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What is the formula for converting pressure in millibars of pressure to inches of mercury?

April 26, 2017converting Formula inches mercury millibars pressure

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What is the formula for converting pressure in millibars of pressure to inches of mercury?

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You don’t really need a formula. The “standard” atmospheric pressure at sea level is 29.92 inches of mercury, or 1013.2 millibars. In other words, these numbers are the same, but in different measurement systems. Anyway, if you see a pressure on a weather map of, say, 1016 millibars, you can convert to inches of mercury by multiplying by 29.92 and dividing by 1013.2 to come up with 30.00 inches of mercury.