What is 18x42 mm in inches? 18x42 mm in inches is approximately 0.709 x 1.654 inches. Rounded to the nearest whole number, it's about 1 x 2 inches.
18 × 42 mm = 0.709 × 1.654 in
If calculating the area:
18 mm x 42 mm = 756 mm² ≈ 1.172 Square Inches
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