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Half-line

Conversions to other units

Conversions from other units

Physical quantity

pressure

Unit system

(not in a named unit system)

Basic unit dimensions

[mass] [length]^(-1) [time]^(-2)

Corresponding quantities for 1 half-line

Depth of water d giving gauge pressure p_e from p_e = ρ_(H_2O)gh:
| 0.68 inches
| 17 mm (millimeters)
| (assuming conventional water density ≈ 1000 kg/m^3)

Standard Atmosphere altitude:
| 27 miles
| 44 km (kilometers)
| (based on 1976 US Standard Atmosphere)

Comparisons for 1 half-line as pressure

≈ (0.02 to 0.1) × approximate explosion peak overpressure needed to break a glass window ( 1000 to 10000 Pa )

≈ (0.1 to 0.2) × atmospheric pressure on the surface of Mars ( 0.0066 to 0.011 bar )

≈ 0.28 × partial vapor pressure at the triple point of water ( 611.7 Pa )

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