Size

sqft

sqM

@6 birds per sq m

@7 birds per sq m

@9 birds per sq m

External

size

calculated from external size

calculated from external size

calculated from external size

10x6

60

5.57

33

38

50

12x6

72

6.69

40

46

60

14x6

112

7.80

46

54

70

10x8

80

7.43

44

52

66

12x8

96

8.92

53

62

80

14x8

112

10.40

62

72

93

16x8

128

11.89

71

83

107

20x8

160

14.86

89

104

133

14x10

140

13.01

78

91

117

16x10

160

14.86

89

104

133

18x10

180

16.72

100

117

150

20x10

200

18.58

111

130

167

27X10

270

25.08

150

175

225