What is the inHg to psi Converter?
This tool converts Inch of Mercury (inHg) to Pound per Square Inch (psi) quickly and accurately. Whether you work with tire pressure, hydraulic systems, or scientific measurements, it delivers instant results right in your browser.
Understanding the Units
Inch of Mercury (inHg)
Pound per Square Inch (psi)
Who Uses This Conversion?
Engineers
Automotive Technicians
Scientists & Students
How to Convert inHg to psi
Enter the inHg Value
Type your Inch of Mercury value into the first input field.
Read the psi Result
The Pound per Square Inch result appears instantly in the second field as you type.
Copy the Result
Click the copy button to copy the converted value to your clipboard.
Reverse Conversion
Need to convert psi back to inHg? Click the swap button (↔) to reverse the direction, or type directly in the psi field.
Tips for Accurate Conversions
- Use decimal points for precise values (e.g., 14.7 instead of 15).
- Large numbers are formatted automatically with thousand separators.
- Results update instantly as you type — no convert button needed.
Features
Instant Conversion
Results appear as you type, using precise conversion factors for accuracy.
Bidirectional Input
Type in either field and the other updates automatically.
Copy Results
Copy any value with one click for documents, emails, or reports.
Quick Reference Table
See common inHg-to-psi conversions at a glance.
Many Pressure Units
Switch between Pascal, Bar, PSI, atm, Torr, mmHg, and more from the dropdowns.
Mobile Friendly
Works on desktop, tablet, and mobile — convert anywhere.
Common inHg to psi Values
| Inch of Mercury (inHg) | Pound per Square Inch (psi) |
|---|---|
| 1 inHg | 0.4912 psi |
| 5 inHg | 2.46 psi |
| 10 inHg | 4.91 psi |
| 20 inHg | 9.82 psi |
| 50 inHg | 24.56 psi |
| 100 inHg | 49.12 psi |
Frequently Asked Questions
How do I convert inHg to psi?
Multiply the inHg value by 0.491154. For example, 1 inHg = 0.491154 psi.
What is the formula for inHg to psi?
The formula is psi = inHg × 0.491154. To convert back: inHg = psi × 2.0360.
Is this converter accurate?
Yes. It uses internationally recognized conversion factors with high precision, suitable for engineering and scientific work.
Can I convert other pressure units?
Yes. Use the dropdown menus to choose from many units including Pascal (Pa), Bar, PSI, atm, Torr, mmHg, inHg, and more.
Does it work offline?
Once the page loads, every calculation happens in your browser. You only need an internet connection for the initial page load.
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