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Lightning-Fast Temperature Converter

Convert temperatures instantly between Celsius, Fahrenheit, Kelvin, and Rankine. Free, accurate, and works offline.

Quick Temperature Converter

°C
°F

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Popular Conversions

🌡️

Celsius to Fahrenheit

Convert °C to °F

🌡️

Fahrenheit to Celsius

Convert °F to °C

🔬

Kelvin Converter

Scientific temperature scale

⚙️

Rankine Converter

Engineering temperature conversion

Quick Reference Table

Celsius (°C)Fahrenheit (°F)Kelvin (K)Context
-40°C -40°F233.15 KExtremely cold
-30°C -22°F243.15 KVery cold
-20°C -4°F253.15 KCold winter day
-10°C 14°F263.15 KFreezing
0°C 32°F273.15 KWater freezes
10°C 50°F283.15 KCool day
20°C 68°F293.15 KRoom temperature
30°C 86°F303.15 KWarm day
40°C 104°F313.15 KHot day
50°C 122°F323.15 KVery hot
60°C 140°F333.15 KExtremely hot
70°C 158°F343.15 KDesert heat
80°C 176°F353.15 KDangerously hot
90°C 194°F363.15 KNear boiling
100°C 212°F373.15 KWater boils
Extremely cold
-40°C
=
-40°F
=
233.15K
Very cold
-30°C
=
-22°F
=
243.15K
Cold winter day
-20°C
=
-4°F
=
253.15K
Freezing
-10°C
=
14°F
=
263.15K
Water freezes
0°C
=
32°F
=
273.15K
Cool day
10°C
=
50°F
=
283.15K
Room temperature
20°C
=
68°F
=
293.15K
Warm day
30°C
=
86°F
=
303.15K
Hot day
40°C
=
104°F
=
313.15K
Very hot
50°C
=
122°F
=
323.15K
Extremely hot
60°C
=
140°F
=
333.15K
Desert heat
70°C
=
158°F
=
343.15K
Dangerously hot
80°C
=
176°F
=
353.15K
Near boiling
90°C
=
194°F
=
363.15K
Water boils
100°C
=
212°F
=
373.15K

Conversion Formulas

Formula

°F = (°C × 9/5) + 32
↓

Step-by-Step

  1. 1Take the temperature in Celsius
  2. 2Multiply by 9/5 (or 1.8)
  3. 3Add 32 to the result
  4. 4The result is the temperature in Fahrenheit
↓

Example

Convert 20°C to Fahrenheit: (20 × 9/5) + 32 = 36 + 32 = 68°F
Disclaimer: This temperature converter provides calculations for informational and educational purposes only. For medical decisions (such as assessing body temperature or fever), cooking safety, industrial applications, or any situation where precise temperature measurements are critical, please consult with a qualified professional or use calibrated instruments. Always verify important temperature readings with appropriate equipment and expertise.

✨ Why Use TempConvert?

  • ⚡⚡ Instant real-time conversion
  • 📱📱 Mobile-optimized interface
  • 🔒🔒 Works offline - no internet required
  • 🆓🆓 Completely free to use
  • 🎯🎯 Accurate to 2 decimal places

🌡️ Common Temperatures

  • Water freezes: 0°C = 32°F = 273.15 K
  • Room temperature: 20°C = 68°F = 293.15 K
  • Body temperature: 37°C = 98.6°F = 310.15 K
  • Water boils: 100°C = 212°F = 373.15 K

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