Table 21. Avoirdupois Weight. United States And British

Grains

Drams

Ounces

Pounds

Hundredweights

Gross Tons

1.

.03657

.002286

.000143

.00000128

.000000176

27.34375

1.

.0625

.003906

.00003488

.000001744

437.5

16.

1.

.0625

.00055804

.00002790

7000.

256.

16.

1.

.0089286

.0004464

784000.

28672.

1792.

112.

1.

.05

5680000.

573440.

35840.

2240.

20.

1.

1 pound avoirdupois = 1.215278 pounds troy. 1 net ton = 2000 pounds = .892857 gross ton.

Table 22. Apothecaries' Weight United States And British

Grains

Scruples

Drams

Ounces

Pounds

1

.05

.016667

.0020833

.000173611

20

1.

.333333

.0416667

.0034722

60

3.

1.

.125

.0104167

480

24.

8.

1.

.0833333

5760

288.

96.

12.

1.

The pound, ounce, and grain are the same as in troy weights. The avoirdupois grain = troy grain = apothecaries' grain.

Troy Weight. United States And British

Grains

Pennyweights

Ounces

Pounds

1

.041667

.0020833

.0001736

24

1.

.05

.0041667

480

20.

1.

.0833333

5760

240.

12.

1.

1 pound troy = .822857 pound avoirdupois. 175 ounces troy = 192 ounces avoirdupois.

Table 24. Linear Measure. United States And British

Inches

Feet

Yards

Rods

Furlongs

Miles

1

.08333

.02778

.0050505

.00012626

.00001578

12

1.

.33333

.0606061

.00151515

.00018939

36

3.

1.

.1818182

.00454545

.00056818

198

16.5

5.5

1.

.025

.003125

7920

660.

220.

40.

1.

.125

63360

5280.

1760.

320.

8.

1.