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


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  • Appendix II to Part 153 - Metric Units Used in Part 153

    Parameter Metric (SI unit) Abbreviation Equivalent to English or common metric
    Force Newton N 0.225 lbs.
    Length Meter m 39.37 in.
    Centimeter cm .3937 in.
    Pressure Pascal Pa 1.450 × 10−4 lbs/in2.
    Kilo-Pascal (1,000 Pascals) kPa 0.145 lbs/in2.
    Kilo-Pascal kPa 1.02 × 10−2 kg/cm2.
    ......do kPa 1 × 103 N/m2.
    Temperature Degree Celsius °C 5/9 (°F-32).
    Viscosity milli-Pascal second mPa. sec 1.0 centipoise.
    Volume Cubic meter m3 264 gallons (gal).
    ......do m3 35.3 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]