FACTORS AND TABLES OF EQUIVALENTS USED IN FORESTRY 3 

 Table 2. — Area or surface; unit conversion factors, with approximate values 



Square 

 inches 



Square 

 links 



Square 

 feet 



Square 

 yards 



Square 

 chains 



Acres 



Square 

 centi- 

 meters 



Square 

 meters 



Hectares 



Square 

 kilo- 

 meters 



j 



0. 015942 



0/63) 



1 



2. 295684 



20. 6612 

 (20) 



0. 006944 

 0. 4356 



( 3 /7) 



9 



0. 001076 



(Mooo) 



10. 76387 



(11) 



4,356 



43, 560 



27, 878, 400 



107, 638. 7 



10, 763, 867 









6. 451626 



(6/2) 



404. 6875 



929. 034 



8, 361. 3/ 



1 1 



10, 000 



0. 000645 

 0. 040469 



(/2 5) 



0. 092903 

 (Mi) 

 0. 83613/ 

 ^ ( 4 /i) 

 * 0. 0001 



1 



404. 687 



4, 046. 87 



(4,000) 



2, 589, 998 



10, 000 



1, 000, 000 







62 7264 





0. 0001 



0. 00025 



0. 002066 

 USoo) 



0. 00001 

 0. 000025 

 0. 000207 







(63) 



0.11111/ 



M 













155 







(Yt) 



1, 549. 997 



24. 7104 

 10, 000 



1. 19599 



(1H) 



484 



4,840 



3, 097, 600 



11,959.9 



(12, 000) 

 1, 195,985 



0. 00247/ 

 (Moo) 



2 1 



10 



6,400 



24. 7104 



(25) 



2, 471. 04 



0. 000247 

 0.1 



3 1 



640 

 2. 471044 



(2/2) 



247. 104 

 (250) 



0. 0001 



0. 040469 



O/s) 



0. 404687 



(%) 



258. 9998 



(260) 



1 



100 









Square 

 miles 







0. 000156 



[/Uoc] 



0. 0015625 



[/640] 



0. 00386/ 



(/so) 



0. 38610/ 

 (%) 



0. 000405 



(H500) 



0. 004047 



O/2 50) 



2. 589998 



(2H) 



0.01 



1 



i 1 mm 2 =0.01 cm 2 =0.00155 square inch. 



2 1 square chain = 16 square rods. 



3 1 acre=area 208.710 (210) feet square=3.16 chains square. 



Table 3. — Volume and capacity; unit conversion factors, with approximate values 



United States 



measure of 



volume ' 



United 



States 



dry 



measure, 



quarts 



United States apothecaries' and liquid 

 measure 2 



Metric system 



Cubic 

 inches 



Cubic 



feet 



Fluid 

 ounces 



Pints 



Quarts 



Gallons 



Cubic 

 centi- 

 meters 3 



Liters i 



Cubic 

 meters 



(steres) 



t 



0. 000579 



0. 01488/ 



25. 714 

 (26) 



0. 554115 



O/2) 



957.5 



1 



16 



32 



128 



0. 033814 



(/30) 



33. 8147 



(34) 



0. 034632 



(/30) 



59. 844.2 



(60) 



0. 0625 



[Me] 



1 



2 



8 



0. 002115 



2. 11342 



(2) 



0. 017316 



(Mo) 



23. 922/ 



(30) 



0.03125 



[/32] 



0.5 



im 



1 



4 



0. 001057 



(Mooo) 



1.0567/ 



(1) 



1. 163647 



(1/e) 



37. 2367 



(37) 



1, 056. 68 

 (1,000) 



0. 004329 



7. 48052 

 (7M) 



16. 3872 



(16) 



28, 317 



29. 5737 



(30) 



473. 179 



(475) 



946. 359 



(950) 



3785. 43 



(4,000) 



t 1 



1, 000. 027 

 (1,000) 



1, 101. 23 

 35, 239. 28 

 1, 000, 000 



0. 016387 

 (Ho) 



28. 316 



(28) 



0. 029573 



(/34) 



0. 473167 



(M) 



0. 946333 



(1) 



3. 785332 



(4) 



0. 0010 



(Mooo) 



1. 101198 



35. 23833 



(35) 



999. 973 



(1,000) 





1,728 

 1. 80469 



0. 028317 

 (Hs) 



(l 4 /5) 

 28. 875 





0. 429684 

 {%) 



0. 859367 



( 5 /e) 



3. 43747 



0. 000908 



0. 908102 



32 



908. 078 

 (910) 



0.125 



[M] 

 0.25 

 [M] 



61 





(30) 



57.75 



(58) 



231 



0. 061025 



0. 033420 



(Mo) 



0. 13368/ 



(MO 



0. 000946 

 0. 003785 



(Moo) 



000G01 



(He) 



61. 0250 



(61) 



0. 035315 



0.038889^ 



(Ms) 



1. 24446 



(1/4) 



35. 3145 



(35) 



0. 264178 



(M) 



0. 290912 



9. 309177 



(9) 



264. 170 



(265) 



0.00/ 

 (Mooo) 



67. 200625 



(67) 



2, 150. 42 



Bushels 

 0. 03l25 



[/32] 



28. 3774 



0.00/ 



(Mooo) 



035239 







(/so) 

 8 1 









1 1 cubic yard = 27 cubic feet = 21.696 bushels =0.764559 m 3 (stere). 



2 1 gill = 7. 21875 cubic inches=4 fluid ounces=0.25 [M] liquid pint = 0.125 [H] liquid quart = 0.03125 [H2] 

 gallon = 0.118292 liter. 



3 1 cubic millimeter =0.001 cm 3 =0.00006/ cubic inch. 



4 1 liter=volume pure water at 4° C. and 760 mm pressure weighing 1 kg = 0.028378 bushel =0.001308 cubic 

 yard. 



6 1 cubic foot =0.80356 bushel =0.037037 cubic yard. 



6 The British imperial gallon = 10 pounds distilled water at 62° F. (and barometer at 30 inches) = 277.418 

 cubic inches = 1.20094 U. S. gallons =0.16054 cubic foot = 4.545963 liters. 



7 1 cubic centimeter =0.999973 milliliter (ml). 



8 The British imperial bushel=8 British gallons = 2219.340 cubic inches = 1.032050 United States bushels = 

 36.37 liters. 



» 1 m 3 = 1.308 cubic yards. 



