LENGTH — Basic unit is meter (m)
Metric
Unit
|
Meters
|
Inches
|
Feet
|
Yards
|
Miles
|
Millimeter (mm)
Centimeter (cm)
Decimeter (dm)
Meter (m)
Decameter (dkm)
Hectometer (hm)
Kilometer (km)
|
001
.01
.1
1
10
100
1000
|
—
.3937
3.937
39.37
393.7
3937
—
|
—
—
.3281
3.281
32.81
328.1
3281
|
—
—
.1094
1.094
10.94
109.4
1094
|
—
—
—
—
—
—
.6214
|
To Convert
Inch to mm
Multiply by 25.4
mm to Inch
Multiply by .03937
Feet to Inch
Multiply by .3048
Meters to Feet
Multiply by 3.281
|
Yards to Meters
Multiply by .9144
Meters to Yards
Multiply By 1.094
Miles to Km
Multiply by 1.609
Km to Miles
Multiply by .6214
|
VOLUME — Basic unit is stere (s) which is 1 cubic meter
Metric
Unit
|
Steres
|
Cubic
Inch
|
Cubic
Feet
|
Cubic
Yards
|
Cu. Millimeter (cu mm).
Cu. Centimeter (cu cm)
Cu. Decimeter (cu dm)
Desistere (ds)
Stere/Cu Meter (s/cu m)
Decastere (dks)
|
.000000001
.000001
.001
.1
1
10
|
—
.3937
3.937
39.37
393.7
3937
|
—
—
.3281
3.281
32.81
328.1
|
—
—
.1094
1.094
10.94
109.4
|
To Convert
Cu.In. to Cu.mm
multiply by 1639
Cu.mm to Cu.In
multiply by.000061
Cu.In. to Cu.cm
multiply by 16.39
Cu.cm to Cu.In.
multiply by .06102
|
Cu.Ft. to Cu.m
multiply by .0283
Cu.m to Cu.Ft.
multiply by 35.31
Cu.Yds. to Cu.m
multiply by .7646
Cu.m to Cu.yds.
multiply by 1.308
|
AREA — Basic unit is Centare (CA) which is 1 square meter
Metric
Unit
|
Centares
|
Square Inches
|
Square Feet
|
Square
Yards
|
Acres
|
Sq. Millimeter
(sq.cm.)
Sq. Centimeter (sq.cm.)
Sq. Decemeter (sq.dm.)
Centare/Sq.meter
(ca/sq m)
Area (a)
Hectare (ha)
Sq. Kilometer (sq.km)
|
.00001
.0001
.01
1
100
10,000
1,000,000
|
—
.1550
15.50
1550
—
—
—
|
—
—
.1076
10.76
1076
—
—
|
—
—
—
1.196
119.6
—
—
|
—
—
—
—
—
2.471
247.1
|
To Convert
Sq. in. to sq. cm
multiply by 6.452
Sq. cm to sq. in.
multiply by .1550
Sq. Ft. to sq. m.
multiply by .0929
Sq. m. to sq. ft.
multiply by 10.76
Sq. yds to sq. m.
multiply by.8361
Sq. m. to sq. yds.
multiply by 1.196
|
Acres to Hectares
multiply by .4047
Hectares to Acres
multiply by 2.471
Acres to sq. km.
multiply by .004047
Sq. km to Acres
multiply by 247.1
Sq. miles to sq. km
multiply by 2.590
Sq. km to sq. miles
multiply by .3861
|
WEIGHT — Basic unit is gram (g)
Metric
Unit
|
Grams
|
Grains
|
Ounces
|
Pounds
|
Milligram (mg)
Centigram (cg)
Decigram (dg)
Gram
Decagram (dkg)
Hectogram (hg)
Kilogram (kg)
Quintal (q)
Metric Ton (MT)
|
.001
.01
.1
1
10
100
1000
100,000
1,000,000
|
.01543
.1543
1.543
15.43
154.3
1543
—
—
—
|
—
—
—
.03527
.3527
3.527
35.27
3527
—
|
—
—
—
—
—
.22046
2.2046
220.46
2204.6
|
To Convert
G to CG
multiply by 6.48
CG to G
multiply by .1543
Ounces to G
multiply by–31.103
|
G to Ounces
multiply by .03527
Pounds to KG
multiply by .4536
KG to Pounds
multiply by 2.2046
|
Tons (2000#) to Metric Tons - multiply by .9078
Metric Tons to Tons (2000#)
- multiply by 1.1023
|
Specific Gravity of Liquids
LIQUID
|
TEMP °F
|
SPECIFIC
GRAVITY
|
Water (1 cu. ft. weighs 62.41
lb)
|
50
|
1.00
|
Brine (Sodium Chloride 25%)
|
32
|
1.20
|
Pennsylvania Crude Oil
|
80
|
0.85
|
Fuel Oil No. 1 and 2
|
85
|
0.95
|
Gasoline
|
80
|
0.74
|
Kerosene
|
85
|
0.82
|
Lubricating Oil SAE 10-20-30
|
115
|
0.94
|
LIQUID
|
TEMP °F
|
SPECIFIC
GRAVITY
|
30% Acetic Acid
|
68
|
1.04
|
50% Acetic Acid
|
68
|
1.05
|
20% Chromic Acid
|
68
|
1.16
|
20% Hydrogen Peroxide
|
68
|
1.07
|
25% Methyl Alcohol
|
68
|
0.96
|
10% Nitric Acid
|
68
|
1.05
|
20% Nitric Acid
|
68
|
1.11
|
LIQUID
|
TEMP °F
|
SPECIFIC
GRAVITY
|
20% Phosphoric Acid
|
68
|
1.11
|
20% Sodium Hydroxide
|
68
|
1.21
|
50% Sodium Hydroxide
|
68
|
1.52
|
20% Sulphuric Acid
|
68
|
1.14
|
50% Sulphuric Acid
|
68
|
1.40
|
98% Sulphuric Acid
|
68
|
1.83
|
To Change
|
To
|
Multiply By
|
Inches ........................
