Smalian's formula
Smalian's formula
[′smȯl·yəns ‚fȯr·myə·lə] (forestry)
A cubic volume formula used in log scaling, expressed as cubic volume = [(B + b)/2] L, where B = the cross-sectional area at the large end of the log, b = the cross-sectional area at the small end of the log, and L = log length.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.