1200x628 aspect ratio: 300:157, about 1.91:1 (0.043% off)
1200 × 628 reduces to 300:157. The greatest common divisor of 1200 and 628 is 4, so 1200 ÷ 4 = 300 and 628 ÷ 4 = 157. That is 0.043% off 1.91:1. The nearest exact 1.91:1 sizes are 1146 × 600 and 1337 × 700.
Published · Updated · Sources last verified
At a glance
300:157
1200 × 628 is about 1.91:1, 0.043% off.
- Decimal
- 1.911:1
- Nearest named ratio
- 1.91:1, 0.043% off
- Orientation
- Landscape
- Pixels
- 753,600
- Megapixels
- 0.75
- Greatest common divisor
- 4
How 1200 × 628 reduces
- 1200 = 1 × 628 + 572
- 628 = 1 × 572 + 56
- 572 = 10 × 56 + 12
- 56 = 4 × 12 + 8
- 12 = 1 × 8 + 4
- 8 = 2 × 4 + 0
The last divisor, 4, is the greatest common divisor, so 1200 × 628 reduces to 300:157. The method by hand is on the calculator page.
Crop or pad 1200 × 628 to common ratios
| Target | Centered crop | Share kept | Pad canvas |
|---|---|---|---|
| 16:9 | 1116 × 628 | 93% | 1200 × 675 |
| 9:16 | 353 × 628 | 29.4% | 1200 × 2133 |
| 4:5 | 502 × 628 | 41.8% | 1200 × 1500 |
| 1:1 | 628 × 628 | 52.3% | 1200 × 1200 |
| 4:3 | 837 × 628 | 69.8% | 1200 × 900 |
| 1.91:1 | 1199 × 628 | 99.9% | 1337 × 700 |
How far 1200 × 628 is from 1.91:1
1200 × 628 is 0.043% off 1.91:1. The largest exact 1.91:1 size inside it is 1146 × 600, 54 px narrower and 28 px shorter. The smallest exact 1.91:1 canvas around it is 1337 × 700, 137 px wider and 72 px taller.
Whole-pixel downscales
| Divide by | Size | Whole pixels | Nearest whole size |
|---|---|---|---|
| ÷2 | 600 × 314 | yes | same |
| ÷3 | 400 × 209.33 | no | 400 × 209, 0.16% off 300:157 |
| ÷4 | 300 × 157 | yes | same |
| ÷5 | 240 × 125.60 | no | 240 × 126, 0.32% off 300:157 |
| ÷6 | 200 × 104.67 | no | 200 × 105, 0.32% off 300:157 |
| ÷8 | 150 × 78.50 | no | 150 × 79, 0.63% off 300:157 |
| ÷10 | 120 × 62.80 | no | 120 × 63, 0.32% off 300:157 |
Nearest listed ratios
| Size | Reduced ratio | Decimal | Difference from 1200 × 628 |
|---|---|---|---|
| 1200 × 628this page's size | 300:157 | 1.911:1 | - |
| 4096 × 2160 | 256:135 | 1.896:1 | 0.76% |
| 1366 × 768 | 683:384 | 1.779:1 | 6.92% |
| 1920 × 1080 | 16:9 | 1.778:1 | 6.96% |
Facts about 1200 × 628
- 1200 × 628 is not exactly 1.91:1: 300:157 is 1.911, against 1.91 for 1.91:1, 0.043% apart.
- 1200 × 628 divides into whole pixels by 2 and 4; ÷3 gives 400 × 209.33, which is not whole pixels.
- Turned on its side, 1200 × 628 becomes 628 × 1200 (157:300).
- Cropped to 9:16, 1200 × 628 keeps 29.4% (353 × 628); cropped to 16:9 it keeps 93% (1116 × 628).
- 1200 × 628 is 753,600 pixels (0.75 MP), 0.36 times the pixel count of 1920 × 1080.
Sourced notes
LinkedIn recommends 1200 × 628 for landscape single image ads. Meta's ads guide writes the widest Instagram feed image ratio as 191 × 100, which is 1.91:1.
