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Size comparison

10R vs 8R

10R is 50.8 mm wider and 50.8 mm taller than 8R. They are close but not interchangeable: a layout built for one clips or leaves a border on the other.

50.8 mm50.8 mm8R10R
8R (203.2 × 254 mm) and 10R (254 × 304.8 mm) at the same scale, corners aligned. The shaded band is what 10R adds.

Compare a Different Pair

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10R and 8R, Side by Side

10R8RDifference
Millimetres254 × 304.8203.2 × 25450.8 × 50.8 mm
Inches10 × 128 × 102 × 2 in
Centimetres25.4 × 30.520.3 × 25.4
Area0.0774 m², 77,419 mm²0.0516 m², 51,613 mm²1.5×
Aspect ratio1 : 1.2001 : 1.250different

What Is Lost Printing One on the Other

At 100% scale, both centred, nothing resized. A positive figure on the wider or taller side is cropped; on the other it is a blank margin.

AxisGap10R onto 8R8R onto 10R
Width25.4 mm (1 in) each side10R loses itblank band
Height25.4 mm (1 in) each end10R loses itblank band

Scale-to-Fit Percentages

The figure to type into a printer or PDF dialog to scale one to fit inside the other:

8R to fit 10R120%leaves a thin border on one pair of edges
10R to fit 8R80%leaves a thin border on one pair of edges

Frequently Asked Questions

Is 10R bigger than 8R?

10R is bigger. It is 254 × 304.8 mm against 203.2 × 254 mm for 8R, about 1.5 times the area.

What is the difference between 10R and 8R?

10R is 50.8 mm wider and 50.8 mm taller than 8R. They are close but not interchangeable: a layout built for one clips or leaves a border on the other.

Can you print 8R on 10R?

Not at full size without a change. Shrink 8R to 120% to fit 10R, which leaves a thin border, or print at 100% and lose 25.4 mm off each side and 25.4 mm top and bottom.

Dimensions per the standards on the 10R and 8R pages. Differences and scale factors computed. Reviewed . Editorial Process →