Multiplication chart 1-20

A 1-20 multiplication chart is a 20 × 20 grid of products from 1 × 1 = 1 up to 20 × 20 = 400. Find one number in the left column and the other along the top, and read the square where they meet. It prints on one page. You can also choose a 15 × 15 or 25 × 25 chart, or print a blank version with an answer key.

Multiplication Chart 1-20
Row times column1234567891011121314151617181920
11234567891011121314151617181920
2246810121416182022242628303234363840
33691215182124273033363942454851545760
448121620242832364044485256606468727680
55101520253035404550556065707580859095100
66121824303642485460667278849096102108114120
7714212835424956637077849198105112119126133140
881624324048566472808896104112120128136144152160
9918273645546372819099108117126135144153162171180
10102030405060708090100110120130140150160170180190200
11112233445566778899110121132143154165176187198209220
121224364860728496108120132144156168180192204216228240
1313263952657891104117130143156169182195208221234247260
1414284256708498112126140154168182196210224238252266280
15153045607590105120135150165180195210225240255270285300
16163248648096112128144160176192208224240256272288304320
171734516885102119136153170187204221238255272289306323340
181836547290108126144162180198216234252270288306324342360
191938577695114133152171190209228247266285304323342361380
2020406080100120140160180200220240260280300320340360380400

Square numbers (the diagonal) are shaded.

US Letter, 1 page. Print at 100% (Actual size), not Fit to page.

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What this 1-20 chart adds

We read the top five Google results on September 24, 2026 (Math = Love, a Pinterest pin, Madison Paper, MathMultiplicationTables.com and Timestables.com). Each offers fixed PDFs or images. None offers the same 1-20 chart on both A4 and US Letter, a partly blank chart with its own answer key, or shading for a single times table or the multiples of a number. The page linked from the Pinterest pin says 3 × 7 is 35 (it is 21), and Timestables.com appears in the results without offering a chart past 12 × 12.

We calculate every product on these charts and test every chart at every size before publishing.

15 × 15, 20 × 20 or 25 × 25?

Our generator counted these. We count 13 × 17 and 17 × 13 as one fact.

What each larger chart holds
ChartLargest productSquaresDifferent factsPrinted type size
15 × 15 (1-15)22522512015.5 points
20 × 20 (1-20)40040021011.8 points
25 × 25 (1-25)6256253259.6 points

These type sizes assume US Letter paper with 0.5-inch margins (1 point is 1/72 inch). On a 25 × 25 chart the numbers are about as small as the print in a paperback book: readable at a desk, hard to see on a wall.

Multiplication tricks for 13 to 25

  • Two numbers from 11 to 19: add the first number to the second number's ones digit and multiply that sum by 10. Then add the product of the two ones digits. For 13 × 14: 13 + 4 = 17, and 17 × 10 = 170. Then 3 × 4 = 12, and 170 + 12 = 182.
  • 15s: multiply the other number by 10, then add half of that result. 15 × 8 = 80 + 40 = 120.
  • 16s: double the answer from the 8 times table. 16 × 7 = 2 × 56 = 112.
  • 20s: double the number, then multiply by 10. 20 × 7 = 14 × 10 = 140.
  • 25s: think in quarters. Four 25s make 100, so 25 × 8 = 200 and 25 × 6 = 150. Every multiple of 25 ends in 00, 25, 50 or 75.

These tricks use the distributive property, the same idea as Common Core 3.OA.B.5: "Knowing that 8 × 5 = 40 and 8 × 2 = 16, one can find 8 × 7 as 8 × (5 + 2) = (8 × 5) + (8 × 2) = 40 + 16 = 56. (Distributive property.)"

Square numbers from 1 to 25

The shaded diagonal of the chart above shows the square numbers. The English national curriculum expects Year 5 pupils to "recognise and use square numbers and cube numbers, and the notation for squared (²) and cubed (³)".

When is a chart beyond 12 × 12 useful?

Common Core stops at single digits for memorized facts (3.OA.C.7: "By the end of Grade 3, know from memory all products of two one-digit numbers."), and England stops at 12 × 12 in Year 4. A 1-20 chart is a reference for later work: square numbers, factors and multiples, and checking multi-digit multiplication. For daily fact practice, a 12 × 12 chart or a times tables worksheet is a better choice.

Sources

Last checked September 24, 2026.