C↔F ToolCelsius ↔ Fahrenheit

121°F to Celsius

121°F is 49.4°C (322.59 K). 121°F equals about 49.4°C. This temperature is hotter than typical outdoor weather and appears in saunas, industrial processes, and hot-tap water contexts — not body temperature.

Fahrenheit to Celsius

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

°F

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

Celsius°C
49.4°C

Celsius

49.4 °C

Fahrenheit

121.0 °F

Kelvin

322.6 K

Formula · worked example

°C = (121 − 32) × 5/9 = 49.4

Worked example

°C = (121 − 32) × 5/9 = 49.4

Context: hot environment / industrial. Reverse lookup: 49.4°C to Fahrenheit.

Nearby Fahrenheit values

Quick hops around 121°F

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