Meter of water column.
Meter of waters to Millibars Converter — mH2O to mbar
Convert Meter of water (mH2O) to Millibar (mbar) using the exact conversion factor (1 meter of water = 98.0665 millibar). See the formula, worked examples, and conversion table.
Meter of waters to Millibars converter
Converter
Pressure Converter
Convert pascals, bars, PSI, atmospheres, mercury columns, water columns, and engineering pressure units.
Context values
Some unit families need one extra value for a physically accurate result.
A millibar is 100 pascals.
Result = input x 9806.65 / 100.
Pressure uses the pascal as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Meter of waters to Millibars
Meter of water and Millibar both show up on pressure gauges — psi is standard on US tire and tool specifications, while bar is the everyday pressure unit across most of the rest of the world. Specifically: Meter of water column, and a millibar is 100 pascals.
Formula
millibars = meter of waters × 98.0665
This factor comes from each unit's defined relationship to the category's base unit: 1 meter of water equals 9806.65 base units, and 1 millibar equals 100 base units, so dividing one by the other gives the direct meter of water-to-millibar factor of 98.0665.
Simple example
1 mH2O × 98.0665 = 98.0665 mbar
1 meter of water = 98.0665 millibars.
Real-world example
35 mH2O × 98.0665 = 3,432.3275 mbar
35 meter of waters = 3,432.3275 millibars.
Conversion table
| Meter of water (mH2O) | Millibar (mbar) |
|---|---|
| 1 mH2O | 98.0665 mbar |
| 5 mH2O | 490.3325 mbar |
| 10 mH2O | 980.665 mbar |
| 25 mH2O | 2,451.6625 mbar |
| 50 mH2O | 4,903.325 mbar |
| 100 mH2O | 9,806.65 mbar |
Reverse conversion: Millibar to Meter of water
98.0665 mbar × 0.01019716213 = 1 mH2O
98.0665 millibars = 1 meter of water.
meter of waters = millibars × 0.0101971621298
For a page dedicated to this direction, see Millibar to Meter of water.
Understanding the Meter of water (mH2O)
Meter of water column.
Understanding the Millibar (mbar)
A millibar is 100 pascals.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millibars are in 1 meter of water?
1 meter of water equals 98.0665 millibars, using the exact defined conversion factor rather than an estimate.
How do I convert meter of water to millibar?
Multiply the meter of water value by 98.0665. The converter above does this instantly to whatever precision you set.
How do I convert millibar back to meter of water?
Use the reverse factor: 1 millibar equals 0.0101971621 meter of waters. You can also use the swap control in the converter above to flip the direction instantly.
What is a meter of water?
Meter of water (mH2O) is a unit of pressure.
What is a millibar?
Millibar (mbar) is a unit of pressure.
Is the meter of water to millibar conversion exact?
Yes. Both meter of water and millibar are defined by fixed standards rather than physical artifacts, so the factor of 98.0665 used above is exact to as many digits as you choose to display.