Conversion factors and relationships useful in fumigation work

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ABBREVIATIONS

avoirdupois avdp kilogramme kg
bushel bu kilometre km
centimetre cm metrem m
cubic centimetre cm3 milligramme mg
cubic foot ft millilitre ml
cubic inch in3 millimetre mm
cubic metre m3 ounce oz
cubic yard yd3 pound lb
fluid fl quart qt
foot ft square sq
gallon gal square centimetre cm
gramme g square foot ft2
hectare ha square inch in2
hundredweight cwt square metre m2
inch in yard yd
BRITISH OR UNITED STATES SYSTEMS TO METRIC METRIC TO BRITISH OR UNITED STATES SYSTEMS

Length

1 in = 2.540 cm 1 cm = 0.394 in
1 ft = 0.305 m 1 m = 39.37 in
1 yd = 0.914 m 1 m = 3.281 ft
1 mile = 1.609 km 1 m = 1.094

Area

1 in2 = 6.452 cm 1 cm2 = 0.155 in2
1 ft2 = 0.093 m 1 m2 = 1 550 in2
1 yd2 = 0.836 m 1 m2 = 10.764 ft2
1 acre = 0.405 ha 1 m2 = 1.196 yd2
  1 ha = 2.471 acres

Volume

1 in = 16.39 cm 1 litre = 61.025 in
1 ft = 28.316 litres 1 cm = 0.061 in
1 ft = 0.028 m3 1 m3 = 35.314 ft
1 yd = 764.5 litres 1 m3 = 1.308 yd
1 yd = 0.764 m3 1 m3 = 27.496 bu (Br)
1 000ft = 28.31 m3 1 m3 = 28.377 bu (U.S.)
1 bu (Br) = 36.368 litres 1 litre = 0.0275 bu (Br)
1 bu (U.S.) = 35.238 litres 1 litre = 0.0284 bu (U.S.)
1 000 bu (Br) = 36.37 m3 =1 284 ft  
1 000 bu (U.S.) = 35.24 m3 =1 244 ft  

British and United Ststes volumes

1 bu (Br) = 1.032 bu (U.S.)
1 bu (U.S.) = 0.969 bu (Br)
1 bu (Br) = 1.284 ft
1 bu (U.S.) = 1.244 ft

Liquid messure

1 fl Br oz = 28.41 ml 1 litre = 35.196 Br fl oz
1 fl U.S. oz = 29.57 ml 1 litre = 33.815 U.S. fl oz
  1 litre = 0.88 Br qt
1 Br pint = 568.2 ml 1 litre = 1.06 U.S. qt
1 U.S. Pint = 473.2 ml 1 litre = 1.76 Br pints
  1 litre = 2.11 U.S. pints
1 Br gal = 4.546 litres 1 litre = 0.22 Br gal
1 U.S. gal = 3.785 litres 1 litre = 0.26 U.S. gal

British and United States liquid measure

1 Br pint = 1.201 U.S. pints
1 Br qt = 1.201 U.S. qt
1 Br gal = 1.201 U.S. gal
1 U.S. gal = 0.833 Br gal
1 Br gal = 4 qt = 8 pints = 160 fl oz
1 U.S. gal = 4 qt = 8 pints = 128 fl oz
1 Br gal = 0.161 ft
1 U.S. gal = 0.134 ft

Weight

1 oz = 28.35 g 1 g = 0.035 oz
1 lb = 453.59 9 1 kg = 35.27 oz
1 lb = 0.454kg 1 kg = 2.205 lb
1 long cwt = 112 lb 1 quintal (metric) = 100 kg
1 long cwt = 50.8 kg 1 quintal (metric) = 1.9684 long cwt
20 long cwt = 1 long ton 1 quintal (metric) = 220.46 lb
20 long cwt = 2 240 lb 1 quintal (metric) = 2.2046 short cwt
1 short cwt = 100 lb 10 quintals (metric) = 1 metric tonne
1 short cwt = 45.36 kg 10 quintals (metric) = 0.9842 long ton
20 short cwt = 1 short ton 10 quintals (metric) = 1.1023 short tons
20 short cwt = 2 000 lb  
1 long ton = 1.016 metric tonnes 1 metric tonne = 0.9842 long ton
1 long ton = 1 016.4 kg 1 metric tonne = 1.1023 short tons
1 short ton = 0.9072 metric tonne 1 metric tonne = 22.046 short cwt
1 short ton = 907.2 kg 1 metric tonne = 19.684 long cwt

Fuminant dosage relationships

oz/1 000 ft =g/m = mg/litre (approximately)

OTHER CONVERSION FACTORS

Under practical conditions, use same figure for pounds per 1 000 bushels U.S. or Br (1 lb/1 000 U.S. bu = 1 032 lb/1 000 Br bu).

