Video Resolution & Aspect Ratio (16:9, 9:16, 4:5) Calculator
Calculate proportional width/height dimensions, total megapixels, and simplified aspect ratio for video and social graphics.
Reviewed by: Devon Brooks • Digital Media Monetization & Search Engineering
Methodology: Verified Formula
Presets:
Simplified Aspect Ratio
16:9 (1.78:1)
Total Pixel Count
2,073,600 px (2.07 MP)
9:16 Vertical Equivalent
1920 × 3413 px
Landscape / Widescreen orientation.
Scenario Comparison & Benchmark Table (Video Aspect Ratio)
Compare how scaling Width in Pixels (px) affects your output (click any row to load those values into the calculator above):
| Width in Pixels (px) | Simplified Aspect Ratio | Total Pixel Count | 9:16 Vertical Equivalent |
|---|---|---|---|
| 960 | 8:9 (0.89:1) | 1,036,800 px (1.04 MP) | 960 × 1707 px |
| 1,440 | 4:3 (1.33:1) | 1,555,200 px (1.56 MP) | 1440 × 2560 px |
| 1,920 (Baseline) | 16:9 (1.78:1) | 2,073,600 px (2.07 MP) | 1920 × 3413 px |
| 2,400 | 20:9 (2.22:1) | 2,592,000 px (2.59 MP) | 2400 × 4267 px |
| 2,880 | 8:3 (2.67:1) | 3,110,400 px (3.11 MP) | 2880 × 5120 px |
| 3,840 | 32:9 (3.56:1) | 4,147,200 px (4.15 MP) | 3840 × 6827 px |
Mathematical Formula & Step-by-Step Guide
Primary mathematical equation used by this model:
Aspect Ratio = Width / GCD(W,H) : Height / GCD(W,H); Total Pixels = Width × Height
- Configure your primary input (Width in Pixels (px), baseline set to 1,920) using either the direct numeric box or synchronized range slider.
- Adjust the remaining parameters (Height in Pixels (px)) to mirror your exact scenario.
- Examine the primary output alongside the secondary breakdown metrics and the 6-tier benchmark comparison table below.
Primary Standards & References: Google Analytics 4 (GA4) UTM Specification, YouTube Partner Program RPM Benchmarks, TikTok Creator Rewards Documentation & W3C/Google Search Central SERP Guidelines
Creator payout and RPM calculations reflect industry benchmark ranges; actual ad revenue varies by audience geography, season (Q1 vs Q4), and niche advertiser demand.
Creator payout and RPM calculations reflect industry benchmark ranges; actual ad revenue varies by audience geography, season (Q1 vs Q4), and niche advertiser demand.
Frequently Asked Questions — Video Aspect Ratio
What mathematical formula does the Video Resolution & Aspect Ratio (16:9, 9:16, 4:5) Calculator use?
This calculator implements the verified relationship: Aspect Ratio = Width / GCD(W,H) : Height / GCD(W,H); Total Pixels = Width × Height. Each variable (Width in Pixels (px), Height in Pixels (px)) is evaluated in real time using double-precision floating-point arithmetic so there is zero rounding drift across multi-step scenarios.
How does changing Width in Pixels (px) impact the final result?
Width in Pixels (px) acts as the primary driver in this model (default baseline: 1,920). Use the Reference Benchmark Table on this page to compare how scaling Width in Pixels (px) from conservative to aggressive levels changes both the primary outcome and secondary ratios.
What standards and sources back this Video Aspect Ratio methodology?
Our model is audited by Devon Brooks • Digital Media Monetization & Search Engineering and calibrated against Google Analytics 4 (GA4) UTM Specification, YouTube Partner Program RPM Benchmarks, TikTok Creator Rewards Documentation & W3C/Google Search Central SERP Guidelines. Note: Creator payout and RPM calculations reflect industry benchmark ranges; actual ad revenue varies by audience geography, season (Q1 vs Q4), and niche advertiser demand.