Temperature Converter

How to Use This Calculator

Enter a temperature in Fahrenheit. The calculator converts it to Celsius. Use this for interpreting soil temperature data, understanding cold storage requirements, or converting between weather forecast formats used in different countries.

Why This Matters

Soil temperature determines planting timing — corn needs 50°F (10°C), soybeans need 60°F (15.5°C). Understanding temperature in both scales helps you interpret international research, set greenhouse controls, and make accurate planting decisions.

Methodology

Celsius = (Fahrenheit - 32) × 5/9. Fahrenheit = (Celsius × 9/5) + 32. Key agricultural reference points: 32°F = 0°C (freezing), 50°F = 10°C (cool-season planting), 86°F = 30°C (heat stress threshold for many crops).

Common Mistakes to Avoid

• Forgetting to subtract 32 first before multiplying by 5/9.
• Using soil temperature at the wrong depth — planting-depth temperature matters, not surface temperature.
• Not checking soil temperature at planting time — morning soil temps can be 10-15°F cooler than afternoon.
• Confusing air temperature with soil temperature, which lags air temp by several days.