Is 1536×2048 the same as 3:4?

Yes — divide both sides by 512 (the GCD) to get 3:4. Use aspect-ratio: 3 / 4 and padding-top 133.33% for the legacy fallback.

How do I keep 1536×2048 from stretching?

Set aspect-ratio: 3 / 4 on the container and use object-fit: cover (crop-fill) or contain (letterbox). Never stretch via width/height alone.

What aspect ratio is 1536×2048?

3:4 (~0.7500:1)

1536×2048 simplifies to 3:4 (GCD 512). In decimal that is ~0.7500:1 — a custom 3:4 frame used for ipad 9.7 portrait 3:4. The calculator below is preloaded to 3:4 so you can solve any partner dimension at the same ratio.

No named calculator page covers this exact ratio, but the solver below handles any ratio — treat it as 3:4 for math.

Ratio W:Ratio H

Width (px)Height (px)

1920 × 2560

Exact ratio: 3:4 · CSS: aspect-ratio: 3 / 4 · padding-top fallback: 133.33%

How the ratio was computed

GCD(1536, 2048) = 512

1536 ÷ 512 = 3 → 2048 ÷ 512 = 4

→ 3:4 (dec. 0.7500:1) · padding-top 133.33%

CSS: aspect-ratio: 3 / 4

All math is local and instantly invertible — swap width and height and the ratio stays the same, just rotated. URL sharing works: ?w=1536&h=2048 style deep-links still resolve via the ratio parameters.

Quick 3:4 partner table

Width	Height (3:4)
640px	853px
1280px	1707px
1920px	2560px
2560px	3413px
3840px	5120px

Other sizes in 3:4

No other catalogued sizes share 3:4 exactly — the table above covers the common computed variants.

Related lookups

← Back to the calculator · FAQ →

Tip: designing for 1536×2048 ipad portrait? Master at 1536×2048 exactly, then export lighter proxies by halving both sides (e.g. 768×1024) — the ratio stays 3:4 and downscales stay sharp.