What is the Aspect Ratio Calculator?
The Aspect Ratio Calculator is a crucial tool for graphic designers, video editors, and web developers. It allows you to scale images and videos perfectly while maintaining their original proportions, preventing your media from becoming stretched or distorted.
How to Calculate Aspect Ratios (Formulas)
Aspect ratios are expressed as two numbers separated by a colon (e.g., 16:9), representing the relationship between width and height.
- To find New Height: New Height = (Original Height / Original Width) * New Width.
- To find New Width: New Width = (Original Width / Original Height) * New Height.
Frequently Asked Questions
What is the standard aspect ratio for video?
The modern widescreen standard for high-definition (HD), 4K, and 8K monitors and televisions is 16:9. Traditional standard-definition (SD) tube televisions used a 4:3 aspect ratio.
What aspect ratio should I use for Instagram and TikTok?
For vertical video platforms like TikTok, Instagram Reels, and YouTube Shorts, you must invert the widescreen ratio to 9:16 (typically 1080 pixels wide by 1920 pixels tall). For standard Instagram grid photos, a 1:1 (square) or 4:5 (portrait) ratio is ideal.
Why do movies have black bars on my 16:9 TV?
Most cinematic films are shot in an ultra-wide aspect ratio like 2.35:1 or 2.39:1. Because your television is 16:9 (which translates to 1.78:1), it must add black 'letterbox' bars to the top and bottom to fit the wider image onto your screen without cropping it.