton → Kelvin | K = 273.15 + (°N × 100/33) | From Newton to Celsius: °C = °N × (100/33). Then add 273.15. |
| Réaumur → Kelvin | K = 273.15 + (°Ré × 5/4) | From Réaumur to Celsius: °C = °Ré × (5/4). Then add 273.15. |
| Rømer → Kelvin | K = 273.15 + ( (°Rø − 7.5) × 40/21 ) | From Rømer to Celsius: °C = (°Rø − 7.5) × (40/21). Then add 273.15. |
Converting to Rankine (°R)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Rankine | °R = °F + 459.67 | Rankine is Fahrenheit plus 459.67. |
| Celsius → Rankine | °R = (°C + 273.15) × (9/5) | Convert Celsius to Kelvin, then multiply by 9/5. |
| Kelvin → Rankine | °R = K × (9/5) | Multiply Kelvin by 9/5. |
| Delisle → Rankine | °R = [ 100 − (°De × 2/3 ) + 273.15 ] × (9/5) | First get °C from Delisle, then convert °C to Rankine. |
| Newton → Rankine | °R = [ (°N × 100/33) + 273.15 ] × (9/5) | From Newton to Celsius, then to Rankine. |
| Réaumur → Rankine | °R = [ (°Ré × 5/4) + 273.15 ] × (9/5) | From Réaumur to Celsius, then Celsius to Rankine. |
| Rømer → Rankine | °R = [ (°Rø − 7.5) × 40/21 + 273.15 ] × (9/5) | From Rømer to Celsius, then Celsius to Rankine. |
Converting to Delisle (°De)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Delisle | °De = 100 − [ (°F − 32) × (5/9) × (3/2) ] | Convert Fahrenheit to Celsius, then apply Delisle formula: °De = 100 − (°C × 3/2). |
| Celsius → Delisle | °De = 100 − (°C × 3/2) | Multiply °C by 3/2, then subtract from 100. |
| Kelvin → Delisle | °De = 100 − [ (K − 273.15) × (3/2) ] | First convert Kelvin to Celsius, then apply Delisle formula. |
| Rankine → Delisle | °De = 100 − [ (°R − 491.67) × (5/9) × (3/2) ] | Rankine to Celsius, then Celsius to Delisle. |
| Newton → Delisle | °De = 100 − [ (°N × 100/33) × (3/2) ] | Newton to Celsius, then multiply by 3/2, subtract from 100. |
| Réaumur → Delisle | °De = 100 − [ (°Ré × 5/4) × (3/2) ] | Réaumur to Celsius, then Celsius to Delisle. |
| Rømer → Delisle | °De = 100 − [ ( (°Rø − 7.5) × 40/21 ) × (3/2 ) ] | Rømer to Celsius, then Celsius to Delisle. |
Converting to Newton (°N)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Newton | °N = (°F − 32) × (5/9) × (33/100) | Fahrenheit to Celsius, then Celsius to Newton: °N = °C × 33/100. |
| Celsius → Newton | °N = °C × (33/100) | Multiply Celsius by 33/100. |
| Kelvin → Newton | °N = (K − 273.15) × (33/100) | Kelvin to Celsius, then Celsius to Newton. |
| Rankine → Newton | °N = [ (°R − 491.67) × (5/9) ] × (33/100) | Rankine to Celsius, then Celsius to Newton. |
| Delisle → Newton | °N = [ 100 − (°De × 2/3) ] × (33/100) | Delisle to Celsius, then multiply by 33/100. |
| Réaumur → Newton | °N = [ (°Ré × 5/4) ] × (33/100) | Réaumur to Celsius, then Celsius to Newton. |
| Rømer → Newton | °N = [ (°Rø − 7.5) × 40/21 ] × (33/100) | Rømer to Celsius, then Celsius to Newton. |
Converting to Réaumur (°Ré)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Réaumur | °Ré = (°F − 32) × (5/9) × (4/5) | Fahrenheit to Celsius, then multiply by 4/5. |
| Celsius → Réaumur | °Ré = °C × (4/5) | Multiply Celsius by 4/5. |
| Kelvin → Réaumur | °Ré = (K − 273.15) × (4/5) | Kelvin to Celsius, then Celsius to Réaumur. |
| Rankine → Réaumur | °Ré = [ (°R − 491.67) × (5/9) ] × (4/5) | Rankine to Celsius, then multiply by 4/5. |
| Delisle → Réaumur | °Ré = [ 100 − (°De × 2/3) ] × (4/5) | Delisle to Celsius, then Celsius to Réaumur. |
| Newton → Réaumur | °Ré = [ (°N × 100/33) ] × (4/5) | Newton to Celsius, then multiply by 4/5. |
| Rømer → Réaumur | °Ré = [ (°Rø − 7.5) × 40/21 ] × (4/5) | Rømer to Celsius, then Celsius to Réaumur. |
Converting to Rømer (°Rø)
| Conversion | Formula | Explanation |
|---|
| Fahrenheit → Rømer | °Rø = [ (°F − 32) × (5/9) ] × (21/40) + 7.5 | Fahrenheit to Celsius, then Celsius to Rømer: °Rø = °C × 21/40 + 7.5. |
| Celsius → Rømer | °Rø = (°C × 21/40) + 7.5 | Multiply Celsius by 21/40, then add 7.5. |
| Kelvin → Rømer | °Rø = [ (K − 273.15) ] × (21/40) + 7.5 | Kelvin to Celsius, then Celsius to Rømer. |
| Rankine → Rømer | °Rø = [ (°R − 491.67) × (5/9) ] × (21/40) + 7.5 | Rankine to Celsius, then Celsius to Rømer. |
| Delisle → Rømer | °Rø = [ 100 − (°De × 2/3 ) ] × (21/40) + 7.5 | Delisle to Celsius, then Celsius to Rømer. |
| Newton → Rømer | °Rø = [ (°N × 100/33) ] × (21/40) + 7.5 | Newton to Celsius, then Celsius to Rømer. |
| Réaumur → Rømer | °Rø = [ (°Ré × 5/4) ] × (21/40) + 7.5 | Réaumur to Celsius, then Celsius to Rømer. |
