Use this cinematography or projection calculation to plan image geometry, exposure, timing, storage, film footage, or presentation from explicitly stated camera and display parameters.

Scanned Pixels (px)

Required integer input.

Source Width Inches (in)

Required number input.

Effective scan resolution in pixels per inch from output pixel width and source width in inches. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Resolution Dpi (dpi)

The resulting resolution dpi returned as a number.

• Film footage and runtime conversions depend on gauge, perforation format, frames per foot, frame rate, leader, tails, splices, reel capacity, and scanning convention. Actual usable footage and archive condition require inspection.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Confirm critical values with the actual camera, lens, codec, projector, and delivery specification, then run a camera or projection test under representative conditions.

• Print Size From Resolution

  Physical print width in inches from image pixel width and chosen print resolution in dots/pixels per inch.

• Aspect Ratio From Resolution

  Display width-to-height aspect ratio from integer pixel dimensions; does not simplify to a fraction.

• Pixel Count Total

  Total image pixels from integer width and height; rejects products above JavaScript's exact safe-integer range.