Photography tools

Photo tools

Aspect ratio calculator
Image W x H → aspect ratio

Megapixel calculator
Image W x H → megapixels

Megapixel Aspect Comparison
See megapixel in different aspect ratios

DPI calculator
Print W x H and dpi → megapixels

Composition calculator
Focal length, subject distance, crop factor → image composition

Depth-of-Field calculator
Aperture, focal length, subject distance, crop factor → depth-of-field

Light calculator (EV)
Aperture, shutter time, ISO => Exposure Value