Aspect Ratio Table: Aspect ratio (width ÷ height) by Width
Reference table of aspect ratio (width ÷ height) for Aspect Ratio across a range of width values — exact, engine-computed figures you can read off at a glance.
Aspect Ratio Calculator
Verified formula Updated Jun 2026 Private — runs on your device
Verified formula
Private
Aspect ratio (width ÷ height)
1.7778
- Ratio as X : 1
- 1.78
For general information only — not financial, tax, legal or medical advice. Verify before you rely on it.
How to use the Aspect Ratio Calculator
The Aspect Ratio Calculator works out your aspect ratio (width ÷ height), along with 1 related figure in an instant. Enter width and height and the result updates as you type — it is free, needs no sign-up, and runs entirely in your browser so your figures stay private.
- Enter the width.
- Enter the height.
- Read off your aspect ratio (width ÷ height), together with ratio as x : 1 — the calculator updates automatically, with no button to press.
Formula
The Aspect Ratio Calculator uses the formula:
Aspect ratio (width ÷ height) = Width ÷ Height
Worked example
For example, with width of 1,920 and height of 1,080, the aspect ratio (width ÷ height) is 1.7778.
| Width | 1,920 |
|---|---|
| Height | 1,080 |
| Aspect ratio (width ÷ height) | 1.7778 |
|---|---|
| Ratio as X : 1 | 1.78 |
Results are estimates for educational use, not professional advice.
Key terms explained
- Ratio
- A comparison of two quantities showing how many times one contains the other.
Frequently asked questions
It is the proportional relationship between width and height. 1920 × 1080 has a ratio of about 1.78, which is the familiar 16:9.
It tells you how many units of width there are per unit of height. A ratio of 1.78 means the width is 1.78 times the height.
16:9 (1.78) for most screens, 4:3 (1.33) for older displays, and 21:9 (2.33) for ultrawide monitors and cinema.
Multiply the new width by the height-to-width fraction, or keep width ÷ height constant, so the image does not stretch.
The Aspect Ratio Calculator uses the formula: Aspect ratio (width ÷ height) = Width ÷ Height. For example, with width of 1,920 and height of 1,080, the aspect ratio (width ÷ height) is 1.7778.
Related guides
How to Calculate Aspect Ratio: Formula, Steps & Examples
Learn how to calculate Aspect Ratio — the formula explained step by step, with worked examples and a free calculator to check your answer.