U.S. gal/1 000 U.S. bu to Br gal/1 000 Br bu x 0.86 (0.9 approximately)
Br gal/1 000 Br bu to U.S. gal/1 000 U.S. bu x 1.16
lb/1 000 Br bu tog/m x 12.47
lb/1 000 U.S. bu tog/m x 12.87
Br gal/1 000 Br bu to litre/m x 0.125
U.S. gal/1 000 U.S. bu to litre/m x 0.107
Br gal/1 000 ft to litre/m x 0.161
U.S. gal/1 000 ft to litre/m x 0.134

GRAIN STOWAGE

Wheat

60 lb/bu; 48.25 lb/ft
37.33 bu/long ton; 33.73 bu/short ton
1 long ton stows in 46.4 ft; 1 short ton in 41.45 ft
1 long ton stows in 1.3 m3; 1 short ton in 1.17 m3
1 000 bu = 26.8 long tons = 30 short tons = 27.2 metric tonnes

Barley

48 lb/bu; 38.6 lb/ft
46.66 bu/long ton; 41.67 bu/short ton
1 long ton stows in 58 ft; 1 short ton in 51.8 ft
1 long ton stows in 1.6 m3; 1 short ton in 1.5 m
1 000 bu = 21.4 long tons = 24 short tons = 21.8 metric tonnes

Maize, shelled

56 lb/bu; 45 lb/ft
40 bu/long ton; 35.7 bu/short ton
1 long ton stows in 50 ft; 1 short ton in 44.5 ft
1 long ton stows in 1.5 m3; 1 short ton in 1.01 m
1 000 bu = 25 long tons = 28 short tons = 25.4 metric tonnes

TEMPERATURE

Degrees Centigrade (C) to degrees Fahrenheit = (C x 1.8) + 32
Degrees Fahrenheit(F) to degrees Centigrade = (F - 32 ) x 0.55 (or x 5/9)

Representative conversions

C -17.8 -10 0 5 10 15 20 25 30 32.2 35
F 0 14 32 41 50 59 68 77 86 90 95

Decrees Centigrade into decrees Fahrenheit

Centigrade 0 1 2 3 4 5 6 7 8 9
-40 -40.0                  
-30 -22.0 -23.8 -25.6 -27.4 -29.2 -31.0 -32.8 -34.6 -36.4 -38.2
-20 - 4.0 - 5.8 - 7.6 - 9.4 -11.2 -13.0 -14.8 -16.6 -18.4 -20.2
-10 +14.0 +12.2 +10.4 + 8.6 + 6.8 + 5.0 + 3.2 + 1.4 - 0.4 - 2.2
0- +32.0 +30.2 +28.4 +26.6 +24.8 +23.0 +21.2 +19.4 +17.6 +15.8
0+ +32.0 +33.8 +35.6 +37.4 +39.2 +41.0 +42.8 +44.6 +46.4 +48.2
10 50.0 51.8 53.6 55.4 57.2 59.0 60.8 62.6 64.4 66.2
20 68.0 69.8 71.6 73.4 75.2 77.0 78.8 80.6 82.4 84.2
30 86.0 87.8 89.6 91.4 93.2 95.0 96.8 98.6 100.4 102.2
40 104.0 105.8 107.6 109.4 111.2 113.0 114.8 116.6 118.4 120.2
50 122.0 123.8 125.6 127.4 129.2 131.0 132.8 134.6 136.4 138.2
60 140.0 141.8 143.6 145.4 147.2 149.0 150.8 152.6 154.4 156.2
70 158.0 159.8 161.6 163.4 165.2 167.0 168.8 170.6 172.4 174.2
80 176.0 177.8 179.6 181.4 183.2 185.0 186.8 188.6 190.4 192.2
90 194.0 195.8 197.6 199.4 201.2 203.0 204.8 206.6 208.4 210.2

Degrees Fahrenheit into degrees Centigrade

Fahrenheit 0 1 2 3 4 5 6 7 8 9
0 -17.8 -17.2 -16.7 -16.1 -15.6 -15.0 -14.4 -13.9 -13.3 -12.8
10 -12.2 -11.7 -11.1 -10.6 -10.0 - 9.4 - 8.9 - 8.3 - 7.8 - 7.2
20 - 6.7 - 6.1 - 5.6 - 5.0 - 4.4 - 3.9 - 3.3 - 2.8 - 2.2 - 1.7
30 - 1.1 - 0.6 0 + 0.6 + 1.1 + 1.7 + 2.2 + 2.8 + 3.3 + 3.9
40 4.4 5.0 5.6 6.1 6.7 7.2 7.8 8.3 8.9 9.4
50 10.0 10.6 11.1 11.7 12.2 12.8 13.3 13.9 14.4 15.0
60 15.6 16.1 16.7 17.2 17.8 18.3 18.9 19.4 20.0 20.6
70 21.1 21.7 22.2 22.8 23.3 23.9 24.4 25.0 25.6 26.1
80 26.7 27.2 27.8 28.3 28.9 29.4 30.0 30.6 31.1 31.7
90 32.2 32.8 33.3 33.9 34.4 35.0 35.6 36.1 36.7 37.2
100 37.8 38.3 38.9 39.4 40.0 40.6 41.1 41.7 42.2 42.8
110 43.3 43.9 44.4 45.0 45.6 46.1 46.7 47.2 47.8 48.3
120 48.9 49.4 50.0 50.6 51.1 51.7 52.2 52.8 53.3 53.9
130 54.4 55.0 55.6 56.1 56.7 57.2 57.8 58.3 58.9 59.4
140 60.0 60.6 61.1 61.7 62.2 62.8 63.3 63.9 64.4 65.0
150 65.6 66.1 66.7 67.2 67.8 68.3 68.9 69.4 70.0 70.6
160 71.1 71.7 72.2 72.8 73.3 73.9 74.4 75.0 75.6 76.1
170 76.7 77.2 77.8 78.3 78.9 79.4 80.0 80.6 81.1 81.7
180 82.2 82.8 83.3 83.9 84.4 85.0 85.6 86.1 86.7 87.2
190 87.8 88.3 88.9 89.4 90.0 90.6 91.1 91.7 92.2 92.8
200 93.3 93.9 94.4 95.0 95.6 96.1 96.7 97.2 97.8 98.3
210 98.9 99.4 100.0              

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