Temperature Converter
Quick Reference
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The most comprehensive browser-based temperature converter available. Enter a value in any of 8 scales - Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), Réaumur (°Ré), Delisle (°De), Newton (°N), and Rømer (°Rø) - and instantly see the equivalent in all others. A quick-reference panel lets you load common temperatures with one click: absolute zero (−273.15°C), water freezing (0°C), room temperature (22°C), body temperature (37°C), water boiling (100°C), oven temperature (180°C), and the Sun's surface (5505°C). Hover any result card to copy the value to clipboard. All conversions are computed to 8 significant figures. 100% browser-based - no server calls.
How to Use
- 1Select your source scale (Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, or Rømer)
- 2Enter the temperature value in the input field
- 3Click 'Convert' or press Enter to see all 8 scales simultaneously
- 4Hover any result card and click the copy icon to copy that value
- 5Use the Quick Reference buttons to load common temperatures like body temp (37°C) or absolute zero
Features
- 8 temperature scales: Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, Rømer
- All scales shown simultaneously - enter in any, see all others
- 8 quick-reference presets: absolute zero, freezing, room temp, body temp, boiling, oven, Sun surface
- Hover-to-copy for every result card
- High-precision output (8 significant figures) using exact SI formulas
- Handles extreme values with scientific notation (e.g. Sun surface, absolute zero)
- 100% browser-based - no data sent anywhere
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