This calculator will give you number combinations for Killer Sudoku cages and Kakuro sums based on the size of the cage and the target sum. It will also show if there are any required digits for the cage. If you don't know why any of that is useful, be sure to check out our Killer Sudoku From Scratch tutorial!
To use the calculator, use the slider to set the number of cells in the cage or sum, and pick the target sum from the dropdown. You can use the checkboxes at the bottom to filter out combinations that include and / or exclude certain digits.
If you would rather see number combinations and required digits as a list, we have a cheat sheet here, or as a downloadable printable PDF here.
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