converters
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, and scientific Kelvin scales with exact thermodynamic formulas.
Calculated locally in browser.
Unit Converters
Temperature Converter
°C
°F
°F = (°C × 9/5) + 32 | K = °C + 273.15
Quick Reference Conversion Table (°C to °F)
| Celsius (°C) | Fahrenheit (°F) |
|---|---|
| 0 °C | 32 °F |
| 20 °C | 68 °F |
| 37 °C | 98.6 °F |
| 100 °C | 212 °F |
| -40 °C | -40 °F |
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How to Use Temperature Converter
1
Enter Temperature
Input temperature value (e.g. 100 or -40).
2
Choose Scales
Select source and target scales (°C, °F, K, °R).
3
View Formula
See the exact algebraic calculation steps.
About Temperature Converter
Applies thermodynamic linear equations (F = C * 1.8 + 32, K = C + 273.15) with strict floating point precision.
Supported Formats
MetricImperialSI
Operational Limits
- •Temperatures below absolute zero (0 K or -273.15 °C) are physically impossible
Key Features
- Celsius, Fahrenheit, Kelvin, and Rankine support
- Displays standard conversion formulas (°F = °C * 9/5 + 32)
- Real-world reference markers (Water Freezing, Boiling, Room Temp)
- Instant unit swap
Frequently Asked Questions
-40° Celsius is exactly equal to -40° Fahrenheit.
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