Conversions

of

Measurements

Quick Reference1 Gallon 3,785 cc’s (cubic centimeters)1 Gallon 3.785 Liters1 Liter 1000 cc’s / 1000 ml’s1 Gallon 8.345 lbs (at 1.0 SG, water at 60°F )Density (lbs/gallon) 8.345 X SG1.0 sg (specific gravity) 1 cc = 1 ml = 1 gramCentipoise Centistokes x specific gravity

Temperature

(9/5 X °C) + 32°=°F

5/9 (°F-32°)=°C

FiltersMesh Inches Microns Mesh Inches Microns

10 0.0787 2000 170 0.0035 8812 0.0661 ~1/16 1680 200 0.0029 7414 0.0555 1410 0.0026 6516 0.0469 3/64 1190 230 0.0024 6218 0.0394 1000 270 0.0031 5320 0.0331 ~1/32 840 0.0020 5025 0.0280 710 325 0.0017 4430 0.0232 590 0.0016 4035 0.0197 500 400 0.00142 3640 0.0165 ~1/64 420 0.00118 3045 0.0138 350 550 0.00099 2550 0.0117 297 625 0.00079 2060 0.0098 250 0.00059 1570 0.0083 210 1250 0.000394 1080 0.0070 177 1750 0.000315 8

100 0.0059 150 2500 0.000197 5120 0.0049 125 5000 0.000099 2.5140 0.0041 105 12000 0.0000394 1

Engineering Conversion Table

Multiply By To Obtain

DensityGrams per centimeter (Water @ 60°F) 62.428 Pounds per cubic feet

0.03613 Pounds per cubic inch8.345 Pounds per gallon (US)

PressureAtmospheres (atm) 101.3 Kilopascals (kPa)

760 Millimeters of mercury (mmHg)760 Torrs (mmHg)

1.0133 Bars1.0332 Kilogram per square centimeter

(kg/cm2)Bars 100 Kilopascals (kPa)Centimeters of Mercury (cmHg) 1.333 Kilopascals (kPa)

0.1934 Pounds per square inch (psi)Inches of Mercury (inHg) 3.389 Kilopascals (kPa)

0.4912 Pounds per square inch (psi)Inches of Water (inH2O) 0.249 Kilopascals (kPa)

0.03609 Pounds per square inch (psi)25.38 Pounds per square meter (lbs/m2)

Kilograms per square centimeter 0.9678 Atmospheres (atm)98.1 Kilopascals (kPa)14.22 Pounds per square inch (psi)

Pounds per square inch (psi) 70.31 Grams per square centimeter6.9 Kilopascals (kpa)2.036 Inches of Mercury (inHg)2.311 Feet of water (ftH2O)

VolumeMilliliters (ml) 0.0338 Fluid ounce (oz)Cubic centimeters (cc) 0.001 Liter

0.0610 Cubic inchCubic meters 264.2 GallonLiters 0.2642 Gallons

0.0353 Cubic feet1000 Cubic centimeter (cc)

61.025 Cubic inchCubic feet 1728 Cubic inch

7.481 Gallon28.32 Liter

0.028 Cubic meterCubic inches 16.387 Cubic centimeter

0.01639 LiterGallons 3785 Cubic centimeter

0.00379 Cubic meter

MassPounds (lbs) 0.4536 Kilograms (kg)

453.59 GramsPounds of water (at 60°F) 27.68 Cubic inches

0.1198 GallonsOunces (oz) 28.35 Grams

Viscosity ComparisonSaybolt Universal

Seconds (SUS)Absolute

Centipoise (cps)Kinematic

Centistokes (cst)

40,000 8,500 8,800

30,000 6,300 6,600

20,000 4,250 4,400

15000 3,250 3,30010,000 2,200 2,200

9,000 1,950 1,980

8,000 1,700 1,7607,000 1,500 1,540

6,000 1,300 1,320

5,000 1,050 1,1004,000 850 880

3,000 630 660

2,000 420 4401,000 220 220

900 195 198

800 170 176700 150 154

600 130 132

500 105 110400 85 87.6

300 63 65

200 42 43.2100 22 20.6

90 19 18.2

80 17 15.770 15 13.1

60 13 10.3

50 11 7.440 9 4.3

30 6 1

20 410 2

Viscosity ConversionCentistoke X Specific Gravity = Centipoise

Centipoise ÷ Specific = Centistoke