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Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin with lab-grade precision. Free interactive converter trusted by scientists, chefs and students worldwide.

Temperature Converter

Convert between Celsius, Fahrenheit, and Kelvin with precision

-100°C1000°C

Conversion Formula:

°F = (°C × 9/5) + 32
Freezing Point
0°C / 32°F / 273.15K
Body Temperature
37°C / 98.6°F / 310.15K
Boiling Point
100°C / 212°F / 373.15K

Live Weather

Current temperatures worldwide

New York
Rainy
4°C
39°F
277K

Temperature Visualizer

0.0°C
Very Hot100°C+
Hot40-100°C
Warm20-40°C
Cool0-20°C
ColdBelow 0°C

Temperature Extremes

TypeCelsius (°C)Fahrenheit (°F)Kelvin (K)Info
Absolute Hot
1.42 × 10^322.56 × 10^321.42 × 10^32
Surface of Sun
5,5009,9405,778
Lava
1,2002,1921,473
Body Temperature
3798.6310.15
Coldest Natural Temperature
-89.2-128.6184
Absolute Zero
-273.15-459.670

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Trust & Accuracy

NIST Verified Formulas

Our conversion formulas comply with National Institute of Standards and Technology guidelines for precise temperature calculations.

100% Browser-Side Processing

All conversions happen directly in your browser. Your data never leaves your device, ensuring complete privacy.

Academic & Professional Grade

Trusted by educational institutions and professionals in STEM fields for reliable temperature conversions.

6-Digit Precision

Our converter maintains up to 6 decimal places of precision for scientific and engineering applications requiring exactness.

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Last Updated: April 2025

Temperature Scales Explained

Converting Between Scales

Use these simple formulas to convert between temperature scales:

  • Celsius to Fahrenheit: °F = (°C × 9/5) + 32
  • Fahrenheit to Celsius: °C = (°F - 32) × 5/9
  • Celsius to Kelvin: K = °C + 273.15
  • Kelvin to Celsius: °C = K - 273.15

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