There can be no equivalence.
An inch is a measure of length in 1-dimensional space while a dram is a measure of mass or of volume in 3-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, any attempt at conversion from one to the other is fundamentally flawed.
1/60th of a dram equals one minim
1 dram= 3.697 ml
1 dram = 0.003 906 25 pound
1/16 of an ounce equals a dram.
There are 1/8 of an ounce in 1 dram.
1 dram equates to 1,772 mg
15.95 Rupees is 1 dram.
1 dram = 27.34 grains.
1 dram = 1.3671875 scruples
One foot equals 12 inches.
36 inches equals 3 feet equals 1 yard
If 1 foot equals 12 inches, then 50 inches equals 4.16 feet. If 1 foot equals 12 inches, then 50 inches equals 4.16 feet.