🌡️

Temperature Converter

Convert between Celsius, Fahrenheit, Kelvin and Rankine instantly.

Celsius

°C — metric standard

°C

Fahrenheit

°F — used in the US

°F

Kelvin

K — absolute scale

Rankine

°R — absolute Fahrenheit

°R

Reference Temperatures

Description	°C	°F	K
Absolute Zero	−273.15	−459.67	0
Water Freezes	0	32	273.15
Room Temperature	20–22	68–72	293–295
Human Body	37	98.6	310.15
Water Boils	100	212	373.15

Conversion Formulas

°C to °F
°F = (°C × 9/5) + 32

°F to °C
°C = (°F − 32) × 5/9

°C to K
K = °C + 273.15

K to °C
°C = K − 273.15

About Temperature Converter

Temperature Converter is a free unit conversion tool that lets you convert between celsius, fahrenheit, kelvin and rankine instantly instantly. Engineers, students, scientists, and everyday users rely on quick conversions for work, study, and daily life. This tool provides accurate results in real time as you type — no need to press a button or wait for a server response.

How to Use

Enter a value Type the number you want to convert into the input field.

Select units Choose the source and target units from the dropdown menus.

Get instant results The converted value appears immediately as you type — no button press needed.

Copy the result Click the Copy button or select the output value to copy it for use elsewhere.

🔒 Privacy note: All processing happens locally in your browser. Your data is never sent to any server.

Why Use Temperature Converter?

🔄

Real-Time Conversion Results update instantly as you type — no need to press a button. Quickly compare multiple values or find the exact conversion you need.

🎯

High Precision Temperature Converter uses accurate conversion factors from international standards. Results are precise enough for engineering, scientific, and professional use.

📱

Mobile Ready Fully responsive design works perfectly on phones and tablets. Great for quick conversions when you're shopping, cooking, or traveling.

🌍

All Common Units Covers the most commonly needed unit conversions, including both metric (SI) and imperial systems, so you always find what you're looking for.

Frequently Asked Questions

Absolute zero is the lowest possible temperature: −273.15°C (−459.67°F or 0 K). At this temperature, particles theoretically have minimum thermal motion.

The US adopted Fahrenheit in colonial times before the metric system was established. The scale was proposed by Daniel Gabriel Fahrenheit in 1724 and was widely used before Celsius became the international standard.

Celsius and Fahrenheit are equal at −40 degrees. That is, −40°C = −40°F.