What is Celsius scale?

Celsius (°C) is the metric temperature scale where water freezes at 0°C and boils at 100°C. It's the standard in most countries worldwide.

What is Fahrenheit scale?

Fahrenheit (°F) is primarily used in the United States. Water freezes at 32°F and boils at 212°F. The scale was developed by Daniel Gabriel Fahrenheit.

What is Kelvin scale?

Kelvin (K) is the absolute temperature scale used in science. It starts at absolute zero (0K = -273.15°C). Water freezes at 273.15K.

How accurate are the conversions?

Our conversions are mathematically precise to 2 decimal places, which is accurate enough for most practical uses.

What is absolute zero?

Absolute zero (0K or -273.15°C) is the lowest possible temperature in the universe where all molecular motion ceases. No temperature can go lower.

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Temperature Converter

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Celsius, Fahrenheit & Kelvin

Convert between Celsius (°C), Fahrenheit (°F), and Kelvin (K) instantly. Essential for scientists, students, travelers, and weather enthusiasts.

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Formulas:

°F = (°C × 9/5) + 32

°C = (°F - 32) × 5/9

K = °C + 273.15

°C = K - 273.15

Reference Points:

Water Freezes: 0°C / 32°F / 273.15K

Room Temp: 20°C / 68°F / 293.15K

Body Temp: 37°C / 98.6°F / 310.15K

Water Boils: 100°C / 212°F / 373.15K

Absolute Zero: −273.15°C / −459.67°F / 0K

Features

✓ Live conversion between three temperature scales
✓ Instant results as you type
✓ Supports decimal values
✓ Shows reference temperature points
✓ Displays conversion formulas
✓ User-friendly interface

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