I-convert pulgada ng tubig (4°c) i-convert pascal

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Vice Versa: pascal i-convert pulgada ng tubig (4°c)

Pulgada ng Tubig (4°C)

The <b>inch of water</b> (<b>inH₂O</b>) at 4 °C is a unit of pressure equal to the pressure exerted by a one-inch column of water at its maximum density temperature, approximately 249.089 <b>pascals</b>. It is widely used in HVAC engineering, duct pressure measurement, and low-pressure gas regulation. Because water is much less dense than mercury, the <b>inch of water</b> represents a much smaller pressure than the <b>inch of mercury</b>. 


Pascal

The <b>pascal</b> (<b>Pa</b>) is the SI derived unit of pressure, defined as one <b>newton per square metre</b> (N/m²). It was adopted by the General Conference on Weights and Measures in 1971 and named after the French mathematician and physicist Blaise Pascal. Standard atmospheric pressure is approximately 101,325 <b>Pa</b>, and it is widely used in science, engineering, and meteorology. 


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