Units of measurement
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Atmosphere (atm)
Centimeters of mercury (cmHg)
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Atmosphere (atm)
Atmosphere (atm) — a unit of pressure based on the average atmospheric pressure at sea level, equal to 101,325 pascals.
Centimeters of mercury (cmHg)
Centimeters of mercury (cmHg) — a unit of pressure equal to the pressure exerted by a 1-centimeter high column of mercury. Used in meteorology and some scientific measurements.