What aspect ratio is 2160×1080?
2:1 (~2.0000:1)
2160×1080 simplifies to 2:1 (GCD 1080). In decimal that is ~2.0000:1 — a standard 2:1 frame used for tall phone displays (2:1). The calculator below is preloaded to 2:1 so you can solve any partner dimension at the same ratio.
→ Open the full 2:1 Aspect Ratio Calculator →
1920 × 960
Exact ratio: 2:1 · CSS: aspect-ratio: 2 / 1 · padding-top fallback: 50.00%
How the ratio was computed
GCD(2160, 1080) = 1080
2160 ÷ 1080 = 2 → 1080 ÷ 1080 = 1
→ 2:1 (dec. 2.0000:1) · padding-top 50.00%
CSS: aspect-ratio: 2 / 1
All math is local and instantly invertible — swap width and height and the ratio stays the same, just rotated. URL sharing works: ?w=2160&h=1080 style deep-links still resolve via the ratio parameters.
Quick 2:1 partner table
| Width | Height (2:1) |
|---|---|
| 640px | 320px |
| 1280px | 640px |
| 1920px | 960px |
| 2560px | 1280px |
| 3840px | 1920px |
Other sizes in 2:1
No other catalogued sizes share 2:1 exactly — the table above covers the common computed variants.
Related lookups
- 1920×1080 — 1920×1080 Full HD
- 1280×720 — 1280×720 HD
- 3840×2160 — 3840×2160 4K UHD
- 2560×1440 — 2560×1440 QHD
- 1366×768 — 1366×768 WXGA
- 3440×1440 — 3440×1440 UW-QHD
← Back to the calculator · FAQ →