weather calculators

Heat Index Calculator & Charts

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Definition of Heat Index: The heat index is an estimate of how hot the air “feels” to the human body and provides a relative indication of potential health risks. Among others, the two primary factors in the heat index equations are temperature and water vapor (i.e., moisture/humidity). Humidity affects the efficacy of perspiration to evaporatively … Read more

Convert Knots to MPH – Wind Speed Unit Calculator

With this simple unit conversion tool, you can quickly convert any wind speed from an initial unit (miles per hour, feet per second, meters per second, knots, and kilometers per hour) to all other units listed. This is very helpful when you quickly need to see what one measure equates to in other units. Jump … Read more