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Millimeter of mercury to Inch of mercury (mmHg → inHg)

Convert millimeter of mercury to inch of mercury instantly. The conversion factor is approximate to engineering precision.

Realtime·pressure·metric
Approx
mmHg
× 0.0394
inHg
0.03937
Precision [auto]
6

📐mmHg to inHg formulaApprox.

inHg = mmHg × 0.039370074559
Inverse: mmHg = inHg × 25.400002697664

Worked example: 1 mmHg = 0.039370074559 inHg

ℹ️About these units

Millimeter of mercury (mmHg)
Blood pressure measurement.
Inch of mercury (inHg)
US weather barometric pressure.

📊Reference table: mmHg → inHg

Millimeter of mercury (mmHg)Inch of mercury (inHg)
10.03937
20.07874
50.19685
100.393701
150.590551
200.787401
250.984252
501.9685
1003.937
2509.8425
50019.685
75029.5276
1,00039.3701

Want a downloadable CSV? Append ?format=csv to the API /api/v1/table endpoint.

🔁Reverse & related

Reverse: inHg → mmHgmmHg → kPammHg → PammHg → MPammHg → hPammHg → barmmHg → mbarmmHg → psimmHg → ksi

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