Key Signature Calculator

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Determines the key signature (sharps/flats) for a given major or minor key, or identifies the key from a signature.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Choose Input Type:, Key:, and Number of Sharps/Flats: in the units shown.

Step 2

Read Key Signature: in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

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