Aspect Ratio Calculator
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1920x1080 Aspect Ratio

1920 × 1080 pixels has an aspect ratio of 16:9 (1.7778:1) and is known as Full HD (1080p). It is a landscape size with 2.07 megapixels.

1. Find the aspect ratio

×
16:9
Decimal 1.7778 ·
aspect-ratio: 16 / 9;

2. Resize keeping the ratio

×
WidthHeightSize

1920x1080 at a glance

Simplified ratio16:9
Decimal (width ÷ height)1.7778:1
Written as x:916:9
Closest standard ratioexactly 16:9 (YouTube, HD/4K video)
Megapixels2.07 MP (2,073,600 pixels)
Pixels compared with 1920 × 10801×
OrientationLandscape
CSSaspect-ratio: 16 / 9;
Padding-top trickpadding-top: 56.25%;

What is 1920x1080 used for?

The most widely used screen and video resolution: the standard for 1080p streaming and YouTube, Blu-ray, most TVs, the majority of desktop monitors and laptop screens, video calls and game capture.

Platform formats that use exactly 1920 × 1080: YouTube videos (1080p (recommended)) and Douyin videos (Horizontal)

How the ratio is calculated

Divide both sides by their greatest common divisor (GCD). The GCD of 1920 and 1080 is 120, so 1920 ÷ 120 = 16 and 1080 ÷ 120 = 9, which gives 16:9. In CSS that is aspect-ratio: 16 / 9; with the older padding trick the height is 56.25% of the width.

Same-ratio sizes (16:9)

1920x1080 scaled down and up without changing its shape. Rows marked ≈ are rounded to whole pixels, so they are less than one pixel off.

Size (px)ScaleMegapixels
480 × 27025%0.13
640 × 36033.3%0.23
960 × 54050%0.52
1280 × 72066.7%0.92
1440 × 81075%1.17
1920 × 1080100%2.07
2560 × 1440133.3%3.69
2880 × 1620150%4.67
3840 × 2160200%8.29
5760 × 3240300%18.66
7680 × 4320400%33.18

Other standard 16:9 resolutions

Nearby common sizes

Turned on its side, 1920 × 1080 becomes 1080 × 1920 (9:16), with the same number of pixels.

Frequently asked questions

What is the aspect ratio of 1920x1080?

1920 × 1080 has an aspect ratio of 16:9. The greatest common divisor of 1920 and 1080 is 120; dividing both sides by it gives 16:9. As a decimal that is 1.7778:1.

How many megapixels is 1920x1080?

1920 × 1080 contains 2,073,600 pixels, or 2.07 megapixels. That is the pixel count of Full HD.

Which sizes have the same aspect ratio as 1920x1080?

Exact scaled versions include 480 × 270, 640 × 360, 960 × 540, 1280 × 720, 1440 × 810, 2560 × 1440, 2880 × 1620, 3840 × 2160, 5760 × 3240, and 7680 × 4320. Standard resolutions with the same 16:9 ratio are 1280 × 720, 2560 × 1440, 3840 × 2160, 7680 × 4320, 1536 × 864, and 1600 × 900. Any size of the form 16n × 9n has exactly the same shape.

How do I resize an image to 1920x1080 without distortion?

Crop it to 16:9 first, then scale it to 1920 × 1080. For any width W the matching height is W × 9 ÷ 16. The calculator on this page does the arithmetic: type a new width in box 2 and it fills in the height.

Open the full aspect ratio calculator All common resolutions · All platform sizes