Graph Paper Sizes: Print Any Standard Size

Six paper sizes drawn nested and to scale from a shared bottom-left corner: A3, Tabloid, Legal, A4, Letter and A5, with each outline labeled and its millimeter dimensions listed alongside.
Every common size drawn to scale from one corner. Letter is wider than A4 but shorter, which is the whole of the A4 versus Letter problem in one picture.

Every paper size the generator prints, with exact dimensions in millimeters and inches -- and a link that opens the generator already set to it

Print Graph Paper at Any Size

Every size below is a preset in the generator. Pick one and the grid is drawn to that sheet immediately -- square size, margins and all -- ready to print or download as a PNG or SVG. These six cover almost everything; the full list of twenty-four, including the ISO B and C series, is further down.

SizeMillimetersInchesGenerator
Letter215.9 × 279.4 mm8.5" × 11"Print Letter graph paper
A4210 × 297 mm8.27" × 11.69"Print A4 graph paper
Legal215.9 × 355.6 mm8.5" × 14"Print Legal graph paper
Tabloid279.4 × 431.8 mm11" × 17"Print Tabloid graph paper
A3297 × 420 mm11.69" × 16.54"Print A3 graph paper
A5148 × 210 mm5.83" × 8.27"Print A5 graph paper

If none of them is what you need, the generator also takes exact dimensions in inches or millimeters. See custom sizes below.

A4 vs Letter: Key Differences

A4 and US Letter overlaid from a shared bottom-left corner. Letter is six millimeters wider and A4 is eighteen millimeters taller, and the two strips that belong to only one of them are shaded and dimensioned.
The overlap is what prints safely on both. Anything in a shaded strip is what gets clipped when the wrong size is selected.

These are the two sizes almost everyone actually prints on, and they are close enough to look interchangeable without being interchangeable. Letter is about 6 mm wider; A4 is about 18 mm taller. Neither fits inside the other.

LetterA4
Width215.9 mm (8.5")210 mm (8.27")
Height279.4 mm (11")297 mm (11.69")
Area603 cm²624 cm²
Aspect ratio1.294:11.414:1 (√2)
Where it is standardUS, Canada, Philippines, Mexico, ChileEverywhere else
GeneratorPrint Letter graph paperPrint A4 graph paper

The practical consequence matters more for graph paper than for text. Print an A4 grid on Letter stock and the bottom 18 mm has nowhere to go: your printer either clips it, or -- far more often -- silently scales the whole page down to fit. Scaling is the damaging one, because a 5 mm square that has been reduced to 94% is 4.7 mm, and every measurement taken off that sheet is wrong by the same 6%. Nothing on the page announces it. Our printing tips cover the print-dialog settings that prevent it: scale at 100%, fit-to-page off.

So set the paper size here to match the paper actually in the tray, not the size the document was designed for.

US/Imperial Paper Sizes

The US sizes are historical rather than systematic. There is no consistent ratio between them, so halving one does not produce another, and enlarging between them always leaves an odd margin. Letter is the one that matters; the rest are specialist.

SizeMillimetersInchesTypical useGenerator
Letter215.9 × 279.4 mm8.5" × 11"The US default, and what almost every US printer is loaded withPrint Letter graph paper
Legal215.9 × 355.6 mm8.5" × 14"Three extra inches of run for long tables and timelinesPrint Legal graph paper
Tabloid279.4 × 431.8 mm11" × 17"Portrait large format; needs a printer that takes 11 x 17Print Tabloid graph paper
Ledger431.8 × 279.4 mm17" × 11"Tabloid turned landscape -- the same sheet, the other way upPrint Ledger graph paper
Government Letter203.2 × 266.7 mm8" × 10.5"Slightly narrower and shorter than Letter; US federal usePrint Government Letter graph paper
Half Letter139.7 × 215.9 mm5.5" × 8.5"Letter cut once. Pocket notebooks and planner insertsPrint Half Letter graph paper
Junior Legal203.2 × 127 mm8" × 5"Small legal pads and note cardsPrint Junior Legal graph paper

ISO Paper Sizes (International Standard)

The A series shown as repeated halving: an A0 sheet divided into A1, that half divided into A2, and so on down to A6, each region shaded and labeled.
Each A size is the one before it folded in half across the long edge. The proportions never change, which is why scaling A3 artwork down to A4 never leaves an odd margin.

