-4°F to Celsius

-4°F is -20.0°C (253.15 K). -4°F equals about -20.0°C. This temperature is below the freezing point of water (0°C / 32°F). Expect ice, frost, and slippery surfaces outdoors.

Fahrenheit to Celsius

Instant two-way conversion with Kelvin and a live scale.

Fahrenheit°F

°F

Type to convert · Enter copies · Ctrl/⌘S swaps

Celsius°C

-20.0°C

Celsius

-20.0 °C

Fahrenheit

-4.0 °F

Kelvin

253.1 K

Formula · worked example

°C = (-4 − 32) × 5/9 = -20.0

Worked example

°C = (-4 − 32) × 5/9 = -20.0

Context: below freezing. Reverse lookup: -20.0°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around -4°F

Fahrenheit	Celsius
-9°F	-22.8°C
-8°F	-22.2°C
-7°F	-21.7°C
-6°F	-21.1°C
-5°F	-20.6°C
-4°F	-20.0°C
-3°F	-19.4°C
-2°F	-18.9°C
-1°F	-18.3°C
0°F	-17.8°C
1°F	-17.2°C

More tools: Fahrenheit to Celsius · Celsius to Fahrenheit · Body temperature