Pascals (Pa) to Millibars (mbar) Converter
Enter a value to instantly convert between pressure units.
1 Pascal = 0.01 Millibar
Key Formulas
Pound per Sq. Inch → Bar
bar = psi × 0.0689476Bar → Pound per Sq. Inch
psi = bar × 14.5038Atmosphere → Pound per Sq. Inch
psi = atm × 14.6959Pound per Sq. Inch → Atmosphere
atm = psi × 0.068046Formula
mbar = Pa ÷ 100A millibar is 100 pascals — meteorologists use millibars (or hectopascals, hPa, which are equivalent) for atmospheric pressure. Standard sea-level pressure is 1013.25 mbar. Pilots use altimeter settings in millibars, and weather maps show isobars in millibars for pressure gradient analysis.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A meteorologist confirming 1 mbar = 100 Pa for weather map isobar calculations.
100 Pa = 1 mbar
An aviation meteorologist calculating 10 mbar pressure drop for turbulence intensity estimation.
1000 Pa = 10 mbar
A pilot noting standard atmosphere = 1013.25 mbar for altimeter setting.
101325 Pa = 1013.25 mbar
A weather forecaster converting 500 mbar low pressure system to Pa for model input.
50000 Pa = 500 mbar