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176
4. Zoom Ratio Table (Original Size to Copy Paper Size)
Metric Areas
Copy Paper
Original Size
A3
297 × 420 mm
11-3/4"
× 16-1/2"
A4
210 × 297 mm
8-1/4"
× 11-3/4"
A5
148 × 210 mm
5-3/4"
× 8-1/4"
A6
105 × 148 mm
4-1/4"
× 5-3/4"
B4
257 × 364 mm
10"
× 14-1/4"
B5
182 × 257 mm
7-1/4" × 10"
B6
128 × 182 mm
5" × 7-1/4"
Zoom Ratio
Size
×0.707
A4
×0.500
A5
×0.866
B4
×0.610
B5
×0.707
A5
×0.500
A6
×0.866
B5
×0.610
B6
×1.414
A3
×1.224
B4
×0.707
A6
×0.866
B6
×1.414
A4
×2.000
A3
×1.733
B4
×1.224
B5
×2.000
A4
×1.414
A5
×1.733
B5
×1.224
B6
×0.816
A4
×0.577
A5
×0.707
B5
×0.500
B6
×1.154
A3
×0.816
A5
×0.577
A6
×0.707
B6
×1.640
A3
×1.154
A4
×1.414
B4
×0.816
A6
×1.640
A4
×1.154
A5
×2.000
B4
×1.414
B5
Inch Areas
Copy Paper
Original Size
Size
11" × 14"
11" × 17"
Legal
279.4
Foolscap
× 431.8 mm
Letter
Invoice
11" × 14"
11" × 15"
Legal
279.4
Foolscap
× 381 mm
Letter
Invoice
Legal
11" × 14"
Foolscap
279.4
Letter
× 355.6 mm
Invoice
Legal
Foolscap
8-1/2" × 14"
Letter
215.9
Invoice
× 355.6 mm
11" × 17"
Foolscap
Letter
8-1/2" × 13"
Invoice
215.9
11" × 17"
× 330.2 mm
11" × 14"
Invoice
Letter
8-1/2" × 11"
11" × 17"
215.9
11" × 14"
× 279.4 mm
11" × 17"
Invoice
11" × 14"
5-1/2"
× 8-1/2"
Legal
139.7
Foolscap
× 215.9 mm
Letter
Zoom Ratio = Copy Paper Size ÷ Original Size
1" (inch) = 25.4 mm
1 mm = 0.0394" (inch)
Zoom Ratio
×0.823
×0.772
×0.764
×0.647
×0.500
×0.933
×0.772
×0.772
×0.733
×0.500
×0.772
×0.772
×0.772
×0.500
×0.928
×0.785
×0.607
×1.214
×0.846
×0.647
×1.294
×1.076
×0.647
×1.294
×1.272
×2.000
×1.647
×1.545
×1.529
×1.294
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