1 meter of water [mH2O] = 1.422334 pound per square inch [psi]
Example: 1 meter of water [mH2O] equals 1.422334 pound per square inch [psi].
Examples
1 meter of water [mH2O] = 1.422334 pound per square inch [psi]
2 meter of water [mH2O] = 2.844669 pound per square inch [psi]
5 meter of water [mH2O] = 7.111672 pound per square inch [psi]
10 meter of water [mH2O] = 14.223343 pound per square inch [psi]
20 meter of water [mH2O] = 28.446687 pound per square inch [psi]
25 meter of water [mH2O] = 35.558358 pound per square inch [psi]
Practical Uses for meter water to psi
quick homework checksshopping and product comparisonstravel planningprofessional estimatesDIY and household measurementsgeneral reference
Sources and Accuracy
Pressure conversions use pascal as the reference unit and include common engineering, weather, tire, and laboratory pressure units.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
About These Units
meter of water [mH2O]
Definition
The meter of water (mH2O) is a pressure unit used to express measurements in this converter.
History
This unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current use
Use meter of water when comparing pressure values, checking specifications, converting between systems, or preparing quick estimates.
pound per square inch [psi]
Definition
Pound per square inch is a pressure unit showing pounds-force applied over one square inch.
History
PSI comes from imperial force and area units and remains common in mechanical and pressure-gauge contexts.
Current use
PSI is used for tire pressure, compressors, plumbing, hydraulics, gas cylinders, and equipment ratings.
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How to Convert
Enter the value in the “From value” field.
Confirm the source unit is meter of water [mH2O].
Confirm the target unit is pound per square inch [psi].