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Degrees Fahrenheit to Degrees Celsius Converter

Enter the temperature interval in degrees fahrenheit below to convert it to degrees celsius.

Convert Degrees Fahrenheit (Interval) to Degrees Celsius (Interval)

Enter a value in degrees fahrenheit (interval) (Δ°F) to convert to degrees celsius (interval) (Δ°C).

Result
•
2.777777778degrees celsius (interval)
5 Δ°F = 2.777777778 Δ°C
Result updates automatically
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Reference:NIST OWM (SI Units — Length)
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Degree Fahrenheit Interval to Degree Celsius Interval Conversion Table

Table showing various degree fahrenheit interval measurements converted to degrees celsius. Click any preset value or arrow to load it into the converter.

Degrees Fahrenheit (Interval) (Δ°F)Degrees Celsius (Interval) (Δ°C)
1 Δ°F0.5555556 Δ°C
2 Δ°F1.1111111 Δ°C
2.5 Δ°F1.3888889 Δ°C
5 Δ°F2.7777778 Δ°C
10 Δ°F5.5555556 Δ°C
15 Δ°F8.3333333 Δ°C
20 Δ°F11.1111111 Δ°C
25 Δ°F13.8888889 Δ°C
30 Δ°F16.6666667 Δ°C
50 Δ°F27.7777778 Δ°C

How to Convert Degrees Fahrenheit to Degrees Celsius

To convert degrees fahrenheit to degrees celsius, multiply the temperature interval by the following conversion ratio: 0.5555556 degrees celsius/degree fahrenheit interval.

Since one degree fahrenheit interval is equal to 0.5555556 degrees celsius, you can use this simple formula to convert:

degrees celsius = degrees fahrenheit × 0.5555556

The temperature interval in degrees celsius is equal to the temperature interval in degrees fahrenheit multiplied by 0.5555556.

For example, here's how to convert 5 degrees fahrenheit to degrees celsius using the formula above.

degrees celsius = (5 Δ°F × 0.5555556) = 2.7777778 Δ°C

How Many Degrees Celsius Are in a Degree Fahrenheit Interval?

There are 0.5555556 degrees celsius in a degree fahrenheit interval, which is why we use this value in the formula above.

1 Δ°F = 0.5555556 Δ°C|1 Δ°C = 1.8 Δ°F

Our degree fahrenheit interval to degree celsius interval calculator automatically converts your temperature interval measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Degrees Fahrenheit and degrees celsius are both units used to measure temperature interval. Keep reading to learn more about each unit.

What Is a Degree Fahrenheit Interval?

A degree fahrenheit interval is a unit of temperature interval equal to 0.5555556 kelvins (ΔK), the base unit for temperature interval. Temperature difference of 1 °F (equal to 5/9 Δ°C or 0.5556 ΔK). [1]

The degree fahrenheit interval is classified as a US customary unit of temperature interval. Degrees Fahrenheit can be abbreviated as Δ°F; for example, 1 degree fahrenheit interval can be written as 1 Δ°F.

When working with degrees fahrenheit (Δ°F) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, degrees fahrenheit (Δ°F) are widely used across standard temperature interval applications within US customary workflows, engineering documentation, and technical data sheets.

What Is a Degree Celsius Interval?

A degree celsius interval is a unit of temperature interval equal to 1 kelvins (ΔK), the base unit for temperature interval. Temperature difference of 1 °C (equal in magnitude to 1 K). [2]

The degree celsius interval is classified as a metric and SI-compatible unit of temperature interval. Degrees Celsius can be abbreviated as Δ°C; for example, 1 degree celsius interval can be written as 1 Δ°C.

When working with degrees celsius (Δ°C) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, degrees celsius (Δ°C) are widely used across standard temperature interval applications within SI metric workflows, engineering documentation, and technical data sheets.

When converting temperature interval between degrees fahrenheit (Δ°F) and degrees celsius (Δ°C), keep full floating-point precision (1 Δ°F = 0.5555556 Δ°C; 1 Δ°C = 1.8 Δ°F) during intermediate calculations and round only the final degree celsius interval figure to match your instrument tolerance.

More Degree Fahrenheit Interval & Degree Celsius Interval Conversions

Need to calculate in the opposite direction? Use our degrees celsius (interval) to degrees fahrenheit (interval) calculator to switch your starting unit immediately. You can also explore related tools such as converting degrees celsius (interval) to degrees fahrenheit (interval), converting kelvins (interval) to degrees celsius (interval), or converting degrees fahrenheit (interval) to kelvins (interval).

Frequently Asked Questions

There are 0.55556 degrees celsius (Δ°C) in 1 degree fahrenheit interval (Δ°F). Conversely, 1 degree celsius interval (Δ°C) is equal to 1.8 degrees fahrenheit (Δ°F).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Length)·Temperature Interval Metrology Standard — Degrees Fahrenheit (Interval) (Δ°F) to Degrees Celsius (Interval) (Δ°C)
    NIST OWM Standard
  2. [2]
    BIPM (SI Base Unit: Metre (m))·Unit Specifications: Degree Fahrenheit Interval (Δ°F) & Degree Celsius Interval (Δ°C)
    BIPM Specification
  3. [3]
    NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (Δ°F to Δ°C)
    NIST HB 133 Reference
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