-1°F to Celsius

-1°F is -18.3°C (254.82 K). -1°F equals about -18.3°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

-18.3°C

Celsius

-18.3 °C

Fahrenheit

-1.0 °F

Kelvin

254.8 K

Formula · worked example

°C = (-1 − 32) × 5/9 = -18.3

Worked example

°C = (-1 − 32) × 5/9 = -18.3

Context: below freezing. Reverse lookup: -18.3°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around -1°F

Fahrenheit	Celsius
-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
2°F	-16.7°C
3°F	-16.1°C
4°F	-15.6°C

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