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Temperature conversion · The exact answer, the formula, nearby values, and the full chart
80 °F = 26.6667 °C
80 °F is exactly 26.6667 °C. The working is shown below — every figure on this page is computed with the exact conversion formula, not copied from a rounded chart.
80 × -17.2222 = 26.6667 — so 80 °F is 26.6667 °C.
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80 °F is exactly 26.6667 °C. The figure is computed with the exact conversion formula, not rounded from a chart: 80 × -17.2222 = 26.6667 — so 80 °F is 26.6667 °C.
Celsius = Fahrenheit × -17.2222. The two scales meet at −40, the one temperature that reads the same number in both Celsius and Fahrenheit.
80 °F is 299.817 K. Convert to Celsius first — (80 − 32) × 5/9 = 26.6667 °C — then add 273.15.
Use the Fahrenheit to Celsius converter on this page for any value, or open the printable fahrenheit to celsius chart to look up the whole range at a glance.
Need the opposite direction? Use the Celsius to Fahrenheit Converter to convert celsius back to fahrenheit.
Browse every tool in this category on the Temperature Converter hub page.