How do I convert bar to Pa?

Use the formula shown above or enter a value to see bar converted to Pa instantly.

What is the formula for bar to Pa?

The converter calculates Pa by applying the category-specific conversion factor for Pressure.

bar and Pa are both part of the Pressure category; pick the unit that matches your measurement context (e.g., scale, region, or industry standard).

Pressure Conversion Cheat Sheet

Use the live converter below to translate between Bar (bar) and Pascal (Pa). Scroll further for quick examples, formula tips, and related units.

Formula insight: Most unit conversions use a simple multiplication or division by a conversion factor. The calculator shows the exact formula used.

Convert

Bar

bar

Pascal

100,000

Rounded result (4 decimals max)

Formula

1 bar = 100,000 Pa

Conversion sourcesTap or click to view references

The International System of Units (SI) — NIST Special Publication 330
National Institute of Standards and Technology (NIST). The SI Brochure (SP 330) is the definitive English edition of the BIPM SI tables. NIST’s edition lists the official constants and conversion factors tying inch-pound units to SI, which SwapUnits applies for length, mass, temperature, pressure, volume, and related conversions. See /standards/nist-si-tenfold for the complete decimal multiple/submultiple table. View source · View SI table

Results update as you type. Swap the direction to convert back from Pa to bar.

Multiply any row by the same factor to scale results. Use the converter above to enter exact values with your own units.

Keep the reciprocal handy when double-checking calculations or undoing a conversion.

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View the full unit roster, charts, and tips for Pressure Conversion Cheat Sheet conversions.