Photography Tools
Free smart photography calculators for depth of field, hyperfocal distance, 35mm focal length equivalents, shutter speeds, exposure value, print sizes, DPI/PPI, and camera EXIF inspection. All tools run 100% in your browser with zero server uploads and instant processing.
Focal Length Calculator
Calculate 35mm equivalent focal length and field of view angles
Depth of Field Calculator
Calculate hyperfocal distance, near/far sharpness limits, and depth of field
Aperture Calculator
Calculate entrance pupil diameter, light transmission, and diffraction limits
Photography Crop Calculator
Calculate sensor crop factor equivalency for focal length and background blur
Exposure Calculator
Calculate Exposure Value (EV100), Sunny 16 rule, and ND filter multipliers
Shutter Speed Calculator
Calculate Astrophotography Rule of 500, NPF pinpoint stars, and motion freeze
Photo File Size Calculator
Estimate RAW/JPEG photo file sizes and SD memory card capacity
Aspect Ratio Calculator
Calculate camera aspect ratios, sensor reductions, and proportional resizing
Image Resolution Calculator
Calculate total megapixels and maximum archival print sizes at 300 DPI
Pixel Dimension Calculator
Find required pixel dimensions from target physical print sizes and DPI
DPI Calculator
Calculate commercial printing DPI and halftone line screen (LPI) rules
PPI Calculator
Calculate screen Pixels Per Inch (PPI) and Apple Retina viewing distance
Print Size Calculator
Evaluate photo print lab presets (4x6 to 24x36) for sharpness and quality
EXIF Viewer
100% in-browser client-side EXIF camera metadata and lens inspector
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