Fahrenheit to Kelvin Temperature Converter

Temperature Converter

Fahrenheit to Kelvin Converter

Select a conversion type:

Kelvin:



Fahrenheit to Kelvin Converter is an essential tool for converting temperature measurements between the Fahrenheit (°F) scale (commonly used in the United States) and the Kelvin (K) scale (the base unit of temperature in the International System of Units). This conversion is crucial for:

  • Scientific research and experiments

  • Engineering applications

  • Advanced physics and chemistry calculations

  • Meteorological studies

Key Temperature Reference Points

  • Absolute zero: -459.67°F = 0K

  • Freezing point of water: 32°F = 273.15K

  • Boiling point of water: 212°F = 373.15K

  • Human body temperature: 98.6°F ≈ 310.15K


Conversion Formulas

Fahrenheit to Kelvin Formula

K=(°F32)1.8+273.15

or

K=(°F+459.67)×59

Kelvin to Fahrenheit Formula

°F=(K×1.8)459.67

or

°F=(K273.15)×1.8+32

How to Use a Fahrenheit to Kelvin Converter

  1. Enter the temperature in Fahrenheit (°F)

  2. Click "Convert" (or press Enter)

  3. View the result in Kelvin (K)

  4. (Optional) Many converters allow reverse conversion (Kelvin to Fahrenheit)


Common Temperature Conversions

Fahrenheit (°F)Kelvin (K)Significance
-459.67°F0KAbsolute zero
-40°F233.15K-40°F = -40°C
32°F273.15KFreezing point of water
68°F293.15KRoom temperature
98.6°F310.15KHuman body temperature
212°F373.15KBoiling point of water

Why Convert Fahrenheit to Kelvin?

  • Scientific Accuracy: Kelvin is the SI base unit for temperature

  • Thermodynamic Calculations: Essential for physics and engineering

  • Cryogenics: Studying extremely low temperatures

  • Astrophysics: Measuring temperatures of stars and space


Manual Calculation Example

Problem: Convert 50°F to Kelvin
Solution:

K=(5032)1.8+273.15=181.8+273.15=10+273.15=283.15K

So, 50°F = 283.15K


Conversion Methods Comparison

MethodProsCons
Online ConverterInstant, preciseRequires internet
Manual CalculationNo tools neededTime-consuming
Mobile AppsOffline accessRequires download

Popular Conversion Tools

  1. Google Search - Type "X°F to K" for instant results

  2. Scientific Calculators - Most have built-in conversion functions

  3. Unit Converter Apps - ConvertPad, Unit Converter Ultimate

  4. Programming - Python, Excel, or MATLAB functions


Quick Conversion Tips

  • Remember key reference points (especially 0K = -459.67°F)

  • For rough estimates:

    • Subtract 32 from °F, divide by 2, then add 273

    • Example: 100°F → (100-32)/2 + 273 ≈ 34 + 273 = 307K (actual: 310.93K)

  • Kelvin has no degree symbol (it's just K, not °K)