1. What is a psi to inHg Converter?

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

Purpose: It helps engineers, meteorologists, and technicians work with pressure measurements in different unit systems.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• inHg — Inches of mercury
• psi — Pounds per square inch

Explanation: 1 psi equals approximately 2.03602 inHg, so we divide the psi value by 0.491154 to get the equivalent inHg.

3. Importance of Pressure Unit Conversion

Details: Different fields use different pressure units - psi is common in engineering while inHg is used in meteorology and aviation.

4. Using the Calculator

Tips: Simply enter the pressure value in psi and the calculator will instantly provide the equivalent in inHg.

5. Frequently Asked Questions (FAQ)

Q1: Why convert between psi and inHg?
A: Different industries use different standards - psi is common in engineering, while inHg is standard in weather reporting.

Q2: How accurate is this conversion?
A: The conversion uses the standard factor with 6 decimal precision for maximum accuracy.

Q3: What's the conversion factor based on?
A: It's based on the standard atmospheric pressure definitions: 1 atm = 14.6959 psi = 29.9213 inHg.

Q4: Can I convert negative psi values?
A: This calculator only accepts positive values as negative pressure has different physical meaning.

Q5: What are typical applications for this conversion?
A: Used in weather station calibrations, aircraft instrumentation, and industrial processes that monitor atmospheric pressure.