psi to bar

Convert psi to bar. Enter a value and view the calculation method, examples and conversion table.

Pressure converter

Worked example1 psi ≈ 0.0689476 bar
Converted value

1Pounds per square inch≈0.0689476Bars

Enter a finite value between 0 and 1 trillion, with up to 8 decimal places.

Auto mode preserves significant digits for small values; manual mode rounds to the selected decimal places. ≈ means approximate; < means below the display limit. Extreme values use × 10ⁿ. Calculations are rounded only for display.

psi to bar formula

The calculator converts the input to the category's reference unit, then divides by the target unit's factor.

Result = input × source factor ÷ target factor

1 × (6,894.75729317 ÷ 100,000) ≈ 0.0689476

Worked example: 1 Pounds per square inch ≈ 0.0689476 Bars

Auto mode preserves significant digits for small values; manual mode rounds to the selected decimal places. ≈ means approximate; < means below the display limit. Extreme values use × 10ⁿ. Calculations are rounded only for display.

psi to bar conversion table

psi to bar
Pounds per square inchBars
1 Pounds per square inch≈ 0.0689476 Bars
2 Pounds per square inch≈ 0.137895 Bars
5 Pounds per square inch≈ 0.344738 Bars
10 Pounds per square inch≈ 0.689476 Bars
20 Pounds per square inch≈ 1.378951 Bars
50 Pounds per square inch≈ 3.447379 Bars
100 Pounds per square inch≈ 6.894757 Bars
250 Pounds per square inch≈ 17.236893 Bars
500 Pounds per square inch≈ 34.473786 Bars
1,000 Pounds per square inch≈ 68.947573 Bars

Definitions and assumptions

Pressure factors are expressed relative to pascals. A standard atmosphere is exactly 101325 Pa and one bar is exactly 100000 Pa. Liquid-column units use conventional reference values; actual pressure depends on density and gravity.

How to use this calculator

  1. Enter the value you want to convert.
  2. Choose the source and target units, then adjust the display precision if needed.
  3. Read the result. Select Convert to open a page for this value, or use the table below.

Frequently asked questions

how many bar is 1 psi?

1 Pounds per square inch ≈ 0.0689476 Bars. Auto mode preserves significant digits for small values; manual mode rounds to the selected decimal places. ≈ means approximate; < means below the display limit. Extreme values use × 10ⁿ. Calculations are rounded only for display.

how to convert psi to bar?

The calculator converts the input to the category's reference unit, then divides by the target unit's factor. 1 × 0.0689475729317 ≈ 0.0689476 Bars. Use the source and target factors shown in the formula. The worked example uses the value on this page, and the table provides other common values.

Does this convert gauge pressure to absolute pressure?

The tool changes units only. Converting gauge pressure to absolute pressure also requires the reference atmospheric pressure, which must be added separately in consistent units.

Why is the displayed result rounded?

Auto mode preserves significant digits for small values; manual mode rounds to the selected decimal places. ≈ means approximate; < means below the display limit. Extreme values use × 10ⁿ. Calculations are rounded only for display.

What input range can I use?

This calculator accepts non-negative values up to 1 trillion, with up to 8 decimal places. It does not calculate signed vectors or calendar date intervals.

Why is a unit unavailable?

A conversion is unavailable when a verified unit definition or a current exchange-rate value has not been configured. The tool does not invent a coefficient.

Sources and methodology

Methods and sources · Content revised

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