Dimensions and Physical Characteristics of Copper Tube: Type L

Nominal or standard size, inches Nominal dimensions, inches Calculated values (based on nominal dimensions)
Outside diameter Inside diameter Wall thickness Cross sectional area of bore, sq. inches Weight of tube only, pounds per linear ft. Weight of tube & water, pounds per linear ft. Contents of tube per linear ft
Cu ft. Gal.
1/4 .375 .315 .030 .078 .126 .160 .00054 .00405
3/8 .500 .430 .035 .145 .198 .261 .00101 .00753
1/2 .625 .545 .040 .233 .285 .386 .00162 .0121
5/8 .750 .666 .042 .348 .362 .506 .00232 .0174
3/4 .875 .785 .045 .484 .455 .664 .00336 .0251
1 1.125 1.025 .050 .825 .655 1.01 .00573 .0429
1-1/4 1.375 1.265 .055 1.26 .884 1.43 .00875 .0655
1-1/2 1.625 1.505 .060 1.78 1.14 1.91 .0124 .0925
2 2.125 1.985 .070 3.09 1.75 3.09 .0215 .161
2-1/2 2.625 2.465 .080 4.77 2.48 4.54 .0331 .248
3 3.125 2.945 .090 6.81 3.33 6.27 .0473 .354
3-1/2 3.625 3.425 .100 9.21 4.29 8.27 .0640 .478
4 4.125 3.905 .110 12.0 5.38 10.1 .0764 .571
5 5.125 4.875 .125 18.7 7.61 15.7 .130 .971
6 6.125 5.845 .140 26.8 10.2 21.8 .186 1.39
8 8.125 7.725 .200 46.9 19.3 39.6 .326 2.44
10 10.125 9.625 .250 72.8 30.1 61.6 .506 3.78
12 12.125 11.565 .280 105 40.4 85.8 .729 5.45