Blank Sudoku Grid — Free Printable Templates
A blank sudoku grid lets you practise techniques, create custom worksheets, or copy puzzles from books and apps without buying special paper. Download a clean 9×9 grid in PDF — one, two, four, or six grids per page — in both A4 and US Letter size.
Back to printable sudoku puzzles · Try pre-filled printable puzzles
Download Blank Sudoku Grids
Choose your layout below. All grids are standard 9×9 with clearly marked 3×3 box borders.
Who Uses Blank Sudoku Grids?
- Students practising technique. Copying a puzzle onto blank paper trains your eye for the grid and removes the distraction of a pre-printed layout. Work through candidate notation at your own pace.
- Teachers creating custom worksheets. Print six grids per page, photocopy, and hand out blank sheets for in-class or homework activities. Pairs well with the classroom printable pack.
- Solvers transcribing from books or apps. If a puzzle in your favourite book or app doesn't leave enough room for pencil marks, copy it to a blank grid and solve on paper with full notation space.
- Puzzle creators designing their own sudoku. Draft your own puzzle layout by hand before digitising — blank grids make an ideal starting canvas.
How to Use a Blank Grid
Print the 1-per-page format first if you are new to manual notation — the cells are large enough for a full set of candidate marks. Use a sharp HB pencil so marks erase cleanly.
For candidate (pencilmark) notation, divide each cell mentally into a 3×3 mini-grid and write small digits in their fixed positions. This fixed-position technique makes it easy to scan across rows and columns for eliminations.
If you are using a blank grid for practice drills — for example, repeating a naked singles or hidden singles exercise — print the 4-per-page layout so you can work through multiple setups per session. See the how to play guide or the beginner's guide to sudoku for technique walkthroughs.
Frequently Asked Questions
What size is a standard sudoku grid?
A standard sudoku grid is 9 columns × 9 rows, divided into nine 3×3 boxes. The outer border, inner box borders, and cell lines are all standard — so any 9×9 grid printed from this page is fully compatible with published puzzle books and apps.
Can I use blank grids for killer or variant sudoku?
The 9×9 grid structure is compatible with most variant formats including Killer Sudoku, X-Sudoku, and Windoku. Variant puzzles require you to add cage lines or diagonal markers by hand after printing — a ruler and fine pen work well.
What's the difference between 1-per-page and 4-per-page?
The 1-per-page format gives you the largest grid with the most space for candidate marks — best for beginners, detailed technique practice, or anyone who prefers roomy cells. The 4-per-page format fits four grids on one sheet, more efficient for teachers distributing worksheets or solvers running through multiple practice grids in one session.