Convert bars to psi instantly: 1 bar = 14.50377377 psi. 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?
This bar to psi converter converts pressure units from psi to bar, kPa and mmHg the moment you type — no buttons to press, no page reloads. The converted value appears with the formula used, so you can see exactly how the answer was produced and reuse it in homework, bills or documents. A swap button (⇄) reverses the direction instantly, and the From and To dropdowns give you every pressure unit the converter knows, not just this pair. A “Copy result” button puts the answer on your clipboard for pasting into WhatsApp, Excel or a quotation.
The Bar to PSI Converter is free of the usual catches: no watermark on results, no “three free uses” counter, no app install nagging. It does the job and gets out of the way, which is all a utility should do.
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 “Bar” field.
- Read the converted value in psi — 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.
Bar to PSI formula
psi = bars × 14.5037738
Example: 5 bar = 72.5189 psi.
Reverse: 1 psi = 0.068947573 bar (see PSI to Bar).
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.
Bar to PSI conversion table
| Bar (bar) | PSI (psi) |
|---|---|
| 1 | 14.5038 |
| 2 | 29.0075 |
| 3 | 43.5113 |
| 4 | 58.0151 |
| 5 | 72.5189 |
| 6 | 87.0226 |
| 7 | 101.526 |
| 8 | 116.03 |
| 9 | 130.534 |
| 10 | 145.038 |
| 11 | 159.542 |
| 12 | 174.045 |
| 15 | 217.557 |
| 20 | 290.075 |
| 25 | 362.594 |
| 30 | 435.113 |
| 40 | 580.151 |
| 50 | 725.189 |
| 60 | 870.226 |
| 70 | 1,015.26 |
| 75 | 1,087.78 |
| 80 | 1,160.3 |
| 90 | 1,305.34 |
| 100 | 1,450.38 |
| 150 | 2,175.57 |
| 200 | 2,900.75 |
| 250 | 3,625.94 |
| 500 | 7,251.89 |
| 1,000 | 14,503.8 |
What are these units?
Bar (bar): 100 kPa, close to atmospheric pressure at sea level.
PSI (psi): Pounds per square inch. Used for tyre pressure in the US, UK and Pakistan.
Use cases in Pakistan
Pressure units show up at the petrol pump and the clinic in Pakistan. Tyre pressure is checked in psi (usually 28–35 for cars) at every puncture shop and petrol station air point; blood pressure is read in mmHg at every doctor’s visit; and workshop compressors, gas cylinders and water pumps are rated in bar, kPa or psi. Converting between them keeps tyres safe and machinery correctly specified.
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 psi are in a bar?
There are 14.503774 psi in one bar.
How do I convert bars to psi?
psi = bars × 14.5037738. Example: 5 bar = 72.5189 psi.
How many psi are in one bar?
Exactly 14.50377377 psi. 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 psi back to bars?
Tap the swap button (⇄) above the result to reverse the direction instantly, or open the dedicated PSI to Bar 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 Bar to pascal or bar to psi.
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