Temperature Converter — Celsius, Fahrenheit, Kelvin

°F = (°C × 9/5) + 32
°C = (°F − 32) × 5/9
K = °C + 273.15

Celsius to Fahrenheit: Multiply by 9/5 then add 32.

Fahrenheit to Celsius: Subtract 32 then multiply by 5/9.

Celsius to Kelvin: Add 273.15. Kelvin is used in scientific calculations.

What is the formula to convert Celsius to Fahrenheit? ▼

°F = (°C × 9/5) + 32. For example, 100°C × 1.8 + 32 = 212°F.

What temperature is the same in Celsius and Fahrenheit? ▼

Both scales are equal at −40 degrees (−40°C = −40°F). This is the only point where they intersect.

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