Celsius to Fahrenheit Converter
Temperature conversion workspace
Enter a decimal, fraction or quick calculation — for example 12.5, 3/8 or (12*4)+6.5.
Batch conversionconvert up to 100 values at once
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Compare all temperature units
One input, every supported equivalent. Select any row as the main target.
| Unit | Equivalent | Target action |
|---|---|---|
| Celsius °C | 0 | SourceSource |
| Fahrenheit °F | 32 | TargetSelected |
| Kelvin K | 273.15 | |
| Rankine °R | 491.67 |
Use this Celsius-to-Fahrenheit reference to compare weather, cooking and everyday temperatures across the two widely encountered scales.
Curated referenceFormula
°F = (°C × 9/5) + 32
Calculations use the central unit catalog and preserve precision until the result is formatted.
Reference conversions
Fixed reference values use en-US formatting and up to 12 significant digits.
| Input | From | To | Result |
|---|---|---|---|
| -40 | Celsius | Fahrenheit | -40 |
| 0 | Celsius | Fahrenheit | 32 |
| 20 | Celsius | Fahrenheit | 68 |
| 37 | Celsius | Fahrenheit | 98.6 |
| 100 | Celsius | Fahrenheit | 212 |
Related temperature conversions
Curated references with worked examples, formulas and the full interactive converter.
Frequently asked questions
How do I convert celsius to fahrenheit?
Use °F = (°C × 9/5) + 32. Enter a value in the calculator to keep full numeric precision until the result is formatted.
What is 1 °C in °F?
1 °C equals 33.8 °F.
Are the displayed results rounded?
The conversion uses the sourced catalog definitions and retains full JavaScript number precision until display formatting is applied.
Accuracy & transparency
Sources & methodology
Calculations keep full numeric precision until display formatting. These references describe the definitions, variants or factors used; links do not imply affiliation.
SI definitions and published coefficients for selected non-SI units.
Reference factors and named variants for commonly used units, including US liquid cooking measures and British stone.
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