Inches ........................
Feet............................
Feet............................
Yards .........................
Square inches .............
Square feet..................
Square feet..................
Square yards...............
Cubic inches ...............
Cubic feet....................
Cubic feet....................
Cubic yards.................
Cubic inches ...............
Cubic feet....................
Gallons.......................
Gallons.......................
Gallons.......................
Pounds of water ..........
Ounces.......................
Pounds.......................
Inches of water ............
|
Feet ...............................
Millimeters......................
Inches............................
Yards.............................
Feet ...............................
Square feet .....................
Square inches.................
Square yards ..................
Square feet .....................
Cubic feet .......................
Cubic inches...................
Cubic yards ....................
Cubic feet .......................
Gallons ..........................
Gallons ..........................
Cubic inches...................
Cubic feet .......................
Pounds of water..............
Gallons ..........................
Pounds ..........................
Ounces ..........................
Pounds per sq.inch .........
|
0.0833
25.4
12
0.3333
3
0.00694
144
0.11111
9
0.00058
1728
0.03703
27
0.00433
7.48
231
0.1337
8.33
0.12004
0.0625
16
0.0361
|
To Change
|
To
|
Multiply By
|
Inches of water ............
Inches of water ............
Inches of water ............
Inches of mercury ........
Inches of mercury ........
Inches of mercury ........
Ounces per sq. inch .....
Ounces per sq. inch .....
Pounds per sq. inch.....
Pounds per sq. inch.....
Pounds per sq. inch.....
Pounds per sq. inch.....
Feet of water................
Feet of water................
Feet of water................
Atmospheres ...............
Atmospheres ...............
Atmospheres ...............
Long Tons...................
Short Tons ..................
Short Tons ..................
|
Inches of mercury............
Ounces per sq. inch ........
Pounds per sq. foot .........
Inches of water ...............
Feet of water ...................
Pounds per sq. inch ........
Inches of mercury............
Inches of water ...............
Inches of water ...............
Feet of water ...................
Inches of mercury............
Atmospheres...................
Pounds per sq. inch ........
Pounds per sq. foot .........
Inches of mercury............
Pounds per sq. inch ........
Inches of mercury............
Feet of water ...................
Pounds ..........................
Pounds ..........................
Long Tons ......................
|
0.0
0.5
5.2
13.
1.1
0.4
0.1
1.7
27.
2.3
2.0
0.0
0.4
62.
0.8
14.
29.
34
224
200
0.89
|
Volume
|
1 gal. (U.S.)
1 cu. ft.
|
= 128 fl. oz. (U.S.)
= 231 cu. in.
= 0.833 gal. (Brit.)
= 7.48 gal. (U.S.)
|
Pressure
|
1 lb. per sq. in.
1 ft. water at 60°F
1 in. Hg at 60°F
1 lb. per sq. in.
|
= 2.31 ft. water at 60°F.
= 2.04 in. hg at 60°F.
= 0.4333 lb. per sq. in.
= 0.884 in. hg at 60°F.
= 0.49 lb. per sq. in.
= 1.13 ft. water at 60°F.
= lb. per sq. in. gauge (psig) +
14.7Absolute (psia)
|
Temperature
|
°C
°F
|
= (°F —32) X .556
= C(1.8) + 32
|
Mass
|
1 lb. (avoir)
1 ton (short)
1 ton (long)
|
= 16 oz. (avoir.)
= 7000 grain
= 2000 lb.
= 2240 lb.
|
Flow
|
1 gpm
500 lb. per hr.
1 cu. ft. per min. (cfm)
|
= 0.134 cu. ft. per min.
= 500 lb. per hr. x sp. gr.
= 1 gpm ÷ sp. gr.
= 448.8 gal. per hr. (gph)
|
Where
|
A = Area ; A1 =
Surface area of solids;
V = Volume;
C = Circumference
|