What is Temperature & Relative humidity ?<br />Relative humidity with hygrometer. Relative humidity to hygrometer dry & wet. <br />Celsius to Fahrenheit: °C × 1.8 + 32 = °F<br />Fahrenheit to Celsius: (°F - 32) / 1.8 = °C<br />relative humidity calculation.relative humidity formula<br />.Temperature Celsius<br />.Temperature Fahrenheit