| To Convert | From | To | Multiply by |
| Pressure | atm. atm. atm. bar bar bar kg/cm2 kg/cm2 kg/cm2 p.s.i p.s.i p.s.i |
bar kg/cm2 p.s.i atm. kg/cm2 p.s.i atm. bar p.s.i atm. bar kg/cm2 |
1.013 1.033 14.70 0.987 1.02 14.50 0.968 0.98 14.92 0.068 0.069 0.07 |
| Volume | US gallon litre lmp gallon litre |
litre US gallon litre lmp gallon |
3.785 0.264 4.55 0.22 |
| Area | sq.ft sq. meter (m2) |
sq. meter (m2) sq.ft |
0.0929 10.764 |
| Area/ Volume | m2/litre sq.ft./US gallon m2/litre sq.ft/lmp gallon |
sq.ft./US gallon m2/litre sq.ft/lmp gallon m2/litre |
40.76 0.0245 48.93 0.0204 |
| Distance | mil micron inch centimetre (cm) feet metre yard metre |
micron mil centimetre (cm) inch metre feet metre yard |
25.4 0.0394 2.54 0.3937 0.3048 3.2808 0.9144 1.0936 |
| Weight | lbs (pound) kg (kilogram) |
kg (kilogram) lbs (pound) |
0.4536 2.2046 |
| Film Thickness | Wet Dry |
Dry Wet |
wft X VS%/100 dft X 100/VS% |
wft =wet film thickness dry = dry film thickness VS%=volume solids
FILM THICKNESS SIEVES
1 mil =25.4 microns Comparison table for mesh size
1 micron =0.0394 mil given in Tyler Standard Scale (US)
1 mil = 1/1000 inch and millimetre (diameter of light
1 µ = 1/1000 mm opening = max size of particle let
through)
| Mesh | Opening in mm |
Mesh | Opening in mm |
3.5 4 5 6 7 8 9 10 12 14 16 20 24 28 32 |
5.66 4.76 4.00 3.36 2.83 2.38 2.00 1.68 1.41 1.19 1.00 0.84 0.71 0.59 0.50 |
35 42 48 60 80 100 115 150 170 200 250 270 325 400
|
0.42 0.35 0.297 0.250 0.177 0.149 0.125 0.105 0.088 0.74 0.62 0.053 0.044 0.03
|
Microns µ |
mil (Approx) |
Microns µ |
mil (Approx) |
10 15 20 25 30 35 40 45 50 60 70 |
ca.0.4 ca.0.6 ca.0.8 ca.1.0 ca.1.2 ca.1.4 ca.1.6 ca.1.8 ca.2.0 ca.2.4 ca.2.8 |
75 80 90 100 120 140 150 175 200 250 300 |
ca.3.0 ca.3.2 ca.3.6 ca.4.0 ca.4.8 ca.5.6 ca.6.0 ca.7.0 ca.8.0 ca.10.0 ca.12.0 |
Conversion chart American SAE to British BSS for diamond chilled iron (cast iron) grit.
Grit No SAE |
Australian No |
Grit No BSS |
Nominal Screen Aperture |
Approx. Profile Height |
|
Inches |
mm |
||||
G25 G40 G50 G80 |
24 30 40 50 |
G24 G17 G12 G07 |
0.0280 0.0165 0.0117 0.0070 |
0.179 0.418 0.299 0.178 |
90-115 microns 65-90 microns 38-65 microns 25-38 microns |
FAHRENHEIT - CELSIUS
| 0F | 0C | 0F | 0C | 0F | 0C | 0F | 0C | 0F | 0C |
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 |
-17.8 -17.2 -16.7 -16.1 -15.6 -15.0 -14.4 -13.9 -13.3 -12.8 -12.2 -11.7 -11.1 -10.6 -10.0 -9.4 -8.9 -8.3 -7.8 -7.2 -6.7 -6.1 -5.6 -5.0 -4.4 -3.9 -3.3 -2.8 -2.2 -1.7 -1.1 |
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 |
-0.6 Zero 0.6 1.1 1.7 2.2 2.8 3.3 3.9 4.4 5.0 5.6 6.1 6.7 7.2 7.8 8.3 8.9 9.4 10.0 10.6 11.1 11.7 12.2 12.8 13.3 13.9 14.4 15.0 15.6 16.1 |
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 |
16.7 17.2 17.8 18.3 18.9 19.4 20.0 20.6 21.1 21.7 22.2 22.8 23.3 23.9 24.4 25.0 25.6 26.1 26.7 27.2 27.8 28.3 28.9 29.4 30.0 30.6 31.1 31.7 32.2 32.8 33.3 |
93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 125 130 135 |
33.9 34.4 35.0 35.6 36.1 36.7 37.2 37.8 38.3 38.9 39.4 40.0 40.6 41.1 41.7 42.2 42.8 43.3 43.9 44.4 45.0 45.6 46.1 46.7 47.2 47.8 48.3 48.9 51.7 54.4 57.2 |
140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 212 215 220 225 230 235 240 245 248 250 300 350 400 450 500 1000 |
60.0 62.8 65.6 68.3 71.1 73.9 76.7 79.4 82.2 85.0 87.8 90.6 93.3 96.1 98.9 100.0 101.7 104.4 107.2 110.0 112.8 115.6 118.3 120.0 121.1 148.8 176.6 204.4 232.2 260.0 537.7 |
Relationship between "Dew Point", air temperature and relative humidity
AIR TEMP. 0C |
"DEW POINT" in 0C at relative humidity of |
||||||||
50% |
55% | 60% |
65% |
70% |
75% |
80% |
85% |
90% |
|
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 |
-5 -3 -3 -2 -1 0 1 2 3 4 5 5 7 7 8 9 10 11 12 13 14 15 16 17 18 18
|
-3 -3 -1 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 14 15 16 17 18 19 20
|
-2 -1 0 1 1 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 18 19 20 21 |
-1 0 1 2 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 |
0 1 2 3 4 5 6 7 8 8 9 10 12 12 13 14 15 16 17 18 19 20 21 22 23 24 |
1 2 3 4 5 6 7 8 9 10 11 12 12 13 14 15 16 17 18 19 20 21 22 23 24 25 |
2 3 4 5 6 7 8 9 10 11 12 12 14 14 15 16 17 18 19 20 21 22 23 24 25 26 |
3 4 5 6 7 8 9 9 10 12 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 |
4 4 5 6 7 9 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 |
