Pressure Converter
Pressure is force per unit area (P = F/A). The SI unit is the pascal (Pa = N/m²). Common units include atmospheres (atm), bar, PSI (pounds per square inch), mmHg (torr), and kPa. Pressure is used in weather, diving, tire pressure, and fluid dynamics.
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Pro Tip
Car tire pressure: check when cold (parked 3+ hours). Pressure rises ~4 PSI when warm from driving. The recommended PSI is on a sticker inside the driver's door, not on the tire sidewall (that's the maximum, not the recommended).
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Did You Know?
At the bottom of the Mariana Trench (~11,000m deep), the pressure is about 1,100 atm = 16,000 PSI. This is equivalent to 50 jumbo jets stacked on top of you. Specialized submarines with thick steel hulls are needed to survive this.
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