Pressure Gauge
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      1. Boshart Knowledge Base
      2. Pressure Gauge

      How do I convert inches of water to PSI?

      To convert inches of water (H2O) to PSI multiply the PSI value by 0.036127. On the flip side to convert PSI to inches of water multiply the inches of H2O value by 27.679904.

      Below is a chart with the conversion for the various pressure ranges we carry in "LOW PRESSURE" gauges.