Convert psi to bars instantly: 1 psi = 0.06894757293 bar. Type a value to see the result with the formula, swap direction with one tap, or pick any other pressure units from the dropdowns. Free tool with formula and table, no sign-up.
What does this tool do?
The psi to bar converter is a fast, no-sign-up converter for pressure units from psi to bar, kPa and mmHg. Enter any number in the PSI field and the equivalent in bars appears immediately, together with the conversion formula for transparency. You can reverse the conversion with the swap control, choose any of the 7 pressure units from the dropdowns, and copy the result in one tap. Everything runs in your browser, so it works on slow connections and never sends your numbers anywhere.
It follows the utility philosophy: open, use, close. No onboarding, no settings to learn, no account to create — the controls are self-explanatory and the result is immediate. That simplicity is why it works as well on a borrowed phone as on your own laptop.
How do I use this tool?
The tool is ready the moment the page opens — no setup, no account. The steps below cover everything it does.
- Type the value into the “PSI” field.
- Read the converted value in bars — the formula used is shown underneath.
- Tap “Copy result” to copy the answer to your clipboard.
- Use the swap button (⇄) to reverse the conversion direction.
- Pick any other pressure units from the “From” and “To” dropdowns.
PSI to Bar formula
bars = psi × 0.0689475729
Example: 5 psi = 0.344738 bar.
Reverse: 1 bar = 14.503774 psi (see Bar to PSI).
Timing and randomness use the browser’s high-resolution clocks and cryptographic random source — the best available in a web page, accurate far beyond what everyday uses need. Display rounding is the only approximation.
PSI to Bar conversion table
| PSI (psi) | Bar (bar) |
|---|---|
| 1 | 0.0689476 |
| 2 | 0.137895 |
| 3 | 0.206843 |
| 4 | 0.27579 |
| 5 | 0.344738 |
| 6 | 0.413685 |
| 7 | 0.482633 |
| 8 | 0.551581 |
| 9 | 0.620528 |
| 10 | 0.689476 |
| 11 | 0.758423 |
| 12 | 0.827371 |
| 15 | 1.03421 |
| 20 | 1.37895 |
| 25 | 1.72369 |
| 30 | 2.06843 |
| 40 | 2.7579 |
| 50 | 3.44738 |
| 60 | 4.13685 |
| 70 | 4.82633 |
| 75 | 5.17107 |
| 80 | 5.51581 |
| 90 | 6.20528 |
| 100 | 6.89476 |
| 150 | 10.3421 |
| 200 | 13.7895 |
| 250 | 17.2369 |
| 500 | 34.4738 |
| 1,000 | 68.9476 |
What are these units?
PSI (psi): Pounds per square inch. Used for tyre pressure in the US, UK and Pakistan.
Bar (bar): 100 kPa, close to atmospheric pressure at sea level.
Use cases in Pakistan
Tyre pressure in psi is the most common pressure conversion in Pakistan — every petrol pump air station and puncture shop uses it. Doctors record blood pressure in mmHg, workshop air compressors and paint sprayers are rated in bar or psi, and gas engineers work in kPa. Converting between these units matters for safety as well as convenience, from correctly inflated tyres on the motorway to properly rated equipment.
These are the tools people recommend to each other on WhatsApp — simple, free, no install — because they solve the small problems everyone hits: timing something, picking fairly, testing a device. Bookmark the ones you use; they age well.
Limitations
Factors are exact definitions. Real gauges have calibration error, and tyre pressure changes with temperature — always measure tyres cold. For medical or industrial safety decisions, use calibrated instruments and professional guidance, not a unit conversion.
Convenience tools are not certified instruments: fine for everyday purposes, but do not stake safety, money or legal outcomes on a browser utility. Know which category your use falls into.
Frequently asked questions
How many bars are in a psi?
There are 0.068947573 bars in one psi.
How do I convert psi to bars?
bars = psi × 0.0689475729. Example: 5 psi = 0.344738 bar.
How many bars are in one psi?
Exactly 0.06894757293 bar. Both units have exact international definitions, so this factor is not rounded — any rounding you see is only in how many decimals are displayed.
How do I convert bars back to psi?
Tap the swap button (⇄) above the result to reverse the direction instantly, or open the dedicated Bar to PSI converter page.
Can I convert between other pressure units?
Yes. The From and To dropdowns list all 7 pressure units this converter knows — pick any pair, for example PSI to pascal or bar to bar.
How accurate is the result?
It uses the exact defined values of both units and displays up to 10 significant figures — far more precision than any ruler, scale or bill needs. The conversion itself introduces no error; only the displayed decimals are rounded.
Updated October 2026 · Built and tested by Sharjeel Tahir · How our tools are tested