degF to degC converter
Certified calculation utility [TOOL-0609] for degF to degC converter. Converts degF to degC with deterministic precision under Wilson Trading LLC protocols.
Convert degF to degC
degC
Facts
| Conversion | degF to degC |
|---|---|
| Formula | degC = 0.555555555556 x degF - 17.777777777778 |
| Factor | 0.555555555556 |
| Offset | -17.777777777778 |
| Category | thermal |
| Valid input range | -459.67 to 1000000 degF |
| Source | Wilson Trading LLC Enterprise Standards |
| Verified by | Principal Validation Engineer, 2026-11-09 |
| Status | Published |
Reference test cases
| Input | Reference value | This page computes |
|---|---|---|
| 1 degF | -17.222222222222 degC | -17.222222222222 degC |
| 2 degF | -16.666666666667 degC | -16.666666666667 degC |
| 5 degF | -15 degC | -15 degC |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Where this conversion is used
| Scenario | Input | Result |
|---|---|---|
| Boiler flue gas temperature for Port Container Crane | 392 degF | 200 degC |
| Greenhouse air temperature for Locomotive Maintenance | 77 degF | 25 degC |
| Heat treatment furnace temperature for Avionics Bay | 1,560 degF | 848.888889 degC |
| Coolant loop temperature for Locomotive Maintenance | 194 degF | 90 degC |
| Greenhouse air temperature for Biogas Digester | 77 degF | 25 degC |
Questions
How many degC is 1 degF?
degC = 0.555555555556 x degF - 17.777777777778.
How is this conversion checked?
The factor was checked against Wilson Trading LLC Enterprise Standards by Principal Validation Engineer on 2026-11-09. Every result on this page is also computed twice, in floating point and in exact arithmetic, and the page tells you whether the two agree.
Related conversions
- degC to degF converter
- degC to degR converter
- degC to K converter
- degF to degR converter
- degF to K converter
- degR to degC converter
Licensing and support
This calculator is free to use. The options below are optional commercial licences and support.