Temperature Converters
Browse our comprehensive collection of temperature converters for Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, and more. Free online tools for science, cooking, weather, and everyday use.
Celsius to Fahrenheit
Convert Celsius (°C) to Fahrenheit (°F) with step-by-step formula: °F = °C × 9/5 + 32.
celsiusCelsius to Kelvin
Convert Celsius (°C) to Kelvin (K) with formula: K = °C + 273.15.
celsiusCelsius to Rankine
Convert Celsius to Rankine (°R) using formula: °R = (°C + 273.15) × 9/5.
celsiusCelsius to Réaumur
Convert Celsius to Réaumur (°Ré) using formula: °Ré = °C × 4/5.
celsiusCelsius to Delisle
Convert Celsius to Delisle (°De) using formula: °De = (100 - °C) × 3/2.
celsiusCelsius to Newton
Convert Celsius to Newton (°N) using formula: °N = °C × 33/100.
celsiusFahrenheit to Celsius
Convert Fahrenheit (°F) to Celsius (°C) with formula: °C = (°F - 32) × 5/9.
fahrenheitFahrenheit to Kelvin
Convert Fahrenheit to Kelvin (K) using formula: K = (°F + 459.67) × 5/9.
fahrenheitFahrenheit to Rankine
Convert Fahrenheit to Rankine (°R) using formula: °R = °F + 459.67.
fahrenheitFahrenheit to Delisle
Convert Fahrenheit to Delisle (°De) using formula: °De = (212 - °F) × 5/6.
fahrenheitFahrenheit to Newton
Convert Fahrenheit to Newton (°N) using formula: °N = (°F - 32) × 11/60.
fahrenheitFahrenheit to Gas Mark
Convert Fahrenheit oven temperatures to gas mark for cooking.
fahrenheitKelvin to Celsius
Convert Kelvin (K) to Celsius (°C) using formula: °C = K - 273.15.
kelvinKelvin to Fahrenheit
Convert Kelvin to Fahrenheit (°F) using formula: °F = K × 9/5 - 459.67.
kelvinKelvin to Rankine
Convert Kelvin to Rankine (°R) using formula: °R = K × 9/5.
kelvinKelvin to Newton
Convert Kelvin to Newton (°N) using formula: °N = (K - 273.15) × 33/100.
kelvinRankine to Kelvin
Convert Rankine (°R) to Kelvin (K) using formula: K = °R × 5/9.
rankineRankine to Celsius
Convert Rankine to Celsius (°C) using formula: °C = (°R - 491.67) × 5/9.
rankineRankine to Fahrenheit
Convert Rankine to Fahrenheit (°F) using formula: °F = °R - 459.67.
rankineRéaumur to Celsius
Convert Réaumur (°Ré) to Celsius (°C) using formula: °C = °Ré × 5/4.
rankineRéaumur to Fahrenheit
Convert Réaumur to Fahrenheit (°F) using formula: °F = °Ré × 9/4 + 32.
rankineDelisle to Celsius
Convert Delisle (°De) to Celsius (°C) using formula: °C = 100 - °De × 2/3.
rankineNewton to Celsius
Convert Newton (°N) to Celsius (°C) using formula: °C = °N × 100/33.
rankineKelvin to Electronvolt (eV)
Convert Kelvin to electronvolts using Boltzmann constant: eV = k_B × T / e.
scientificElectronvolt to Kelvin
Convert electronvolts to Kelvin using Boltzmann constant.
scientificUniversal Temperature Converter
Convert between Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, and more.
universalWeather Temperature Converter
Quickly convert weather temperatures between °C and °F for travel.
universalBody Temperature Converter
Convert body temperature between °C and °F (fever and normal ranges).
universalCooking Temperature Converter
Convert cooking temperatures between Fahrenheit, Celsius, and gas marks.
universalWhat Are Temperature Converters?
Our Temperature Converters collection provides a comprehensive suite of tools for converting between different temperature scales. Whether you're cooking, studying science, checking the weather, or working in a lab, these converters deliver accurate results with clear step-by-step explanations.
From Celsius, Fahrenheit, and Kelvin to Rankine, Réaumur, Delisle, Newton, and Rømer, our tools cover both common and historical temperature scales.
How to Use This Directory
- Search: Type a keyword into the search bar to find specific converters by name or description.
- Filter by Category: Use the dropdown to narrow down to a specific temperature scale type — each option shows the number of tools available.
- Click to Use: Each card links directly to the converter. Click on any card to start your conversion instantly.
- Explore Category Pages: Use the "Explore More Conversion Calculators" section to access dedicated pages for other unit types.
Why Use Our Temperature Converters?
- Comprehensive Coverage: Covers Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, Rømer, and more.
- Accurate & Reliable: Uses exact conversion formulas and scientific constants.
- Free & Accessible: No registration, no fees — use any tool instantly on any device.
- Educational: Many tools show the conversion formula, helping you understand the relationships.
- Professional & Personal Use: Designed for students, scientists, cooks, and anyone needing temperature conversions.
❓ Temperature Converters FAQ
What types of temperature conversions can I perform?
You can convert between Celsius, Fahrenheit, Kelvin, Rankine, Réaumur, Delisle, Newton, Rømer, and Planck temperature. Also includes scientific conversions like Kelvin to electronvolts.
How do I convert Celsius to Fahrenheit?
Use our Celsius to Fahrenheit converter. Multiply °C by 9/5 and add 32, with step-by-step work shown.
How do I convert Fahrenheit to Celsius?
Use our Fahrenheit to Celsius converter. Subtract 32 from °F and multiply by 5/9, with detailed formula.
What is the difference between Kelvin and Celsius?
Kelvin is an absolute temperature scale where 0 K is absolute zero. Celsius is relative to the freezing point of water (0°C = 273.15 K). Our converters handle both.
How do I convert Kelvin to Fahrenheit?
Use our Kelvin to Fahrenheit converter. Multiply K by 9/5 and subtract 459.67, with formula steps.
What is Rankine?
Rankine is an absolute temperature scale using Fahrenheit degrees. 0 °R = absolute zero. Our Rankine converters handle this scale.
Are these converters accurate for scientific work?
Yes, our converters use exact formulas and constants, making them suitable for educational and professional scientific use.
How often are new temperature converters added?
We regularly add new converters based on user requests. If you have a suggestion, please contact us.
Can I convert temperature differences (ΔT) with these tools?
Yes, our Temperature Difference Converter handles ΔT conversions correctly (e.g., 1°C difference = 1.8°F difference).