of Weight, 
dupois and Troy. 
cubic decimetre , or 6ro2? cubic inches, of pure water, in vacuo, at f C. (39'2° F.). 
Avoirdupois Pounds, 
(7000 grains .) 
0*00002 
0*00022 
o 00220 
0*02205 
0*22046 
2*20462 
22*04621 
Hundredweights, 
(112 lbs . Av.) 
0*00002 
0*00020 
0*00197 
0*0I968 
0*19684 
= weight of 1 cubic metre of water. 
Avoirdupois, 
lps, oz. 
= 2 
= 22 
^00 nearly. 
m 
15 1 
*54* 
230^ 
119K 
3234 
Troy and Apotheoaries. 
lbs, oz, dr, grs, 
0 0 o dh> 
0 o o * 
° O O 
000 i5| 
o o 2 34 | 
0 3 1 43i 
2 8 I i2£ 
26 9 4 34 
PLIERS. 
Hectogrammes 
to 
Avoir, oz, 
Troy oz. 
Avoir, lbs, 
3*215 
3*537 
• 0*220 
6*430 
7*055 
0*441 
9*645 
10*582 
o*66i 
12*860 
14’no 
o*88a 
16*075 
17*637 
1*102 
19*290 
21*164 
1323 
22*506 
24*692 
1*543 
25*721 
28*219 
1*764 
28*936 
31*747 
1*984 
32*151 
35*274 
2*205 
Troy oz. 
t 0 
Avoir, oz. 
Avoir, lbs, 
32*151 
35*274 
2*205 
64*301 
70*548 
4*409 
96*452 
105*822 
6*614 
128*603 
141*096 
8*8i8 
160*754 
17 
11*023 
192*904 
211*64 
13*228 
225-055 
246*918 
*5*432 
257*206 
282*192 
*7*637 
289*357 
317*465 
19*842 
321*507 
352*739 
22*046 
Apothecaries Weight to Metric. 
Grammes. 
Decagrammes, 
Heotogrammes, 
0*06480 
0*00648 
O*00065 
r29598 
0*12960 
0'01296 
**55517 
0*15552 
0-01555 
3*88794 
0*38879 
0*03888 
3*‘10350 
3*1*035 
0*31103 
373*24*95 
37*32420 
3*73342 
Quintals 
to 
Hundredweights. 
Milliers 
to 
Tons, 
1*968 
0*984 
3*937 
1*968 
5*905 
2*953 
7'87-t 
3*937 
9*843 
4*921 
ii*8io 
5*905 
13*779 
6*889 
15*747 
7*874 
I7*7l6 
8-858 
19*684 
9*842 
Kilogrammes. 
0*00006 
0*00130 
0*00156 
0*00389 
0*03110 
0*37334 
Pound and the ordinary Grain are the only weights adopted . 
to Metric. 
Grammes. 
Deoagrammes, 
Hectogrammes, 
Kilogrammes, 
1*77185 
0-17718 
0-01772 
000177 
28*34954 
2*83495 
0*28350 
0*02835 
453*59265 
45*35927 
4*53593 
0*45359 
6,35a' * 97 H 
6350297 1 
63*50297 
6*35030 
50,802*37709 
5,080*23771 
508*02377 
50*80238 
016,047*54170 
PLISRS. 
101,604-75417 
1,0160*47542 
1,016*04754 
Avoirdnpois Ounces 
la 
Avoirdupois Pounds 
Hundredweights 
Tons 
Grms. 
Heotogrms. 
Kilognps, 
Grms. Heotogrms. Kilogrms. 
Quintals. 
to 
Milliers, 
28*350 
0*283 
0 028 
453*593 4*536 
0*454 
0*508 
1*016 
56*699 
0*567 
o*057 
907*185 9*072 
0*907 
1*016 
2*032 
85*049 
0*850 
oo85 
1360*778 13*608 
1*361 
*•524 
3*048 
113*398 
1*134 
0113 
1814*371 18*144 
1*814 
2*032 
4*064 
141*748 
1*417 
0*142 
2267*963 22*680 
2*268 
3540 
5*080 
170*097 
1*701 
0*170 
2721*556 27*216 
2*722 
3*048 
6*096 
198*447 
1*984 
0*198 
3*75*149 31*75* 
3*175 
3*55® 
7*112 
226*796 
2*268 
0*227 
3628*74 1 36*287 
3*629 
4*064 
8*128 
255*146 
2*55* 
0255 
4082*334 40*823 
4*082 
4*572 
9*144 
283*495 
2*835 
o*a83 
4535*927 45*359 
4*536 
5*080 
10’ 160 
Approximate Equivalents . 
1 000 Kilogrammes or Metric Tonne is nearly 1 English Ton (about less,). 
* 1 Kilogramme equals weight of cubic decimetre or litre of water, 
„ is nearly 2£lb. Avoirdupois (about £°/o more) j 5 Kilos. = 1 1 lb. nearly. 
1 Hectogramme is about 3$ ounces Avoirdupois. 
1 Decagramme is about £ ounce. 
1 Gramme is about 15? grains. 
65 Milligrammes are about 1 grain. 
1 Hundredweight is nearly 51 Kilos, (about £ % less). 
1 ounce Troy = 3 Ito grammes \ The ounce is commonly and conveniently taken as 30 grammes in making u 
1 ounce Avoirdupois = 28 7 7 5 grammes ) photographic formulae. * 
1 Drachm = 4 grammes nearly (about i£ grains less). 
P 
