legacy units   the Harmonic System  difference/% 
 8 feet  ≒  9harmons(hm) +0.52097
 9 double hours 8super nics (Snc) +0.00003
hours 4
 4 duodecimal centuries 9spans (exact)
 14. ounces 3loolohs(ll) -0.35538
 3 acres 8super squares (Ssq) +1.33519
 8  19;(21.) -0.23092
 1 cm3 1sub cube(scb) -2.64370
 5 imperial bushels 9cubes (cb) -0.01447
 4 U.S. bushels 7 +0.32422
24gallons (U.S. liquid) 3 +0.06464
26 quarts
27 pints
211. ounces
1gallon ½ harmon × ½ harmon × ¾ harmons
 100. yards 240;harmons (hm) +0.07693
 1 nautical league 1super harmon(s) (Shm) +1.62010
 7 miles 2 +0.26260
 200.  49;(57.) +0.01194
 1 astronomical unit X;(10.)light millies (c0sEmday) +0.19944
 40. NTSC frames 3;5
(41./12.)
nics (nc) -0.00231