Useful 
Information 
MULTIPLICATION TABLE 
CONVERSION TABLES 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
2 
4 
6 
8 
10 
12 
14 
16 
18 
20 
22 
24 
3 
6 
9 
12 
15 
18 
21 
24 
27 
30 
33 
36 
4 
8 
12 
16 
20 
24 
28 
32 
36 
40 
44 
48 
5 
10 
15 
20 
25 
30 
35 
40 
45 
50 
55 
60 
6 
12 
18 
24 
30 
36 
42 
48 
54 
60 
66 
72 
7 
14 
21 
28 
35 
42 
49 
56 
63 
70 
77 
84 
8 
16 
24 
32 
40 
48 
56 
64 
72 
80 
88 
96 
9 
18 
27 
36 
45 
54 
63 
72 
81 
90 
99 
108 
10 
20 
30 
40 
50 
60 
70 
80 
90 
100 
110 
120 
11 
22 
33 
44 
55 
66 
77 
88 
99 
110 
121 
132 
12 
24 
36 
48 
60 
72 
84 
96 
108 
120 
132 
144 
Table of Time Measure 
60 seconds 
60 minutes 
24 hours 
7 days 
30 days 
12 months 
365 days 
366 days 
100 years 
= 1 minute 
= 1 hour 
= 1 day 
= 1 week 
= 1 calendar month 
= 1 year 
= 1 common year 
= 1 leap year 
= 1 century 
Table of Dry Measure 
2 pints (pt.) = 1 quart (qt.) 
8 quarts = 1 peck (pk.) 
4 pecks = 1 bushel (bu.) 
1 cord =128 cu. ft. 
Table of Liquid Measure 
4 gills (gi.) 
2 pints 
4 quarts 
31 Vi gallons 
2 barrels 
= 1 pint (pt.) 
= 1 quart (qt.) 
= 1 gallon (gal.) 
= 1 barrel (bbl.) 
= hogshead (hhd.) 
Table of Paper Measure 
24 sheets = 1 quire 
20 quires = 1 ream 
10 reams = 1 bale 
Table of Linear Measure 
12 inches = 1 foot 
3 feet = 1 yard 
16% ft. (5% yds.) = 1 rod 
660 feet = 1 furlong 
320 rods (5280 ft.) = 1 mile 
Table of Cubic Measure 
1728 cubic inches = 1 cubic foot 
27 cubic feet = 1 cubic yard 
128 cubic feet = 1 cord of 
wood 
24% cubic feet = 1 perch of 
stone 
NOTE-A cord of wood is a pile 8 
feet long, 4 feet wide and 4 feet high. 
A perch of stone or brick is 16% 
feet long, 1% feet wide, and 1 foot 
high. 
Table of Avoirdupois 
Weight 
16 drams 
16 ounces 
100 pounds 
2000 pounds 
2240 pounds 
= 1 ounce (oz.) 
= 1 pound (lb.) 
= 1 hundredweight 
(cwt.) 
= 1 ton (T.) 
= 1 long ton (L. T.) 
Table of Troy Weight 
24 grains (gr.) = 1 pennyweight 
(dwt.) 
20 pennyweights = 1 ounce (oz.) 
12 ounces = 1 pound (lb.) 
Table of Circular Measure 
60 seconds (") = 1 minute (') 
60 minutes = 1 degree O 
360 degrees = 1 circumference 
A degree of the earth's surface or 
a meridian = 69.16 miles at the 
equator. 
Miscellaneous Measures 
Table of Apothecaries’ 
Weight 
12 units 
12 doz. 
12 gr. 
20 units 
1 hand 
1 fathom 
1 knot 
3 knots 
1 bu. potatoes 
1 barrel flour 
1 cu. ft. of water 
= 1 dozen 
= 1 gross 
= 1 great gross 
= 1 score 
= 4 inches 
= 6 feet 
= 6086 feet 
= 1 league 
= 60 lbs. 
= 196 lbs. 
7.48 liquid 
8 als. and weighs. 62.425 lbs. 
iameter of circle x 3.1416 = 
circumference 
Diameter of circle squared x 
.7854 = area. 
Atmospheric pressure is 14.7 lbs. 
per sq. in. at sea level. 
13% cu. ft. of air weighs 1 lb. 
20 grains (gr.) = 1 scruple ( 3 ) 
3 scruples = 1 dram ( 3) 
8 drams = 1 ounce (3 ) 
12 ounces = 1 pound (lb.) 
Table of Surface Measure 
144 sq. in. = 1 sq. ft. 
9 sq. ft. =1 sq. yd. 
30Ve sq. yds. = 1 sq. rod 
160 sq. rods = 1 acre 
640 acres = 1 sq. mile 
An acre measures 208.71 ft. on each 
side. 
A section of land is 1 sq. mile. 
A quarter section is 160 acres. 
A township is 36 sq. miles. 
LENGTH 
1 meter (m) = 100 cm 
= 
1,000 mm 
1 millimeter (mm) 
= 
.001 m 
1 centimeter (cm) 
= 
.01 m 
1 decimeter (dm) 
= 
.1 m 
1 decameter (dkm) 
= 
10 m 
1 hectometer (hm) 
= 
100 m 
1 kilometer (km) 
= 
1,000 m 
CAPACITY 
1 liter (I) = 100 cl = 1,000 ml 
1 milliliter (ml) = .0011 
1 centiliter (cl) = .011 
1 deciliter (dl) = .11 
1 decaliter (dkl) = 101 
1 hectoliter (hi) = 1001 
1 kiloliter (kl) = 1,0001 
WEIGHT 
1 gram (g) = 100 eg = 1,000 mg 
1 milligram (mg) 
1 centigram (eg) 
1 decigram (dg) 
1 decagram (dkg) 
1 hectogram (hg) 
1 kilogram (kg) 
.001 g 
= .01 g 
= -1 g 
= lOg 
= lOOg 
= 1,000 g 
METERS 
YARDS 
INCHES 
1.000 
1.093 
39.37 
.914 
1.000 
36.00 
CENTIMETERS 
INCHES 
FEET 
1.00 
.394 
.0328 
2.54 
1.000 
1/12 
30.48 
12.000 
1.000 
KILOMETERS 
MILES 
1.000 
.621 
1.609 
1.000 
GRAMS 
OUNCES 
POUNDS 
1.00 
.035 
.002 
28.35 
1.000 
1/16 
453.59 
16.000 
1.000 
1,000.00 
35.274 
2.205 
KILOGRAMS 
OUNCES 
POUNDS 
1.000 
35.274 
2.205 
.028 
1.000 
1/16 
.454 
16.000 
1.000 
LITERS 
PINTS 
QUARTS 
GAL. 
1.000 
2.113 
1.057 
.264 
.473 
1.000 
1/2 
1/8 
.946 
2.000 
1.000 
1/4 
3.785 
8.000 
4.000 
1.000 
