1. What is an inHg to psi Calculator?

Definition: This calculator converts pressure measurements from inches of mercury (inHg) to pounds per square inch (psi).

Purpose: It helps engineers, meteorologists, and technicians convert between these common pressure units used in various applications.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( P_{psi} \) — Pressure in pounds per square inch (psi)
• \( inHg \) — Pressure in inches of mercury

Explanation: The conversion factor 0.491154 is derived from the standard atmospheric pressure definitions of both units.

3. Importance of Pressure Unit Conversion

Details: Accurate pressure conversion is crucial in fields like meteorology, aviation, HVAC systems, and industrial processes where different units are standard.

4. Using the Calculator

Tips: Simply enter the pressure value in inches of mercury (inHg) and the calculator will provide the equivalent in psi.

5. Frequently Asked Questions (FAQ)

Q1: What is inHg?
A: Inches of mercury (inHg) is a unit of pressure based on the height of a mercury column in a barometer.

Q2: Where is inHg commonly used?
A: inHg is commonly used in meteorology for barometric pressure and in some industrial applications.

Q3: What is psi?
A: Pounds per square inch (psi) is a unit of pressure widely used in engineering and industry.

Q4: What's the standard atmospheric pressure in these units?
A: Standard atmospheric pressure is 29.92 inHg or 14.6959 psi.

Q5: Can I convert psi back to inHg?
A: Yes, use the inverse formula: inHg = psi / 0.491154