Category · 8 units

Pressure

Pressure converter - convert between pascals, kilopascals, bars, atmospheres, psi, millimeters of mercury and millibars.

Active unit

pascals · ≈ 100 Pa (base)

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7 results
  • Papascal100
How we calculated this
Target:
Formula
hPa = Pa × 0.01
Calculation
100 × 0.01 = 1
Factor
× 0.01

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A glowing emerald pressure-gauge dial with a dual bar and PSI scale over a tire cross-section, against a cosmic nebula in violet and magenta
Pressure

Bar, pascal, PSI — how much air is in your tires

The weather report gives pressure in hectopascals, the gauge on your pump has two scales — bar and PSI — and your car manual talks in bar. It is all one phenomenon wearing different uniforms. Here is how to read pressure without slipping up: why tires soften on their own in the cold, why a "3" on the dial can mean two wildly different things, and how much air really belongs in your wheel.

12 min

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