ISO 216 defines the sizes used in most of the world, and unlike the US set it is built on a single idea: every sheet has an aspect ratio of √2:1, about 1.414:1. That ratio is the only one that survives being folded in half, so cutting any ISO sheet across its long edge gives two sheets of the next size down with exactly the same proportions.

That is why the A series scales cleanly. A4 artwork enlarged to A3 fills the sheet with no leftover strip, and A3 reduced to A4 does the same. It is also why the numbering runs backwards from what people expect: A0 is the big one, with an area of one square meter, and each step up in number halves it.

ISO A Series (Most Common)

SizeMillimetersInchesTypical useGenerator
A0841 × 1189 mm33.11" × 46.81"One square meter of paper. Plotters and wall drawingsPrint A0 graph paper
A1594 × 841 mm23.39" × 33.11"Technical drawings and flip chartsPrint A1 graph paper
A2420 × 594 mm16.54" × 23.39"Detailed drawings and presentation boardsPrint A2 graph paper
A3297 × 420 mm11.69" × 16.54"Large graphs and engineering work; many office printers take itPrint A3 graph paper
A4210 × 297 mm8.27" × 11.69"The international default, and the size most of the world prints onPrint A4 graph paper
A5148 × 210 mm5.83" × 8.27"Notebooks and bullet journalsPrint A5 graph paper
A6105 × 148 mm4.13" × 5.83"Postcard size. Index cards and pocket referencesPrint A6 graph paper

ISO B Series

The B series sits between consecutive A sizes -- B4 falls between A3 and A4 -- which makes it useful when the A size above is too big and the one below is too small. It is common in posters and in Japanese stationery.

SizeMillimetersInchesTypical useGenerator
B01000 × 1414 mm39.37" × 55.67"Posters and large-format printingPrint B0 graph paper
B1707 × 1000 mm27.83" × 39.37"Posters, technical drawingsPrint B1 graph paper
B2500 × 707 mm19.69" × 27.83"Charts and mid-size postersPrint B2 graph paper
B3353 × 500 mm13.9" × 19.69"Books, folded mapsPrint B3 graph paper
B4250 × 353 mm9.84" × 13.9"Between A3 and A4; common for books and Japanese stationeryPrint B4 graph paper
B5176 × 250 mm6.93" × 9.84"Notebooks, common in Japanese stationeryPrint B5 graph paper

ISO C Series (Envelopes)

The C series is sized to hold the A series: a C4 envelope takes an A4 sheet unfolded, a C5 takes it folded once. You would rarely print graph paper at these sizes, but they are here for completeness and for anyone mailing a finished sheet.

SizeMillimetersInchesHoldsGenerator
C3324 × 458 mm12.76" × 18.03"Holds A3 unfoldedPrint C3 graph paper
C4229 × 324 mm9.02" × 12.76"Holds A4 unfoldedPrint C4 graph paper
C5162 × 229 mm6.38" × 9.02"Holds A5 unfolded, or A4 folded oncePrint C5 graph paper
C6114 × 162 mm4.49" × 6.38"Holds A6 unfolded, or A5 folded oncePrint C6 graph paper

Choosing the Right Paper Size for Graph Paper

A sheet with its unprintable border shaded around all four edges, the printable area marked inside it, and a grid sized to finish on a whole square within that area instead of being cut off mid-square.
No consumer printer reaches the paper edge. Sizing the grid to end on a whole square inside the printable area avoids a fringe of slivers.

