KSI to Bar
Convert ksi to bar instantly. 1 ksi = 68.9475729317 bar. Includes the exact factor, a conversion table of common values and the definition of both units.
How to convert ksi to bar
To convert ksi to bar, multiply by 68.9475729317. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.
bar = ksi × 68.9475729317
KSI to Bar conversion table
The values people look up most often, rounded for reading. Use the calculator above for anything in between.
| KSI | Bar |
|---|---|
| 1 ksi | 68.947573 bar |
| 2 ksi | 137.895146 bar |
| 3 ksi | 206.842719 bar |
| 5 ksi | 344.737865 bar |
| 10 ksi | 689.475729 bar |
| 20 ksi | 1,378.95 bar |
| 25 ksi | 1,723.69 bar |
| 50 ksi | 3,447.38 bar |
| 100 ksi | 6,894.76 bar |
| 500 ksi | 34,473.79 bar |
| 1,000 ksi | 68,947.57 bar |
What is a ksi?
A thousand psi, used for structural steel strength.
What is a bar?
Defined as exactly 100 kPa, very close to one atmosphere at sea level.
The formula
bar = ksi × 68.9475729317
Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.
How to use the KSI to Bar
- Type the number of ksi you want to convert.
- Read the result in bar straight away — there is no button to press.
- Check the table below for the values that come up most often, or reverse the conversion with the linked bar to ksi page.
KSI to Bar — frequently asked questions
How many bar are in a ksi?
One ksi equals 68.9475729317 bar. bar = ksi × 68.9475729317
What is the formula to convert ksi to bar?
The formula is bar = ksi × 68.9475729317. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.
How do I convert bar back to ksi?
Divide instead of multiplying: one bar is 0.0145037738 ksi. The reverse converter is linked in the related tools list.
Is this conversion exact?
Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.
Is this ksi to bar free to use?
Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.
What people search for
This page answers each of these searches. They are the exact phrases visitors use to find the ksi to bar.
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About this calculator
Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.
Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error