memegenResolution Calculator
Enter a width and height to instantly see the total pixel count, megapixels, and simplified aspect ratio, then scale the dimensions by any percentage. A quick reference for sizing images, comparing camera resolutions, or planning a render — all computed on this page, nothing uploaded.
Updated June 2026
- Megapixels
- 2.07 MP
- Total pixels
- 2,073,600
- Aspect ratio
- 16 : 9
Scaled size: 960×540px (0.52 MP)
Resolution, megapixels, and aspect ratio
Resolution is simply the width and height of an image in pixels. Multiply them and you get the total pixel count; divide that by one million and you get megapixels (MP) — the figure cameras advertise. A 4000×3000 photo, for instance, is 12,000,000 pixels, or 12 MP.
Aspect ratio is the simplified proportion of those two dimensions. This calculator reports all three at once so you can size an image precisely and confirm it matches the shape you need.
Common resolutions
Reference points for screens, video, and photography:
| Name | Resolution | Megapixels |
|---|---|---|
| HD (720p) | 1280 × 720 | 0.92 MP |
| Full HD (1080p) | 1920 × 1080 | 2.07 MP |
| 2K / QHD | 2560 × 1440 | 3.69 MP |
| 4K UHD | 3840 × 2160 | 8.29 MP |
| 8K UHD | 7680 × 4320 | 33.18 MP |
Frequently asked questions
How do I calculate megapixels from resolution?
Multiply the width by the height to get the total pixel count, then divide by 1,000,000. For example, 4000 × 3000 = 12,000,000 pixels = 12 megapixels. The calculator does this for you as you type.
What's the difference between resolution and aspect ratio?
Resolution is the exact pixel dimensions (like 1920×1080), while aspect ratio is the simplified shape (16:9). Many different resolutions can share the same aspect ratio.
How do I scale a resolution up or down?
Use the scale slider — set a percentage and the calculator shows the resized width and height. For example, scaling 1920×1080 to 50% gives 960×540 while keeping the same aspect ratio.
Do more megapixels always mean a better image?
Not necessarily. Megapixels measure how many pixels there are, not how good they look — lens quality, sensor size, and compression all matter. More megapixels mainly help when you need to crop heavily or print large.
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