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Appendix
166
4
Magnification Ratio Chart
❖
Metric version (A series)
❖
Metric version (B series)
❖
Inch version (Engineering)
❖
Inch version (Architecture)
Copy
size
%
A0
A1
A2
A3
A4
Original size
A0
100.0
70.7
50.0
35.4
25.0
A1
141.4
100.0
70.7
50.0
35.4
A2
200.0
141.4
100.0
70.7
50.0
A3
282.8
200.0
141.4
100.0
70.7
A4
400.0
282.8
200.0
141.4
100.0
Copy
size
%
B1 JIS
B2 JIS
B3 JIS
B4 JIS
Original size
B1 JIS
100.0
70.7
50.0
35.4
B2 JIS
141.4
100.0
70.7
50.0
B3 JIS
200.0
141.4
100.0
70.7
B4 JIS
282.8
200.0
141.4
100.0
Copy
size
%
E
D
C
B
A
Original s
ize
E
100.0
64.7
50.0
32.4
25.0
D
129.4
100.0
64.7
50.0
32.4
C
200.0
129.4
100.0
64.7
50.0
B
258.8
200.0
129.4
100.0
64.7
A
400.0
258.8
200.0
129.4
100.0
Copy
size
%
E
D
C
B
A
Original siz
e
E
100.0
66.7
50.0
33.3
25.0
D
133.3
100.0
66.7
50.0
33.3
C
200.0
133.3
100.0
66.7
50.0
B
266.7
200.0
133.3
100.0
66.7
A
400.0
266.7
200.0
133.3
100.0