How this calculator works
A 16:10 display is sixteen units wide for every ten units high. In its lowest terms that is 8:5, and the decimal ratio is 1.6, so the width is always 1.6 times the height. The shape sits between the old 4:3 monitors and today 16:9 screens: taller than a widescreen television, but wider than a square-ish office monitor. Because every standard in the table is exactly 16:10, one known side fixes the other: the height is 10/16 of the width, or five eighths. A monitor sold as 1920 by 1200 has 2.3 million pixels, a little more than the 2.07 million of 1920 by 1080, and the extra pixels are all vertical.
Formula
height = width x 10 / 16. width = height x 16 / 10. The ratio simplifies to 8:5, with a decimal value of 1.6. total pixels = width x height. megapixels = total pixels / 1,000,000.
Worked example
A WUXGA monitor is 1920 by 1200 pixels. From the 1920 width, the height is 1920 x 10 / 16 = 1200. The panel has 2,304,000 pixels, or 2.304 megapixels. A 2560 by 1600 WQXGA panel has 4,096,000 pixels, or 4.096 megapixels. If you need a 16:10 image that is 1680 pixels tall, the width is 1680 x 16 / 10 = 2688 pixels.
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Frequently asked questions
Is 16:10 the same as 8:5?
Yes. Both terms divide by two, so 16:10 and 8:5 describe the same shape. The decimal ratio is 1.6 either way, and the reduced form is 8:5.
Why did laptops move from 16:10 to 16:9?
Widescreen 16:9 panels became cheaper to produce because they share a production line with television panels. The trade-off is less vertical room, so a 16:10 laptop of the same diagonal often shows more lines of text.
Which is larger, 1920 by 1200 or 1920 by 1080?
The 1920 by 1200 panel. Both are 1920 pixels wide, but the 16:10 panel has 120 extra rows, which adds 230,400 pixels and makes the screen about 10.7 percent taller.
Can I use this for a photo crop?
Yes. Choose the target width, read the height, and crop the image to those proportions. Keep the original resolution until the final export so the crop does not soften the picture.