Bars to ksi Converter
Enter the pressure in bars below to convert it to ksi.
Convert Bars to ksi
Enter a value in bars (bar) to convert to ksi (ksi).
Bar to Kilopounds per Square Inch Conversion Table
Table showing various bar measurements converted to ksi. Click any preset value or arrow to load it into the converter.
| Bars (bar) | ksi (ksi) |
|---|---|
| 1 bar | 0.0145038 ksi |
| 2 bar | 0.0290075 ksi |
| 2.5 bar | 0.0362594 ksi |
| 5 bar | 0.0725189 ksi |
| 10 bar | 0.1450377 ksi |
| 15 bar | 0.2175566 ksi |
| 20 bar | 0.2900755 ksi |
| 25 bar | 0.3625943 ksi |
| 30 bar | 0.4351132 ksi |
| 50 bar | 0.7251887 ksi |
How to Convert Bars to ksi
To convert bars to ksi, multiply the pressure by the following conversion ratio: 0.0145038 ksi/bar.
Since one bar is equal to 0.0145038 ksi, you can use this simple formula to convert:
The pressure in ksi is equal to the pressure in bars multiplied by 0.0145038.
For example, here's how to convert 5 bars to ksi using the formula above.
How Many ksi Are in a Bar?
There are 0.0145038 ksi in a bar, which is why we use this value in the formula above.
Our bar to kilopounds per square inch calculator automatically converts your pressure measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Bars and ksi are both units used to measure pressure. Keep reading to learn more about each unit.
What Is a Bar?
A bar is a unit of pressure equal to 100,000 pascals (Pa), the base unit for pressure. Metric pressure unit equal to 100,000 Pascals (100 kPa). [1]
The bar is classified as a metric and SI-compatible unit of pressure. Bars can be abbreviated as bar; for example, 1 bar can be written as 1 bar.
When working with bars (bar) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, bars (bar) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within SI metric workflows, engineering documentation, and technical data sheets.
What Is a Kilopounds per Square Inch?
A kilopounds per square inch is a unit of pressure equal to 6,894,757.293168 pascals (Pa), the base unit for pressure. Materials engineering yield strength unit equal to 1,000 PSI (6.89476 MPa). [2]
The kilopounds per square inch is classified as a US customary unit of pressure. ksi can be abbreviated as ksi; for example, 1 kilopounds per square inch can be written as 1 ksi.
In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilopounds per square inch (ksi) a convenient decimal multiple of the pascal (Pa).
In practice, ksi (ksi) are widely used across large-scale industrial, bulk, and macro-level pressure specifications within US customary workflows, engineering documentation, and technical data sheets.
When converting pressure between bars (bar) and ksi (ksi), keep full floating-point precision (1 bar = 0.0145038 ksi; 1 ksi = 68.9475729 bar) during intermediate calculations and round only the final kilopounds per square inch figure to match your instrument tolerance.
More Bar & Kilopounds per Square Inch Conversions
Need to calculate in the opposite direction? Use our ksi to bars calculator to switch your starting unit immediately. You can also explore related tools such as converting ksi to bars, converting megapascals to ksi, or converting bars to psi.
Frequently Asked Questions
References
- [1]NIST SP 811 StandardNIST SP 811 (NIST SP 811 App. B.9 (Pressure & Stress))·Pressure Metrology Standard — Bars (bar) to ksi (ksi)
- [2]NIST CUU SpecificationNIST CUU (Derived SI Unit: Pascal (Pa))·Unit Specifications: Bar (bar) & Kilopounds per Square Inch (ksi) (ksi)
- [3]BIPM ReferenceBIPM (SI Brochure (9th Ed.) — Mechanics)·Conversion Factors & Mathematical Basis (bar to ksi)