Meter of water to Inch of mercury Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert meters of water [mH₂O, mWS] to inches of mercury [inHg] or inches of mercury [inHg] to meters of water [mH₂O, mWS]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 meter of water [mH₂O, mWS] ≈ 2.8959 inches of mercury [inHg]1 inch of mercury [inHg] ≈ 0.3453 meters of water [mH₂O, mWS]

Convert meters of water to inches of mercury

There are two simple ways to convert meters of water [mH₂O, mWS] to inches of mercury [inHg]. In the first calculation method, the value in meters of water [mH₂O, mWS] is divided by the rounded conversion factor of 0.3453. The second method multiplies the value in meters of water [mH₂O, mWS] by the rounded conversion factor of 2.8959.

  • Inches of mercury [inHg] ≈ meters of water [mH₂O, mWS] ÷ 0.3453
  • Inches of mercury [inHg] ≈ meters of water [mH₂O, mWS] * 2.8959

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of meters of water [mH₂O, mWS] to inches of mercury [inHg] can be achieved using the following calculation method.

  • Inches of mercury [inHg] = meters of water [mH₂O, mWS] * 7,453,054 ÷ 2,573,655

Convert inches of mercury to meters of water

Converting inches of mercury [inHg] to meters of water [mH₂O, mWS] is easy and can be done in two ways. The first method involves multiplication, in which the value in inches of mercury [inHg] is multiplied by the rounded conversion factor of 0.3453. The second variant is a division. Here, the value in inches of mercury [inHg] is divided by the rounded conversion factor of 2.8959.

  • Meters of water [mH₂O, mWS] ≈ inches of mercury [inHg] * 0.3453
  • Meters of water [mH₂O, mWS] ≈ inches of mercury [inHg] ÷ 2.8959

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of inches of mercury [inHg] to meters of water [mH₂O, mWS] can be achieved using the following calculation method.

  • Meters of water [mH₂O, mWS] = inches of mercury [inHg] ÷ 7,453,054 * 2,573,655

Converter

Decimal places

How it's calculated

Factor: 
≈ 2.896
Inches of mercury = Meters of water * 7,453,054 ÷ 2,573,655
Meters of water = Inches of mercury ÷ 7,453,054 * 2,573,655

To all available units

Meters of water

Inches of water

Meters of water

Kilobar

Meters of water

Kilograms per square centimeter

Meters of water

Kilograms per square meter

Meters of water

Kilograms per square millimeter