UnitGlideEvery Conversion, Made Simple
TEMPERATURE CONVERTER

Convert Fahrenheit to Celsius

Bidirectional real-time conversion instrument. Invert Direction (Celsius → Fahrenheit) →

Swap
1 Fahrenheit = -17.2222222222 Celsius

Formula & Calculation Example

Exact Algebraic Formula
1 °F = -17.2222222222 °C
1 °C = 33.8 °F
Step-by-Step Example
Convert 15 °F to °C:
15 × -17.2222222222 = -9.44444444445 °C

Fahrenheit to Celsius Conversion Table

Fahrenheit (°F)Celsius (°C)
0.01 °F-17.7722222222 °C
0.1 °F-17.7222222222 °C
1 °F-17.2222222222 °C
2 °F-16.6666666667 °C
3 °F-16.1111111111 °C
5 °F-15 °C
10 °F-12.2222222222 °C
20 °F-6.66666666667 °C
50 °F10 °C
100 °F37.7777777778 °C
1000 °F537.777777778 °C

Related Temperature Conversions

Celsius to Fahrenheit→Fahrenheit to Celsius→Celsius to Kelvin→Kelvin to Celsius→Fahrenheit to Kelvin→Kelvin to Fahrenheit→Celsius to kelvin→kelvin to Celsius→Fahrenheit to kelvin→kelvin to Fahrenheit→Rankine to kelvin→kelvin to Rankine→Reaumur to kelvin→kelvin to Reaumur→Triple point of water to kelvin→kelvin to Triple point of water→

Summary & Quick Answer

1 Fahrenheit is equal to -17.2222222222 Celsius. To convert Fahrenheit to Celsius, multiply your Fahrenheit figure by -17.2222222222 (or use the formula: 1 °F = -17.2222222222 °C).

Unit Ratio
1 °F = -17.2222222222 °C
Reverse Ratio
1 °C = 33.8 °F
Measurement Domain

Step-by-Step Calculation Guide

To convert any quantity from Fahrenheit to Celsius, follow these steps:

  1. Step 1: Identify your starting value in Fahrenheit.
  2. Step 2: Apply the conversion multiplier: 1 °F = -17.2222222222 °C.
  3. Step 3: Calculate the product: For example, to convert 10 Fahrenheit:
    10 × -17.2222222222 = -172.222222222 Celsius

Frequently Asked Questions: Fahrenheit to Celsius

How many Celsius are in 1 Fahrenheit?

There are exactly -17.2222222222 Celsius in 1 Fahrenheit.

What is the formula to convert Fahrenheit to Celsius?

1 °F = -17.2222222222 °C. For example: Convert 15 °F to °C: gives 15 × -17.2222222222 = -9.44444444445 °C.

How do I convert Celsius back to Fahrenheit?

1 °C = 33.8 °F. 1 Celsius equals approximately 33.8 Fahrenheit.

Is this Fahrenheit to Celsius conversion accurate?

Yes, UnitGlide calculates all conversions with up to 12 decimal places of precision according to BIPM (Bureau International des Poids et Mesures) and NIST standards.