---
title: "Medium sudoku: free printable with solutions"
description: "Free printable medium sudoku with the solution. A balanced grid for everyday solving, with exactly one solution and the answer key on page two."
source: "https://www.oncebooks.com/sudoku/medium"
---

1. [Home](https://www.oncebooks.com/)
2. [Sudoku](https://www.oncebooks.com/sudoku)
3. Medium

Free printable

# Medium sudoku

Medium sudoku sits in the sweet spot: enough starting numbers to keep it fair, few enough to make you think. Every board is generated with a single guaranteed solution, and the answer prints alongside it. Print one, or generate a new grid in a click.

PuzzleDesign

Difficulty

EasyMediumHardExtremeEvil

Higher grades need harder solving techniques, not just fewer given numbers.

30 given numbers

Hardest step to solve: Locked candidates

Layout

SymmetricRandom

Symmetric gives the classic newspaper look.

Theme

ClassicBoldSoftShadedNavyIndigoSkyTealEmeraldForestPlumBerryCrimsonEmberAmberCocoa

**Customise colours**

Numbers

Cell lines

Box lines

Page background

Style

StandardClean

Clean drops the title band and footer, leaving the grid.

Generate puzzlePrint / save PDF

Two pages: the puzzle and its solution. Every board has exactly one solution, generated by the same engine as our KDP studio.

## Want the whole book?

This makes one puzzle. Sign up to turn it into a full sudoku book for Amazon KDP: hundreds of graded puzzles at any trim, as print-ready PDFs. We carry your difficulty into the studio.

[Build the full book](https://app.oncebooks.com/publisher-studio/sudoku/edit?from=sudoku&v=2&s=eyJkaWZmaWN1bHR5IjoiTUVESVVNIiwiY29sb3JUaGVtZSI6eyJ0aGVtZUlkIjoiY2xhc3NpYyIsIm92ZXJyaWRlcyI6e319fQ)

Free to build · pay once to export

Preview

The puzzle and its solution, as they print.

Hide the preview

- Sudoku Medium

  1

  Puzzle
- Sudoku Medium · Solution

  2

  Solution

Generate puzzlePrint / save PDF

## Making a whole sudoku book?

This page makes one puzzle. To publish a book on Amazon KDP, the [KDP sudoku maker](https://www.oncebooks.com/kdp-sudoku-maker) generates hundreds of graded puzzles at any trim, as a print-ready 300 DPI interior and solutions PDF. Generate once, export unlimited sizes.

## More printable sudoku

- [Easy sudoku](https://www.oncebooks.com/sudoku/easy)
- [Hard sudoku](https://www.oncebooks.com/sudoku/hard)
- [Expert sudoku](https://www.oncebooks.com/sudoku/expert)
- [Evil sudoku](https://www.oncebooks.com/sudoku/evil)
- [Large print sudoku](https://www.oncebooks.com/sudoku/large-print)
- [Printable sudoku](https://www.oncebooks.com/sudoku/printable)

[See every printable sudoku](https://www.oncebooks.com/sudoku)

## Questions

**Is this medium sudoku free to print?**

Yes. Generate the puzzle above and print it with its solution, at no cost and with no sign-up. It is free for classroom, home and personal use.

**Does every medium sudoku board have one solution?**

Yes. Every board is generated and verified to have exactly one solution, so a puzzle is never ambiguous or unsolvable. The full solution prints on the second page.

**Can I make a sudoku book to sell on KDP?**

Yes. The free tool makes one puzzle. The KDP sudoku maker generates hundreds of graded puzzles at any KDP trim, as a print-ready 300 DPI interior and solutions PDF, so you can publish a book.