0 Fahrenheit to Celsius
0 fahrenheit equals -17.78 celsius. Use the formula, worked example, and conversion table below to check the math.
0 °F = -17.78 °C
°C = (°F - 32) × 5/9
0 °F is also
°F
°C
How to Convert Fahrenheit to Celsius
°C = (°F - 32) × 5/9
- Start with 0°F
- Subtract 32: 0 - 32 = -32
- Multiply by 5/9: -32 × 0.5556 = -17.78
- Result: 0°F = -17.78°C
Quick Mental Conversion
For a rough estimate, subtract 30 then halve. For example, 0 °F: minus 30 is -30, halved is -15. The exact answer is -17.78 °C.
0 °F on the Temperature Scale
0 °F = -17.78 °C
Freezing (0°C)
Body temp (37°C)
Boiling (100°C)
On the thermometer, 0 °F corresponds to -17.78 °C.
Common Fahrenheit to Celsius Conversions
Related Calculators
Frequently Asked Questions
0 fahrenheit equals -17.78 celsius.
The formula is: °C = (°F - 32) × 5/9.
Use the celsius to fahrenheit converter. The reverse formula is: °F = °C × 9/5 + 32.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
Temperature conversions use exact formulas (°C = (°F - 32) × 5/9). Displayed results are rounded for readability, while the calculator uses the full formula for maximum accuracy.