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

Height Pixels (px)

Required integer input.

Width To Height Ratio

Required number input.

Rounded integer pixel width required for a given height and positive width-to-height aspect ratio. 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]

Width Pixels (px)

The resulting width pixels returned as a number.

• Aspect-ratio and anamorphic calculations depend on whether dimensions describe source pixels, pixel aspect ratio, active image, container, projection aperture, or final crop. Delivery specifications may require padding or protected composition.
• 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.

• Aspect Ratio From Resolution

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

• Aspect Ratio Calculation

  Unreduced width-to-height aspect ratio for an image or screen measured in matching units.

• Pixel Count Total

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