Temperature Converter
Quick Reference
• Water freezes: 0°C = 32°F = 273.15K
• Water boils: 100°C = 212°F = 373.15K
• Room temperature: ~20°C = 68°F
• Body temperature: 37°C = 98.6°F
• Absolute zero: -273.15°C = -459.67°F = 0K
• Formula: °F = (°C × 9/5) + 32
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Similar Tools
350°F Is Not Exactly 175°C — and That's Fine
The formula gives 350°F = 176.67°C, which every recipe rounds to 175°C because oven thermostats are not that precise anyway — a ±10-15°C swing is normal between appliances. The useful anchor points: 20°C is 68°F (room temperature), body temperature 37°C is 98.6°F, and −40 is the one value where both scales agree. Freezing and boiling anchor the rest: 0°C/32°F and 100°C/212°F at standard pressure.
Kelvin Has No Degrees, and Wind Chill Is Not Temperature
Two details trip up careful people. Kelvin is written K, never °K, and it never goes negative — absolute zero, 0 K, is −273.15°C, the floor where molecular motion stops, so a '−5 K' input is a physics error, not a cold day. And a forecast's feels-like or wind-chill figure is a derived comfort index, not the air temperature; converting the wrong one of the two is why a '68°F day' can still require a coat.
About Temperature Converter
Three audiences meet in one converter: cooks translating an American recipe's 350°F oven into a European dial, travelers packing for a forecast quoted in a scale they don't think in, and students and engineers who need Kelvin for gas-law problems or thermodynamics. Each conversion is a single lookup here, and unlike mental arithmetic, it does not drift when the number is unusual — nobody should be estimating 233 K in their head.
How to Use
Step 1
Enter the temperature value
Step 2
Select the unit (Celsius, Fahrenheit, or Kelvin)
Step 3
Select the target unit
Step 4
Click 'Convert' to see the result
Step 5
View quick reference for common temperatures
Features & Benefits
- ✅Convert between 3 temperature scales
- ✅Celsius (°C) - metric standard
- ✅Fahrenheit (°F) - US standard
- ✅Kelvin (K) - scientific standard
- ✅Accurate conversion formulas
- ✅Quick reference for water freezing/boiling
- ✅Common temperature examples
- ✅100% browser-based
- ✅100% free
FAQs
How do I convert Celsius to Fahrenheit?
Use the formula: °F = (°C × 9/5) + 32. For example, 20°C = (20 × 9/5) + 32 = 68°F. This converter does it automatically.
What is absolute zero?
Absolute zero is -273.15°C, -459.67°F, or 0K. It's the lowest possible temperature where all molecular motion stops.
At what temperature does water freeze and boil?
Water freezes at 0°C (32°F, 273.15K) and boils at 100°C (212°F, 373.15K) at standard atmospheric pressure.