Source: LinkedIn Help: single image ad specifications; Meta Ads Guide: Instagram Feed image ads. Last verified 2026-10-05.
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Aspect ratio 300:157 (1.911:1). Nearest named ratio 1.91:1, 0.043% off.
Aspect ratio
300:157
1.911:1
Nearest named ratio: 1.91:1 (1.91).
Not exactly 1.91:1: 0.043% off. The nearest exact 1.91:1 sizes are 1146 × 600 and 1337 × 700.
300:157 is the true reduced ratio. Sizes like this are usually described by their decimal or by the nearest named ratio.
- Width ÷ height
- 1.9108
- Height ÷ width
- 0.5233
- Shape
- landscape
Your numbers, worked
gcd(1200, 628) = 4
1200 ÷ 4 = 300
628 ÷ 4 = 157
1200 ÷ 628 = 1.9108
Show how the gcd was found
- 1200 = 1 × 628 + 572
- 628 = 1 × 572 + 56
- 572 = 10 × 56 + 12
- 56 = 4 × 12 + 8
- 12 = 1 × 8 + 4
- 8 = 2 × 4 + 0
Divide the larger side by the smaller, then divide the last divisor by the remainder until the remainder is 0. The last divisor is the gcd.
What each ratio would cut from 1200 × 628
The largest centred crop at each ratio, best fit first. Crop rather than stretch.
| Ratio | Fit | Crop to | Lost |
|---|---|---|---|
| 1.91:1 | Within 1% (0.043%) | 1199 × 628 | 0.083% |
| 2:1 | Trim height | 1200 × 600 | 4.46% |
| 16:9 | Trim width | 1116 × 628 | 7% |
| 16:10 | Trim width | 1005 × 628 | 16.2% |
| 21:9 | Trim height | 1200 × 514 | 18.2% |
| 3:2 | Trim width | 942 × 628 | 21.5% |
| 4:3 | Trim width | 837 × 628 | 30.3% |
| 5:4 | Trim width | 785 × 628 | 34.6% |
| 32:9 | Trim height | 1200 × 338 | 46.2% |
| 1:1 | Trim width | 628 × 628 | 47.7% |
| 4:5 | Trim width | 502 × 628 | 58.2% |
| 3:4 | Trim width | 471 × 628 | 60.7% |
| 2:3 | Trim width | 419 × 628 | 65.1% |
| 9:16 | Trim width | 353 × 628 | 70.6% |
Solve the missing side
Pick a ratio, then enter the side you know.
Height is 628. Size 1200 by 628 pixels.
Size at 300:157
1200 × 628
Height solved, in pixels.
Your numbers, worked
H = W × 157 ÷ 300 = 1200 × 157 ÷ 300 = 628
Whole number, so no rounding is needed.
Pixel-exact: a 300:157 size needs the width to be a multiple of 300, and 1200 is 4 × 300.
Questions
What aspect ratio is 1200x628?
1200 × 628 is 300:157 (1.911:1). Dividing both sides by their greatest common divisor, 4, gives 300 and 157. The nearest named ratio is 1.91:1, 0.043% away, so it is close to 1.91:1 but not exactly it.
Is 1200x628 exactly 1.91:1?
No. 1200 ÷ 628 = 1.9108, against 1.91 for 1.91:1, 0.043% apart. The largest exact 1.91:1 size inside it is 1146 × 600; the smallest exact 1.91:1 canvas around it is 1337 × 700.
What is 1200x628 cropped to 9:16?
A centered 9:16 crop of 1200 × 628 is 353 × 628, which keeps 29.4% of the image. Padding it to 9:16 instead gives a 1200 × 2133 canvas with 1,505 px of bars. That canvas is rounded, not exactly 9:16: the exact padded side would be 2133.33 px tall. The smallest exact 9:16 canvas around it is 1206 × 2144.
Nearby sizes
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Apart from the sourced notes above, which devices use this size, and marketing names for it, are not covered: we did not verify a primary source for them, so this page sticks to arithmetic.