Conversion Tables

These and other useful conversions are included in the Farm Pocket Notebook, Circular 841, UF/IFAS. It's a handy information source, and a convenient format for recording field operations, pesticide use and expenses.

Can't find the table you want? Go to the Conversion Rates, Equivalents & Tables page.

Row 
Width 
(inches)		 Distance to Equal Length for 1/100 Acre
1 Acre 1/100 A 1/1000 A 2 Rows 4 Rows 6 Rows
ft ft in ft in ft ft ft
18"
20"
24"
28"
30"
32"
36"
38"
40"
48"
60"
72"		 29,040'
26,136'
21,780'
18,669'
17,424'
16,355'
14,520'
13,756'
13,068'
10,890'
8,712'
7,260'		 290'
261'
217'
186'
174'
163'
145'
137'
130'
108'
87'
72'		 5"
5"
10"
8"
2"
4"
2"
7"
8"
11"
1"
7"		 29'
26'
21'
18'
17'
16'
14'
13'
13'
10'
8'
7'		 0"
11"
9"
7"
5"
4"
6"
10"
1"
11"
8"
4"		 145'
131'
109'
93'
87'
82'
73'
69'
65'
54'
44'
36'		 73'
65'
55'
47'
44'
41'
36'
34'
33'
27'
22'
18'		 48'
44'
36'
31'
29'
27'
24'
23'
22'
18'
15'
12'

Equivalent Travel Rate Miles per hour
1 mph 2 mph 3 mph 4 mph 5 mph 6 mph
= Ft / Minute 88 176 264 352 440 528
= 1000 inch / min & sec 11 min
22 sec		 5 min
41 sec		 3 min
47 sec		 2 min
50 sec		 2 min
16 sec		 1 min
54 sec

In-Row
Spacing
(inches ) 		Thousands of Plants per Acre at Row Widths of: Plants per
100 feet
8" 12" 18" 24" 28" 32" 36" 40"
1
2
4
6
8
10
12
18
24		 784
392
196
131
98.0
78.4
65.3
43.6
32.7		 523
261
131
87.1
65.3
52.3
43.6
29.0
21.8		 349
174
87.1
58.1
43.6
34.8
29.0
19.4
14.5		 261
131
65.3
43.6
32.7
26.1
21.8
14.5
10.9		 224
112
56.0
37.3
28.0
22.4
18.7
12.4
9.3		 196
98.0
49.0
32.7
24.5
19.6
16.3
10.9
8.2		 174
87.1
43.6
29.0
21.8
17.4
14.5
9.7
7.3		 157
78.4
39.2
26.1
19.6
15.7
13.1
8.7
6.5		 1200
600
300
200
150
120
100
67
50


Can't find the table you want? Go to the Conversion Rates, Equivalents & Tables page.