View all text of Subpart A [§ 61.01 - § 61.19]
§ 61.03 - Units and abbreviations.
Used in this part are abbreviations and symbols of units of measure. These are defined as follows:
(a) System International (SI) units of measure:
A = ampere g = gram Hz = hertz J = joule K = degree Kelvin kg = kilogram m = meter m 2 = square meter m 3 = cubic meter mg = milligram = 10(b) Other units of measure:
°C = degree Celsius (centigrade) cfm = cubic feet per minute cc = cubic centimeter Ci = curie d = day °F = degree Fahrenheit ft 2 = square feet ft 3 = cubic feet gal = gallon in = inch in Hg = inches of mercury in H(c) Chemical nomenclature:
Be = beryllium Hg = mercury H(d) Miscellaneous:
act = actual avg = average I.D. = inside diameter M = molar N = normal O.D. = outside diameter % = percent std = standard