1 Pa^{ } |
Pascal = 1 N/m^{2 }(The SI unit) |

1 psi^{ } |
= 1 lb/in^{2} (English unit) = 6,891 Pa |

1 Bar^{ } |
= 10^{5} N/m^{2} = 100 kPa ≈ 1 atm |

1 Tor | = 1 mm Hg = 133.3 Pa ≈ 1 kPa |

1 atm | = 101.3 kPa = 760 mm Hg = 29.92 in Hg = 14.70 psi |

Pressures |
Values (Pa = N/m^{2}) |

Best laboratory vacuum | ≈ 10^{-12} Pa |

Sunlight at the Earth's surface | ≈ 3 mPa |

Rock Concert (Pressure on the ear drum)^{* } |
≈ 10 Pa |

Lincoln Penny lying flat (balanced on edge)^{* } |
85 Pa (≈ 16 kPa) |

Blood pressure^{*} |
1 kPa - 15 kPa |

Recyclable Coffee Mug, 3/4 full with a raised edge on the bottom (flat bottom) ^{* } |
≈ 10 kPa (1 kPa) |

Surface of Mars Air Pressure | ≈ 1 kPa |

Atmospheric Pressure of the Earth: 10 km altitude 100 km altitude |
≈ 26 kPa @ 0.1 Pa |

Normal Atmospheric Air Pressure | 1 atm = 101.3 kPa = 14.5 psi |

Tires of a typical car against the ground (This is also approximately same as the pressure inside the tire) ^{* } |
≈ 32 psi = 220 kPa |

Household water pressure^{* } |
≈ 250 kPa |

Hydraulic Elevator Pump^{*} |
≈ 300 kPa |

Under the foot of an Elephant^{* } |
≈ 1 MPa |

Ballet dancer on one foot^{* } |
≈ 2 MPa |

Phonograph stylus tip^{* } |
≈ 10 MPa |

Deep Trenches in Pacific Ocean | ≈ 100 MPa |

Center of the Earth | ≈ 4x10^{11}Pa = 4x10^{6}atm |

Center of the Sun | ≈ 10^{15} Pa = 10^{9} atm |