TaBLE 4.—Wezight; unit conversion factors, with approximate values 
Avoirdupois weight 2 
Grains ! 
Drams | Ounces | Pounds | Drams | Ounces 
1 0. 03657 | 0.002286 | 0.000143 | 0.016667 | 0.002083 
$7) [4000 [460] (%oo) 
27. 34375 1 0. 0625 | 0.003906 0. 45573 | 0. 056966 
[Me] (450) (4%) 
437.5 16 31 0. 0625 7. 292 0.9115 
(440) [46] 
7, 000 256 16 1 116. 667 14. 5833 
(1444) 
60 | 2.194286 | 0.137143 | 0. 008571 1 0. 125 
(2) (Yi [+6] 
480 | 17. 55429 1. 09714 0. 06857 1 
(1) (4s) 
5, 760 210. 651 13. 1657 | 0.822857 96 12 
(13) (% 
ONO15432> |GO8 000567) ae aa oe | ee Ol0002578 ea 
(%s) 
15. 43236 | 0. 564383 | 0.035274 | 0.002205 | 0. 257206 | 0.032157 
(15) (4s) (4o) 
Hundred- Short Long 
weight tons tons 
Wis. eee 100 0. 05 0. 045 
[140] (440) 
A al ak pence ee 2, 000 1 0. 89286 
(Mo) 
Dee | eet Ss 2, 240 et? 
(1M%o) 
Fives (Dis | ye eee ee ce 2, 204.62 | 1.102317 | 0.984206 
(1Mo0) 
15, 482. 4 | 0.022046 | 35. 27396 | 2.204622 | 0.001102 | 0. 000984 
(35) 
(2%) 
Troy and apothecaries’ weight 
Pounds 
0. 002679 
2. 679228 
(272) 
1 The grain is common to avoirdupois, troy, and apothecaries’ systems. 
2 British units include 1 hundredweight (long, or one-twentieth long ton)=4 quarters=8 stone=112 
oounds=50.8 kg; 1 stone=14 pounds=6.35 kg. 
3 1 ounce (avoirdupois) =0.001 cubic foot of water at 16.7° C., or 62.05° F. 
41 metric carat =200 mg=3.08647/ grains. 
§ 1 tonne=10 quintals=100 myriagrams. 
MISC. PUBLICATION 225, U. S. DEPT. OF AGRICULTURE 
Metric system 
Milli- j Kilo- 
grams Grams grams 
64. 7989 | 0.064799 |__-_______ 
(65) (44s) 
ihapeeerernces, <3 > TRIAS GS | fpr So oe 
Deiimetaer MS BY GS) se ee 
(28) 
dehy? ln 453.592 | 0.453592 
(450) (44) 
£$id. oS 8 BEY RR) fico se 
(4 
Nhe =. = Se STSO3 435 == eee a 
(31) 
2, oe eae & 373. 2418 ! 0.373242 
(375) (26) 
4] Ox001F 12a 
1, 000 1 0. 001 
Milliers, 
tonnes, or 
metric 
tons 
OXO253 59g aes 45. 35924 
(440) (45) 
OL9OTISS a see ee 907. 1849 
(%o) (900) 
O16 Oana ae 1, 016. 05 
(1) (1,080) 
a lg [rey ee A 1, 000 
0. 001 1, 080 zt 
TABLE 5.—Velocity; unit conversion factors, with approximate values 
Miles per 
hour 
Knots per | Meters per | Meters per | Kilometers 
second 
per hour 
SN ee ee 
Feet per Feet per 
minute second 
1 0. 016667 
[¥6o] 
60 1 
88 1. 46667 
(144) 
101. 337 1. 68894 
(100) (124) 
3. 28083 0. 054681 
(344) 50 
196. 850 3. 28083 
(200) (314) 
54. 6806 0. 911343 
(55) (1) 
0. 011364 
(Yoo) 
0. 681818 
(7) 
1 
1.15155 
hour minute 
0. 009868 0. 304807 
(oo) (43) 
0. 592086 18. 2880 
(3% (18) 
0. 868393 26. 8225 
(%) (27) 
1 30. 8875 
(31) 
9). 032376 1 
(0) 
1. 94253 60 
(2) 
0. 539593 16. 6667 
(19) (17) 
0. 00508 
(4400) 
0. 30480/ 
(483) 
0. 447041 
0. 514791 
(43) 
0. 016667 
Veo] 
0. 27778 
(14) 
0. 018288 
| 
