Convert pound per square inchs to millibars

1 psi = 68.9475729317 mbar — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

68.947 572 931 7mbar
≈ Rounded to 12 s.f. 1 psi ≈ 68.947 572 931 7 mbar
As a fraction: 8896443230521/129032000000
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1 psi = 68.9475729317 mbar
Show this value in all 27 pressure & stress units
  • Gigapascals GPa 0.000 006 894 757 293 17
  • Megapascals MPa 0.006 894 757 293 17
  • Kilopascals kPa 6.894 757 293 17
  • Hectopascals hPa 68.947 572 931 7
  • Pascals Pa 6894.757 293 17
  • Millipascals mPa 6 894 757.293 17
  • Micropascals µPa 6 894 757 293.17
  • Bars bar 0.068 947 572 931 7
  • Millibars mbar 68.947 572 931 7
  • Atmosphere (standard)s atm 0.068 045 963 909 9
  • Atmosphere (technical)s at 0.070 306 957 963 9
  • Torrs Torr 51.714 932 571 5
  • Millitorrs mTorr 51 714.932 571 5
  • Millimeter of mercurys mmHg 51.714 925 203 9
  • Centimeter of mercurys cmHg 5.171 492 520 39
  • Inch of mercurys inHg 2.036 020 677 32
  • Millimeter of waters mmH₂O 703.069 579 639
  • Centimeter of waters cmH₂O 70.306 957 963 9
  • Inch of waters inH₂O 27.679 904 710 2
  • Foot of waters ftH₂O 2.306 658 725 85
  • Pound per square inchs psi 1
  • Kilopound per square inchs ksi 0.001
  • Pound per square foots psf 144
  • Kilogram-force per square centimeters kgf/cm² 0.070 306 957 963 9
  • Kilogram-force per square meters kgf/m² 703.069 579 639
  • Newton per square millimeters N/mm² 0.006 894 757 293 17
  • Dyne per square centimeters dyn/cm² 68 947.572 931 7

Every row is Pound per square inch (psi) converted through the pascal, in exact rational arithmetic.

How to convert pound per square inchs to millibars

Multiply the number of pound per square inchs by 68.9475729317 to get millibars.

Pound per square inch: Exactly 6894.757 293 168 361 Pa — an exact fraction, because both the pound and the inch are defined exactly.

Millibar: Identical to the hectopascal used on modern weather charts.

Pound per square inch to Millibar conversion table

Pound per square inchs (psi) Millibars (mbar)
1 psi 68.947 573
2 psi 137.895 15
3 psi 206.842 72
5 psi 344.737 86
10 psi 689.475 73
20 psi 1378.9515
25 psi 1723.6893
50 psi 3447.3786
100 psi 6894.7573
250 psi 17 236.893
500 psi 34 473.786
1000 psi 68 947.573

Millibar to Pound per square inch conversion table

Millibars (mbar) Pound per square inchs (psi)
1 mbar 0.014 503 774
2 mbar 0.029 007 548
3 mbar 0.043 511 321
5 mbar 0.072 518 869
10 mbar 0.145 037 74
20 mbar 0.290 075 48
25 mbar 0.362 594 34
50 mbar 0.725 188 69
100 mbar 1.450 377 4
250 mbar 3.625 943 4
500 mbar 7.251 886 9
1000 mbar 14.503 774

Frequently asked

How many millibars are in a pound per square inch?

One pound per square inch equals 68.94757293 millibars (psi → mbar). That figure is exact, not rounded.

How do you convert pound per square inchs to millibars?

Multiply the number of pound per square inchs by 68.9475729317 to get millibars.

What is 1 mbar in pound per square inchs?

One millibar is 0.01450377377 pound per square inchs.

What is 10 psi in mbar?

10 psi = 689.475 73 mbar.

What exactly is a pound per square inch?

Exactly 6894.757 293 168 361 Pa — an exact fraction, because both the pound and the inch are defined exactly.

What exactly is a millibar?

Identical to the hectopascal used on modern weather charts.

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