Photo

Calculate aspect ratios from width and height

Fit an image on a screen with letterboxing

Calculate megapixels from print size and DPI

Calculate megapixels from width and height

View megapixels in different aspect ratios

Estimate image file size for JPEG, PNG, RAW formats

Calculate field of view from focal length and distance

Calculate ideal shooting distance for portraits

Match settings between different sensor sizes

Calculate DoF from aperture, focal length, and distance

Calculate hyperfocal distance for maximum depth of field

Depth of field with adjustable CoC for print size and viewing

Accurate depth of field for macro photography

Interactive table showing DoF across apertures and distances

Calculate CoC from sensor, print size, and viewing distance

Calculate Exposure Value from camera settings

Calculate exposure time with ND filters

Calculate golden hour times based on your location

Calculate sun position, twilight times, and light phases for photography

Calculate exposure time for star trail rotation

Calculate max exposure to prevent star trailing (NPF Rule)

Calculate interval, clip length, and memory for time lapse

Calculate when your camera becomes diffraction-limited

Calculate effective aperture and diffraction in macro photography