Free Printable Calcudoku
Browse free printable calcudoku — 40 sheets across 4 sets. Instant PDF downloads, no sign-up or email.
All of our calcudoku are free to download as print-ready PDFs with no sign-up, no email and no pop-ups. Pick a set below to preview every sheet and open its PDF, or use the download-all button on any set to get the whole thing as a single file.
There are 40 sheets here across 4 sets. Every grid is generated and solver-checked in code, so each puzzle has exactly one valid solution and an answer page. You are welcome to print as many copies as you need for your own classroom or family.
Questions
Is this really free?
Yes. Every printable here is free to download and print. There is no charge, no account and no email required.
Are the puzzles checked for errors?
Yes. Each one is generated and then verified in code to have exactly one valid solution, so there are no unsolvable or ambiguous puzzles. An answer page is included with every puzzle.
Do I have to sign up?
No. Click any set, then click a sheet to open its PDF straight away. Nothing is gated.
Can I use these in my classroom?
Yes. Print as many copies as you need for your own classroom or home. Please don't re-sell the files or re-host them as your own.
What paper do I need?
Standard US Letter. Every sheet is laid out to print on one page, and the artwork is centred so nothing is cut off.
