pascal
Papressure · International · Modern
SI derived unit of pressure and stress; 1 Pa = 1 N/m² = 1 kg·m⁻¹·s⁻².
Converter
pressure · International · Modern / historical
bar
barexact
- Record
- M318
- Definition quality
- Standardized
- Conversion mode
- multiplicative
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- Fully calculable
Definition
1 bar = exactly 100,000 Pa.
Reference value
One bar is exactly 100,000 pascals.
History & use
Widely used non-SI pressure unit.
Modern use
Modern use is context-dependent and varies by region or measurement system.
Did you know?
One millibar is exactly one hectopascal.
Sources & evidence
Source tier Tier A · confidence High
Related measurements
pressure · United States · Modern
1 psi = exactly 6894.757293168361 Pa using international lb/in and standard gravity.
pressure · International · Modern
1 atm = 101325 Pa exactly
pressure · Scientific/technical · Modern/historical
1 Torr = (1/760) atm = 101325/760 Pa
pressure · Medical/scientific/technical · Modern
1 mmHg (conventional) = 133.3224 Pa
pressure
1 hPa = 100 Pa; conventional inHg converts using NIST factors.