Free Photography Calculators

Calculate depth of field, exposure settings, print sizes, and storage needs for your photography — all for free. No signup, no guesswork.

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Exposure & Settings

Exposure triangle, shutter speed, flash guide number, and ND filter calculators.

8 calculators

Lens & Focus

Depth of field, hyperfocal distance, field of view, and crop factor calculators.

7 calculators

Print & Display

Print size, aspect ratio, PPI, viewing distance, and framing calculators.

7 calculators

Storage & Workflow

Memory card capacity, storage planning, time-lapse, and file size calculators.

8 calculators

Popular Calculators

Exposure Triangle Calculator

Calculate equivalent exposure settings when you change one parameter. Adjusts aperture, shutter speed, or ISO to maintain the same exposure value.

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Shutter Speed Calculator

Find the minimum shutter speed for sharp handheld photos using the reciprocal rule, adjusted for crop factor and image stabilization.

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ND Filter Calculator

Calculate the new shutter speed when using an ND (neutral density) filter. Enter your base exposure and filter strength.

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Depth of Field Calculator

Calculate the depth of field for any lens, aperture, and subject distance combination.

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Hyperfocal Distance Calculator

Find the hyperfocal distance for maximum depth of field from half that distance to infinity. Essential for landscape photography.

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Field of View Calculator

Calculate the horizontal, vertical, and diagonal field of view for any focal length and sensor size.

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Print Size Calculator

Calculate the maximum print size at a given DPI from your image resolution. Find out how large you can print without losing quality.

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Aspect Ratio Calculator

Calculate crop dimensions for any target aspect ratio. Find the right crop from your original image dimensions.

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Memory Card Calculator

Calculate how many photos fit on a memory card based on file format, resolution, and card capacity.

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Time-Lapse Calculator

Calculate frames needed, total shoot time, and storage for time-lapse photography. Plan your interval and duration.

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