IG Grid Calculator

Plan multi-photo grid layouts. Crop in Lightroom, assemble in Photoshop.

Canvas preset

Width (px)

Height (px)

Carousel slides (1 = single post; layout spans slides × width)

Background color (gutters / margins / PS background)

Gutter (px)

Margin (px)

Bottom margin (px) (empty = same as margin)

Layout mode

Layout preset

Layout map (one letter per column track, one line per row track)

Col weights (e.g. 1,1,1.5)

Row weights

Photo fit (your photos never leave this browser - no uploads, ever)

Drop photos here or click to choose

Min photos/post

Max photos/post

Label cells in PNG

Cell	Size (px)	Position	Ratio	Decimal	Orientation

Ratio → Lightroom: Crop tool → aspect menu → Enter Custom, then type the two numbers into the width / height fields (either the exact size or the simplified ratio works). The copy button copies the exact WxH as a reference.