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Appendix II to Part 153—Metric Units Used in Part 153

Metric Units Used in Part 153

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Displayed edition2026-04-15
Last updated2026-04-15

Appendix II to Part 153—Metric Units Used in Part 153

ParameterMetric (SI unit)AbbreviationEquivalent to English or common metric
ForceNewtonN0.225 lbs.
LengthMeterm39.37 in.
Centimetercm.3937 in.
PressurePascalPa1.450 × 10−4 lbs/in 2.
Kilo-Pascal (1,000 Pascals)kPa0.145 lbs/in 2.
Kilo-PascalkPa1.02 × 10−2 kg/cm2.
......dokPa1 × 10 3 N/m 2.
TemperatureDegree Celsius°C5/9 (°F-32).
Viscositymilli-Pascal secondmPa. sec1.0 centipoise.
VolumeCubic meterm 3264 gallons (gal).
......dom 335.3 ft. 3

[CGD 73-96, 42 FR 49027, Sept. 26, 1977, as amended by CGD 78-128, 47 FR 21212, May 17, 1982; CGD 81-101, 52 FR 7799, Mar. 12, 1987. Redesignated by CGD 92-100, 59 FR 17045, Apr. 11, 1994]