Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin instantly and accurately.
Temperature conversion is different from most unit conversions because it isn't a simple multiplication — each scale has a different zero point, so converting requires both a scale factor and an offset. Celsius and Kelvin share the same scale size (one degree Celsius equals one Kelvin) but different zero points (0°C = 273.15K), while Fahrenheit uses both a different zero point and a different scale size (each Fahrenheit degree is 5/9 the size of a Celsius or Kelvin degree).
This converter applies the exact standard formulas for all three scales: Celsius to Fahrenheit multiplies by 9/5 and adds 32; Celsius to Kelvin simply adds 273.15; and conversions between Fahrenheit and Kelvin combine both steps. Enter a value in any of the three scales and instantly see the equivalent in the other two — useful for cooking (oven temperatures are often quoted differently between US and international recipes), weather, and scientific contexts.
How to use Temperature Converter
- 1
Enter your value
Type the temperature you want to convert.
- 2
Select the source scale
Choose Celsius, Fahrenheit, or Kelvin.
- 3
Select the target scale
Choose which scale you want the result in.
- 4
Read the result
The converted value updates instantly.
Features
- Covers Celsius, Fahrenheit, and Kelvin
- Uses the exact standard conversion formulas, including offsets
- Instant live conversion
- Useful for cooking, weather, and scientific contexts
Frequently asked questions
Common mistakes to avoid
- Applying only the scale factor and forgetting the offset (e.g., just multiplying by 9/5 without adding 32 for Celsius to Fahrenheit).
- Confusing a temperature value with a temperature difference — a 10°C difference equals an 18°F difference, but 10°C itself equals 50°F, not 18°F.
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