Fahrenheit to Celsius Converter
Convert Fahrenheit to Celsius instantly with our free online tool. Perfect for cooking, weather, and scientific measurements.
温度转换器Fahrenheit
Celsius
Fahrenheit to Celsius Conversion Formula
Fahrenheit to Celsius Conversion Table
| Fahrenheit (f) | Celsius (c) |
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Why Use Our Fahrenheit to Celsius Converter
Instant Temperature Conversion
Get precise Fahrenheit to Celsius results in real-time as you type — no formula to remember
Formula-Perfect Accuracy
Uses the standard formula C = (F - 32) × 5/9 for scientifically accurate temperature conversions
Temperature Reference Table
Common temperatures at a glance — from -40°F to 450°F — covering weather and cooking ranges
Swap with One Click
Toggle between Fahrenheit and Celsius instantly — perfect when reading US recipes abroad
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How to Convert Fahrenheit to Celsius
Enter the Fahrenheit Value
Type the temperature in Fahrenheit — for example, enter 350 for a common baking temperature
See the Celsius Result
The equivalent in Celsius appears instantly: 350°F = 176.667°C — a standard moderate oven temperature
Copy or Swap
Copy the result or click Swap to convert from Celsius back to Fahrenheit
Check the Reference Table
Browse the table for common values like 72°F = 22.222°C (comfortable room temperature)
Frequently Asked Questions
What is the formula to convert Fahrenheit to Celsius?
The formula is C = (F - 32) × 5/9. First subtract 32, then multiply by 5/9. For example, to convert 98.6°F (body temperature): (98.6 - 32) × 5/9 = 37°C.
What is 350°F in Celsius for baking?
350°F equals 176.667°C, which is typically rounded to 180°C in European recipes. This is the most common moderate oven temperature for baking cakes, cookies, and casseroles.
How do I quickly estimate Fahrenheit to Celsius?
Subtract 30 from the Fahrenheit value and divide by 2 for a quick estimate. For example, 80°F → (80 - 30) ÷ 2 = 25°C estimate (actual: 26.67°C). This works well for normal weather temperatures.
What is 72°F in Celsius?
72°F equals 22.222°C. This is considered a comfortable room temperature and is the most common thermostat setting in US homes. In Celsius countries, 22°C is the typical equivalent setting.
At what temperature are Fahrenheit and Celsius the same?
Fahrenheit and Celsius read the same at -40°. You can verify this with both formulas: C = (-40 - 32) × 5/9 = -40°C and F = -40 × 9/5 + 32 = -40°F. This is the single intersection point of the two scales.
About Fahrenheit to Celsius Converter
Our free online Fahrenheit to Celsius converter provides instant, accurate temperature conversions for any application. Whether you are following an American recipe while living in Europe, interpreting a US weather forecast, working in a laboratory with equipment calibrated in different units, or monitoring industrial processes, this tool delivers precise results. The Fahrenheit scale, proposed by Daniel Gabriel Fahrenheit in 1724, sets water freezing at 32° and boiling at 212°, while the Celsius scale uses the more intuitive 0° and 100° reference points.
Expert Tips for Fahrenheit to Celsius Conversion
The exact formula is C = (F - 32) × 5/9. You can also use C = (F - 32) ÷ 1.8 — both are mathematically identical and produce the same result.
For cooking: 250°F = 121°C (slow), 325°F = 163°C (moderate-low), 350°F = 177°C (moderate), 375°F = 191°C (moderate-hot), 425°F = 218°C (hot), 450°F = 232°C (very hot).
Key reference points: -40°F = -40°C (equal point), 32°F = 0°C (freezing), 68°F = 20°C (room temp), 98.6°F = 37°C (body temp), 212°F = 100°C (boiling).
When reading US weather forecasts: below 32°F is freezing (0°C), 50s°F is 10-15°C (cool), 70s°F is 21-26°C (pleasant), 90s°F is 32-37°C (hot), and above 100°F is above 38°C (dangerous heat).
In medical settings, always use the exact formula. A fever of 101.3°F is 38.5°C, and 104°F is 40°C — small rounding errors in fever assessment can affect treatment decisions.