Convert Inches of Mercury to Atmospheres

Enter the number of inches of mercury to convert into atmospheres. Easy inHg to atm conversion.

Amount

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1 Inch of Mercury ≈

0.033421061 Atmospheres

result rounded

Decimal places

Inches of Mercury

Inches of mercury are commonly used to measure atmospheric pressure in the United States. A standard atmosphere of pressure is about 29.92 inches of mercury.

Atmospheres

An atmosphere of pressure, or atm, is the pressure exerted by the Earth's atmosphere at sea level. Since this number varies, a standard atmosphere is defined as 101,325 pascals.

Inches of Mercury to Atmospheres Conversion Table

results may be rounded

inHg	atm
25.9	0.86561
26	0.86895
26.1	0.87229
26.2	0.87563
26.3	0.87897
26.4	0.88232
26.5	0.88566
26.6	0.88900
26.7	0.89234
26.8	0.89568
26.9	0.89903
27	0.90237
27.1	0.90571
27.2	0.90905
27.3	0.91239
27.4	0.91574
27.5	0.91908
27.6	0.92242

inHg	atm
27.7	0.92576
27.8	0.92911
27.9	0.93245
28	0.93579
28.1	0.93913
28.2	0.94247
28.3	0.94582
28.4	0.94916
28.5	0.95250
28.6	0.95584
28.7	0.95918
28.8	0.96253
28.9	0.96587
29	0.96921
29.1	0.97255
29.2	0.97589
29.3	0.97924
29.4	0.98258

inHg	atm
29.5	0.98592
29.6	0.98926
29.7	0.99261
29.8	0.99595
29.9	0.99929
30	1.0026
30.1	1.0060
30.2	1.0093
30.3	1.0127
30.4	1.0160
30.5	1.0193
30.6	1.0227
30.7	1.0260
30.8	1.0294
30.9	1.0327
31	1.0361

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Convert Inches of Mercury to Atmospheres

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