๐Ÿ“ท Photography

Shutter Speed Calculator

The oldest rule in photography is that the safe handheld shutter speed is one over the focal length, and it needs adjusting for crop sensors. Fast-moving subjects need a separate calculation based on how far they travel during the exposure.

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How it works

Focal length Crop factor Image stabilisation Subject speed Subject distance Acceptable blur Safe handheld shutter speed Rule of thumb value Shutter to freeze the subject Recommended shutter speed Stops gained from stabilisation

Frequently asked questions

How do I use the Shutter Speed Calculator?

Fill in the fields above โ€” the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.

Is this calculator free?

Yes. It is completely free, requires no account, and works on phones, tablets and desktops.

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