Poster Conversion Calculator

Please use decimal point "."
Example: 685.8 x 1016 mm

Type in the mm-value

Poster Size in "mm" X mm

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Poster Size in "inches" X in

Fraction Chart

Select the best fit for your poster by rounding up to the nearest fraction. Any extra room in the frame when rounding up will hardly be noticed in the finished product. If you round down, your poster may not fit.

Inch Decimal Inch Fraction
0.06251/16
0.1251/8
0.18753/16
0.251/4
0.31255/16
0.3753/8
0.43757/16
0.51/2
0.56259/16
0.6255/8
0.687511/16
0.753/4
0.812513/16
0.8757/8
0.937515/16
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