Figure 1: A practice quiz page featuring unit conversion problems for atmospheric pressure and a diagram of an aneroid barometer.

Worksheet with questions on converting air pressure between millibars and inches of mercury, including a barometer diagram.

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9. a. 1040.0 millibars = 30.71 inches
b. 973.0 millibars = 28.73 inches
c. 1013.2 millibars = 29.92 inches
d. 1013.0 millibars = 29.91 inches

10. a. 30.50 inches = 1032.9 millibars
b. 30.00 inches = 1015.9 millibars
c. 29.40 inches = 995.6 millibars
d. 28.70 inches = 971.8 millibars
e. 29.30 inches = 992.2 millibars

11. The average air pressure exerted by Earth’s atmosphere at sea level, expressed in millibars and inches of mercury, is:
a. 1013.25 mb and 29.92 in Hg

12. The weather instrument represented by the diagram is:
c. barometer

13. When converted to millibars, this air pressure is equal to:
a. 1003.0 mb

Parent Tip: Review the logic above to help your child master the concept of atmospheric pressure worksheet.

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