Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin, and Rankine temperature scales.

Temperature Converter

Enter a value and select units to convert

1 °C = 33.8 °F

Common Values

CelsiusFahrenheit
0.001 °C32.0018 °F
0.01 °C32.018 °F
0.1 °C32.18 °F
1 °C33.8 °F
2 °C35.6 °F
5 °C41 °F
10 °C50 °F
25 °C77 °F
50 °C122 °F
100 °C212 °F
1000 °C1,832 °F

Available Units

Celsius

°C

Fahrenheit

°F

Kelvin

K

Rankine

°R

Réaumur

°Ré

About Temperature Conversion

The Temperature Converter allows you to convert between 5 different units including Celsius, Fahrenheit, Kelvin, Rankine, Réaumur.

Simply enter a value, select the source and target units, and get instant, accurate results. This converter is part of the Common converters category on FastConvert.

Whether you're a student, professional, or just need a quick conversion, FastConvert's Temperature Converter delivers precise results in real-time. All calculations run directly in your browser — no data is sent to any server.

Frequently Asked Questions

What is the formula for Celsius to Fahrenheit?

°F = (°C × 9/5) + 32. For example, 20°C = 68°F.

What is absolute zero?

Absolute zero is -273.15°C (0 Kelvin / -459.67°F) — the lowest theoretically possible temperature where all molecular motion stops.

At what temperature are Celsius and Fahrenheit equal?

Celsius and Fahrenheit are equal at -40°. Both -40°C and -40°F represent the same temperature.

What is normal body temperature?

Normal human body temperature is approximately 37°C (98.6°F), though it can vary slightly between individuals.

Is this temperature converter free?

Yes, completely free. No signup needed.