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sq. centimetre = 0-1 550 square inch
sq. decimetre ^ 0-1076 square foot
= 1-196
= 3-954
= 2
sq. metre
are
hectare
square yard
sq. kilometre =
sq. inch
=
sq. foot
=
sq. yard
=
sq. rod
acre
=
sq. mile
=
1 acre = 0-4047 hectare
160 sq. rods
s
square rods
47 acres
0 386 square mile
6-452 sq. centimetres
9-2903 sq. decimetres
0-8361 sq. metre
0-2529 are
0-4047 hectare
2-59 sq. kilometres
= 40-47ares= 4.840 sq. yards
10 square chains.
640
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1 sq. mile = 2-59 sq. kilometres = 259 hectares
or 3.097,600 sq. yds.
SQUARE MEASURE
144
sq. inches = 1
9 sq. feet =
■]
30 lM sq. yds = 1
sq
sq
sq
foot,
yard
rod
40 sq. rods
4 roods
640 acres
acres
1 rood
1 acre
1 sq. mile
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SURVEYOR'S MEASURE
-92 Inches = l |jnk; 25 links = 1 rod; 4 rods = 1 chain
0 sq. chains or 160 sq. rods = 1 acre; 640 acres = 1 sq. mile
36 sq. miles (6 miles sq.) = 1 township
TIME
60 seconds = 1 minute 60 minutes = 1 hour
24 hours = 1 day
7 days
= 1 week
28, 29, 30 or 31 days = 1 calendar month
30 days = 1 month In computing Interest.
365 days = 1 year 366 days = 1 leap year
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