16 MISC. PUBLICATION 225, U. S. DEPT. OF AGRICULTURE 
TaBLE 27.—The International log rule 
[Saw kerf 44 inch]! 
Vclume in board feet of logs of indicated length in feet 
: : Diame- 
Diameter (inches) ter, 
8 10 12 14 16 18 20 | inches 
4 EN Seo ee ee eee Ses coe 5 5 5 5 5 10 4 
eee ede ee eae eh 5 5 10 10 10 15 15 5 
Ga. eee ig eh See Pe Tee 10 10 15 15 20 25 25 6 
YE es a ay ae ee ee GR 10 if | 20 25 30 35 40 rd 
SES one ee ee a 15 20 25 35 40 45 50 8 
92 2 ce 2A SORES meee 20 30 35 45 50 60 70 9 
(Ob eae Sse ee eae ee ee 30 35 45 55 65 75 85 10 
|) ee eee Are ee ee Ne a EL 35 45 55 70 80 95 105 di 
Pie fe ante ee et oe ee 45 55 70 85 95 110 125 12 
PSs S28 Oehe ie eS ee See 55 A 85 100 115 135 150 13 
(42205 22 BS Se ee ee 65 80 100 115 135 155 175 14 
| See eee SE ee aren ae IRF 75 95 115 135 160 180 205 15 
WG 52 Bo 3 Be ee 85 110 130 155 180 205 235 16 
PiGpme Sh? 2 Egg 9am 5 ee DS eg a EE 95 125 150 180 205 235 265 17 
AOS 24m sa Pays od tS ts es eee 110 140 170 200 230 265 300 18 
| 1? suena dete SS Se eee ee See 125 155 190 225 260 300 335 19 
D023 2 ee eee: ee 135 175 210 250 290 330 370 20 
7) ee ee Se ee a ae ae eee ae ey LS 155 195 235 280 320 365 410 21 
1 IIE SP OS ROIS ete meek Ie Pie ae 2 Ev 170 215 260 305 355 405 455 22 
Derk. 5 heise | eee oe eee eee EE 185 235 285 335 390 445 495 23 
DA ete =f pee Apes oP 7 pee EEE 205 255 310 370 425 485 045 24 
Qe = Ave ieee. Nee Ble 220 280 340 400 460 525 590 25 
Die 3 55k weet eee eee ee 240 305 370 435 500 570 640 26 
2) ee oe ee See ee ee ae Be 260 330 400 470 540 615 690 27 
DS yes ai sore ss A pepe on Ce ee ae 280 355 43 510 585 665 745 28 
2). ley ae BE Ge) Sener Se eke ae 305 385 465 545 630 715 800 9 
BQ... ape. b eee Fe ee eee 325 410 495 585 675 765 850 30 
Gilet 5 gee Bt es ee 350 440 530 625 720 $20 915 31 
ae ee Speer eee een eee es ey eon ay | De 375 470 570 670 779 875 980 32 
BS eee Bene aes Meee aed 2S ve re Ea 400 500 605 715 820 930 1045 33 
eee ere ee es ae Pe | et 425 535 645 760 875 990 1110 34 
Owen. ae 2 ee. dea oe ee Aa. Bd 450 565 685 805 925 1050 1175 35 
DONS 6b see ee By ee 475 600 725 855 980 1115 1245 36 
Sips = 2 eee Bene ee BE 505 635 77 905 1040 1175 1315 37 
01 ee Seen tiene Ge enna, “Bee eee Bi Boe 525 670 810 955 1695 1245 1390 38 
5 1 Se ee eee See ae Ses eee | 565 710 855 1005 1155 1310 1465 39 
Ahan oe app eee renee 2 Pe 595 750 900 1060 1220 1380 1540 40 
| (Eee Oe eee eee oe Se ete Se eee) Ae 625 785 950 1115 1280 1450 1620 41 
ADnce -* bea 3S ec Ra ee Te 655 825 95 1170 1345 1525 1705 42 
rE wl ees Cee 2 690 870 1045 1230 1410 1600 1785 43 
BAe! 2 oi Ne gna SE apeene T  iy = 725 910 1095 1290 1480 1675 1870 44 
QB oi ak orn Ee sy a 755 955 1150 1350 1550 1755 1960 45 
AQ wer ka ewe 3 nee ee Bee TP a 795 995 1200 1410 1620 1835 2050 46 
A(t oN “yee OR ae he Bey TE 830 1040 1255 1475 1695 1915 2140 47 
7 A ee eee en ee ae ee ee 865 1090 1310 1540 1770 2000 2235 48 
A ee ee ee ee ee re eee | See 905 1135 1370 1605 1845 2085 2330 49 
OO) 8 oe A epee SB tne i a 940 1185 1425 1675 192 2175 2425 50 
5) ee Rete pete es, ae pe ) Seg 980 1235 1485 1745 2000 2265 2525 51 
92+ ee Serre eee ee 1020 1285 1545 1815 2080 2355 2625 62 
Seiko sa Sao dee eS ee ee 1060 1335 1605 1885 2165 2445 2730 53 
SAE = arlene ceil Se Sn PE ae ee 1100 1385 1670 1960 2245 2540 2835 54 
Eek Sk a eNO ats ha lest Saat ee 1145 1440 1735 2035 2330 2640 2945 55 
DG hs See a td Se ee eS Ss eS. 1190 1495 1800 2110 2420 2735 3050 56 
5 (ea ae a ee ee ae es aa Bee 8 1230 1550 1865 2185 2510 2835 3165 57 
BS wk le ee ee ee 1275 1605 1930 2265 2600 2935 3275 58 
5G 245s eee See ee Se ee 1320 1660 2000 2345 2680 3040 3390 69 
GOY a0 oho oe Bes ae Se ee 1370 1720 2070 2425 2785 3145 3510 60 
1 Seale for seasoned lumber with 46-inch shrinkage per 1-inch board, and saws cutting a 44-inch kerf, 
or for green lumber, for saws cutting a 3i6-inch kerf. For saws cutting a 1¢-inch kerf add 10.5 percent. 
Formula: ((D?X0.22) —0.71D) X0.904762 for 4-foot sections. 
Taper allowance: 14 inch per 4 feet lineal. 
NotEe.—The International log rule gives consistent results under good milling practice. It is the most 
fair rule for all classes of timber and logs and should be used for second-growth material particularly. For 
this reason the International volume tables are recommended. 