Two things decide the size: how much of the subject has to fit on one sheet, and how small a square you can still work in. Going larger buys you more squares, not finer ones -- if the grid is too fine to write in on A4, it will be just as fine on A3. When the problem is square size rather than sheet size, our guide to choosing the right grid size is the one you want.

ProjectStart withGo larger when
Mathematics and courseworkLetter or A4Plotting several functions that need to stay readable
Engineering and technical drawingA3 or TabloidA full assembly has to sit on one sheet
Room layouts and floor plansLetter or A4 per roomAn open plan or a whole floor at one scale
Garden planningLetter or A4 per bedMapping a whole property
Bullet journals and plannersA5 or Half LetterNever -- portability is the point
Design sketchingA4 or LetterThe finished piece needs presenting
Cross-stitch and knitting chartsA3 or TabloidAlmost always -- counting squares gets hard when they are small

Two constraints override all of that. Check what your printer physically accepts before choosing anything above A3 or Tabloid, because most home printers stop at A4 or Letter. And if a plan is genuinely too big for the largest sheet you can print, tiling several sheets at one scale and taping them is more accurate than shrinking the whole thing onto one page.

Custom Paper Sizes

When no preset fits, type the dimensions in. The generator takes any width and height in inches or millimeters, which covers plotter rolls, trimmed stock, a notebook you are making inserts for, and sheets sized to a frame or a binder.

One thing to allow for: no consumer printer prints to the edge of the sheet. There is an unprintable border of a few millimeters on all four sides, so a grid built to the full paper dimensions loses its outermost row and column. If the edges matter, set margins large enough to clear the border, and size the grid so it ends on a whole square rather than a sliver.

Quick Reference Table

Every size the generator supports, with exact dimensions and the ratio of long edge to short. The ISO sizes are all 1.414:1; the US sizes are not, which is the whole difference between the two systems in one column.

SizeMillimetersInchesAspect ratioGenerator
Letter215.9 × 279.4 mm8.5" × 11"1.294:1Print Letter
Legal215.9 × 355.6 mm8.5" × 14"1.647:1Print Legal
Tabloid279.4 × 431.8 mm11" × 17"1.545:1Print Tabloid
Ledger431.8 × 279.4 mm17" × 11"1.545:1Print Ledger
Government Letter203.2 × 266.7 mm8" × 10.5"1.312:1Print Government Letter
Half Letter139.7 × 215.9 mm5.5" × 8.5"1.545:1Print Half Letter
Junior Legal203.2 × 127 mm8" × 5"1.600:1Print Junior Legal
A0841 × 1189 mm33.11" × 46.81"1.414:1Print A0
A1594 × 841 mm23.39" × 33.11"1.416:1Print A1
A2420 × 594 mm16.54" × 23.39"1.414:1Print A2
A3297 × 420 mm11.69" × 16.54"1.414:1Print A3
A4210 × 297 mm8.27" × 11.69"1.414:1Print A4
A5148 × 210 mm5.83" × 8.27"1.419:1Print A5
A6105 × 148 mm4.13" × 5.83"1.410:1Print A6
B01000 × 1414 mm39.37" × 55.67"1.414:1Print B0
B1707 × 1000 mm27.83" × 39.37"1.414:1Print B1
B2500 × 707 mm19.69" × 27.83"1.414:1Print B2
B3353 × 500 mm13.9" × 19.69"1.416:1Print B3
B4250 × 353 mm9.84" × 13.9"1.412:1Print B4
B5176 × 250 mm6.93" × 9.84"1.420:1Print B5
C3324 × 458 mm12.76" × 18.03"1.414:1Print C3
C4229 × 324 mm9.02" × 12.76"1.415:1Print C4
C5162 × 229 mm6.38" × 9.02"1.414:1Print C5
C6114 × 162 mm4.49" × 6.38"1.421:1Print C6

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