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6.14″ × 9.21″ book cover dimensions on cream paper

Full-wrap cover dimensions for a 6.14″ × 9.21″ perfect-bound paperback printed on cream paper, for every page count. Spine width, total canvas size and the pixel dimensions to design at.

The formula for this combination
spine = pages × 0.0025″
Full cover = 0.125″ bleed + 6.14″ back + spine + 6.14″ front + 0.125″ bleed, by 9.46″ tall. Height never changes with page count — only the spine does.
Trim size
6.14″ × 9.21″
Paper
Cream
Per page
0.0025″
Cover height
9.46″

Use the calculator for an exact page count →

Worked example at 200 pages

Back Front spine 0.5″ 13.03″ total width (with bleed) 9.46″ total height
Drawn to scale. The hatched border is the 0.125″ bleed that gets trimmed off — push background artwork all the way into it, and keep text well inside the solid panels.

Every page count for 6.14″ × 9.21″ on cream paper

Find your page count in the first column. If yours falls between two rows, use the formula above — or the calculator, which takes any number.

Pages Spine (in) Spine (mm) Cover W × H (in) Cover W × H (mm) Pixels at 300 DPI Spine text
24 0.06″ 1.52 12.59 × 9.46 319.8 × 240.3 3,777 × 2,838 Too narrow
30 0.075″ 1.91 12.605 × 9.46 320.2 × 240.3 3,782 × 2,838 Too narrow
40 0.1″ 2.54 12.63 × 9.46 320.8 × 240.3 3,789 × 2,838 Too narrow
50 0.125″ 3.18 12.655 × 9.46 321.4 × 240.3 3,797 × 2,838 Too narrow
60 0.15″ 3.81 12.68 × 9.46 322.1 × 240.3 3,804 × 2,838 Too narrow
70 0.175″ 4.45 12.705 × 9.46 322.7 × 240.3 3,812 × 2,838 Too narrow
79 0.1975″ 5.02 12.728 × 9.46 323.3 × 240.3 3,818 × 2,838 Yes
80 0.2″ 5.08 12.73 × 9.46 323.3 × 240.3 3,819 × 2,838 Yes
90 0.225″ 5.72 12.755 × 9.46 324 × 240.3 3,827 × 2,838 Yes
100 0.25″ 6.35 12.78 × 9.46 324.6 × 240.3 3,834 × 2,838 Yes
110 0.275″ 6.99 12.805 × 9.46 325.3 × 240.3 3,842 × 2,838 Yes
120 0.3″ 7.62 12.83 × 9.46 325.9 × 240.3 3,849 × 2,838 Yes
130 0.325″ 8.25 12.855 × 9.46 326.5 × 240.3 3,857 × 2,838 Yes
140 0.35″ 8.89 12.88 × 9.46 327.2 × 240.3 3,864 × 2,838 Yes
150 0.375″ 9.52 12.905 × 9.46 327.8 × 240.3 3,872 × 2,838 Yes
160 0.4″ 10.16 12.93 × 9.46 328.4 × 240.3 3,879 × 2,838 Yes
170 0.425″ 10.8 12.955 × 9.46 329.1 × 240.3 3,887 × 2,838 Yes
180 0.45″ 11.43 12.98 × 9.46 329.7 × 240.3 3,894 × 2,838 Yes
190 0.475″ 12.07 13.005 × 9.46 330.3 × 240.3 3,902 × 2,838 Yes
200 0.5″ 12.7 13.03 × 9.46 331 × 240.3 3,909 × 2,838 Yes
220 0.55″ 13.97 13.08 × 9.46 332.2 × 240.3 3,924 × 2,838 Yes
240 0.6″ 15.24 13.13 × 9.46 333.5 × 240.3 3,939 × 2,838 Yes
250 0.625″ 15.88 13.155 × 9.46 334.1 × 240.3 3,947 × 2,838 Yes
260 0.65″ 16.51 13.18 × 9.46 334.8 × 240.3 3,954 × 2,838 Yes
280 0.7″ 17.78 13.23 × 9.46 336 × 240.3 3,969 × 2,838 Yes
300 0.75″ 19.05 13.28 × 9.46 337.3 × 240.3 3,984 × 2,838 Yes
320 0.8″ 20.32 13.33 × 9.46 338.6 × 240.3 3,999 × 2,838 Yes
340 0.85″ 21.59 13.38 × 9.46 339.9 × 240.3 4,014 × 2,838 Yes
360 0.9″ 22.86 13.43 × 9.46 341.1 × 240.3 4,029 × 2,838 Yes
380 0.95″ 24.13 13.48 × 9.46 342.4 × 240.3 4,044 × 2,838 Yes
400 1″ 25.4 13.53 × 9.46 343.7 × 240.3 4,059 × 2,838 Yes
450 1.125″ 28.58 13.655 × 9.46 346.8 × 240.3 4,097 × 2,838 Yes
500 1.25″ 31.75 13.78 × 9.46 350 × 240.3 4,134 × 2,838 Yes
550 1.375″ 34.92 13.905 × 9.46 353.2 × 240.3 4,172 × 2,838 Yes
600 1.5″ 38.1 14.03 × 9.46 356.4 × 240.3 4,209 × 2,838 Yes
700 1.75″ 44.45 14.28 × 9.46 362.7 × 240.3 4,284 × 2,838 Yes
800 2″ 50.8 14.53 × 9.46 369.1 × 240.3 4,359 × 2,838 Yes

Page counts are always even. Every sheet of paper has two sides, so an odd manuscript page count gets rounded up by the printer. Work out your spine from the rounded number, not the one your word processor shows.

The same trim on other paper

Changing stock changes the spine, so the cover has to be rebuilt. Here is what 6.14″ × 9.21″ looks like at 200 pages on each:

PaperPer pageSpine at 200ppCover width
White 0.002252″ 0.4504″ 12.98″ View
Cream (this page) 0.0025″ 0.5″ 13.03″
Standard Color 0.002252″ 0.4504″ 12.98″ View
Premium Color 0.002347″ 0.4694″ 12.999″ View

What 6.14″ × 9.21″ is normally used for

Academic, textbooks.

Other trim sizes

Common questions

What is the spine width for a 6.14″ × 9.21″ book on cream paper?

Multiply the page count by 0.0025″. A 200-page book comes to 0.5″ (12.7 mm). There is no constant to add — the spine is purely page count × paper thickness.

Does the spine formula include an extra 0.06 inches?

No. A version of this formula that adds 0.06″ circulates widely, but that constant does not appear in the printer’s specification. Adding it makes the cover about 1.5 mm too wide, which shifts your spine text off-centre and can push the file into rejection.

Why does cream paper give a different spine to the other stocks?

Each stock has its own caliper. Cream is 0.0025″ per page — slightly thicker than white, so the same page count gives a wider spine. common for novels. Same page count, different stock, different spine — so pick the paper before you build the cover.

Can I put text on the spine?

Only from 79 pages up. Below that the spine is too narrow to print reliably and the file will be rejected. At and above it, keep at least 0.0625″ clear on each side of the text.

What pixel canvas should I design on?

At 300 DPI a 200-page 6.14″ × 9.21″ cover is 3,909 × 2,838 px. Start the document at that size. Designing smaller and scaling up loses detail the printer will show.