How many kilopascals are in one bar?

One bar equals exactly 100 kilopascals (kPa). This is because 1 bar = 100,000 Pa and 1 kPa = 1,000 Pa, so 100,000 ÷ 1,000 = 100 kPa per bar.

How do I convert kPa to bar manually?

Divide the kPa value by 100. For example, 250 kPa ÷ 100 = 2.5 bar. To go the other way, multiply bar by 100 to get kPa.

What is standard atmospheric pressure in kPa and bar?

Standard atmospheric pressure (1 atm) is 101.325 kPa, which equals 1.01325 bar. It is often approximated as 100 kPa or 1 bar for quick calculations.

Is kPa or bar more commonly used?

It depends on the region and industry. Bar is common in European engineering, meteorology, and diving. kPa (or MPa) is the SI-preferred unit and is common in scientific and technical contexts in many countries. Tire pressure in particular uses both — kPa in North America and Canada, bar in Europe.

What is 100 kPa in bar?

100 kPa equals exactly 1 bar. This is also approximately equal to standard atmospheric pressure (which is 101.325 kPa = 1.01325 bar).

Kilopascals to Bars Converter

Name: Kilopascals to Bars Converter
Availability: InStock
Author: Nham Vu

Enter a pressure in kilopascals and get the bar equivalent instantly, with reverse bar-to-kPa conversion included.

Converter

Pressure in kilopascals (kPa)

Result in bars

Reverse: bars to kilopascals

Pressure in bar

Result in kPa

Reference Table

Kilopascals (kPa) Bar

1 kPa 0.01

10 kPa 0.1

50 kPa 0.5

100 kPa (≈ 1 atm) 1

101.325 kPa (1 atm) 1.01325

150 kPa 1.5

200 kPa 2

250 kPa (tire) 2.5

300 kPa 3

500 kPa 5

1,000 kPa (1 MPa) 10

10,000 kPa (10 MPa) 100

Summary

Enter a pressure in kilopascals and get the bar equivalent instantly, with reverse bar-to-kPa conversion included.

How it works

Enter the pressure value in kilopascals (kPa) in the input field.
The bar result appears instantly with no button needed.
Use the reverse field to convert bars back to kilopascals.
Click "Copy" next to any result to copy it to your clipboard.
Check the reference table below for common kPa-to-bar values.

Use cases

Convert tire pressure readings from kPa to bar for international specifications.
Check weather station atmospheric pressure in bar instead of kPa.
Convert hydraulic system pressures between kPa and bar for engineering datasheets.
Verify compressor or pump ratings when switching between unit systems.
Convert scuba tank pressures listed in kPa to the bar values on gauges.
Cross-check HVAC or industrial process pressures on international documents.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu