Free calculators to help you nail exposure, depth of field, and composition in the field.
Calculate hyperfocal distance, near/far limits and total depth of field for any lens.
Find the new shutter speed when stacking ND filters on your lens.
Estimate exposure with the Sunny 16 rule or convert between EV and camera settings.
Convert focal lengths and apertures between different sensor sizes.
Compare aspect ratios and see how your image crops when converting between formats.
Find golden hour, blue hour, sunrise and sunset times for any location.
Calculate interval, clip length and storage for your timelapse shoot.
Maximum shutter speed for astrophotography using the 500, NPF, and NPi rules.
Calculate flash power, distance, or aperture from guide number.
Compute horizontal, vertical, and diagonal field of view for any lens and sensor.
Plan focus-stacking shots: number of frames, step size, and overlap.
Find maximum print dimensions at a given DPI from your image resolution.
Find matching aperture, shutter speed, and ISO combinations for the same exposure.
Estimate how many photos or minutes of video fit on your memory card.
Want AI-powered feedback on your photos? Analyze your photos with Lumin →