🌡️ Temperature Converter

Convert between Celsius, Fahrenheit and Kelvin using the exact defining formulas (°F = °C × 9/5 + 32; K = °C + 273.15). Temperature scales use offsets, not simple multiplication, so a dedicated converter avoids the most common conversion mistakes.

From

1 °C = 33.8 °F

Precision

1 degrees Celsius = 33.8 degrees Fahrenheit

1 × 1.8 + 32 = 33.8

These scales have different zero points, so the conversion multiplies by 1.8 and then shifts by +32.

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Celsius to Fahrenheit: Formula, Charts for Weather, Fever and Ovens

°F = °C × 9/5 + 32. The complete guide: exact formula, mental shortcut, charts for weather, fever thresholds, oven temperatures and world records — plus Kelvin and the history of both scales.

All temperature units

Unit	Symbol	Definition
Celsius	°C	Degrees Celsius (°C) set 0° at the freezing point of water and 100° at its boiling point (at standard pressure). It is the everyday temperature scale in almost every country.
Fahrenheit	°F	Degrees Fahrenheit (°F) place water’s freezing point at 32° and boiling point at 212°. It is the everyday temperature scale in the United States.
Kelvin	K	The kelvin (K) is the SI base unit of temperature, starting at absolute zero (0 K = −273.15 °C). A change of 1 K equals a change of 1 °C; kelvins are standard in science and engineering.
Rankine	°R	Degrees Rankine (°R) form an absolute scale using Fahrenheit-sized degrees: 0 °R is absolute zero. It appears mainly in US thermodynamics engineering.