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Temperature Conversion Tools

Convert Celsius, Fahrenheit, and Kelvin temperature scales. Select any specific conversion pair below to view the dedicated bidirectional calculator, exact formula, and full reference chart.

Available Temperature Converters

Celsius to Fahrenheit

Formula: °F = (°C * 9/5) + 32. Live converter and full lookup chart.

Fahrenheit to Celsius

Formula: °C = (°F - 32) * 5/9. Live converter and full lookup chart.

Celsius to Kelvin

Formula: K = °C + 273.15. Live converter and full lookup chart.

Kelvin to Celsius

Formula: °C = K - 273.15. Live converter and full lookup chart.

Measurement Standards: Metric vs. Imperial

Physical measurements in modern science and commerce are anchored in the International System of Units (SI) maintained by the International Bureau of Weights and Measures (BIPM). Our conversion calculators use exact legal conversion constants defined by the National Institute of Standards and Technology (NIST) to ensure zero compound rounding error across high-precision calculations.