-5.4 degrees Celsius = 22.28°F (exact). Rounded: 22.28°F. In Kelvin: 267.75 K. In Rankine: 481.95°R.
Below freezing (0°C = 32°F). Water is solid ice at this temperature.
Below freezing: -5.4°C = 22.28°F. Key landmarks: 0°C = 32°F (freezing), −10°C = 14°F (cold winter), −20°C = −4°F (severe cold), −40°C = −40°F (where scales meet).
All temperature units: 22.28°F · 267.75 K (Kelvin) · 481.95°R (Rankine). Kelvin starts at absolute zero (−273.15°C). Rankine is used in some US engineering applications.
Formula: °F = (°C × 9/5) + 32. For -5.4°C: (-5.4 × 1.8) + 32 = -9.72 + 32 = 22.28°F. Reverse: °C = (°F − 32) × 5/9 = (22.28 − 32) × 0.5556 = -5.4°C.
-5.4°C = 22.28°F (exact: 22.28°F). Formula: (-5.4 × 9/5) + 32 = 22.28°F.
Multiply by 1.8 then add 32: -5.4 × 1.8 = -9.72, + 32 = 22.28°F. Quick estimate: double the Celsius value and add 30 → 19.2°F (approximate).
Add 273.15: -5.4 + 273.15 = 267.75 K. Kelvin is used in science — 0 K is absolute zero (the coldest possible temperature).
Below freezing (0°C = 32°F). Water is solid ice at this temperature. In Fahrenheit: 22.28°F is below freezing.