Bar to Millibar Converter
Enter a value to instantly convert between pressure units.
Precision4 dp
1 Bar = 1000 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 = bar × 1000One bar equals 100,000 pascals, and one millibar equals 100 pascals. Dividing gives exactly 1,000 millibars per bar. This is a simple conversion by a power of 10 — millibar is simply the bar divided by 1000.
Source: NIST SP 811
Frequently Asked Questions
Real-World Examples
One bar equals 1,000 mbar — straightforward conversion.
1 bar = 1000 mbar
Two bar equals 2,000 mbar.
2 bar = 2000 mbar
Half bar is 500 mbar.
0.5 bar = 500 mbar
10.13 bar (1 atm) equals 10,130 mbar.
10.13 bar = 10130 mbar