Resize & Crop
Calculate the correct width or height for any aspect ratio.
Aspect ratio
16:9
Decimal: 1.7778
Common presets
Height at this width
720 px
1280 × 720
Use these values in Image Resizer to keep your image proportional.
Image Aspect Ratio Calculator works out the simplified aspect ratio (like 16:9) of any width and height, and calculates a new matching height when you resize. Handy whenever you need proportions to stay identical after a resize.
Video editors setting export sizes, web developers designing responsive images, print designers scaling photos, and photographers matching custom frame ratios.
Deciding whether your source photo will fit a 16:9 video slot, matching a print frame ratio, or computing a Retina @2x asset size without distortion.
This tool is a pure calculator - no image data or personal information is processed.
Because entering the wrong height for a given width will stretch or squish your image. This calculator ensures your resized image keeps its original proportions and looks natural.
No. Every ImageEditPro tool processes your image directly inside your browser using JavaScript and the Canvas API. Files never leave your device, so your photos stay 100% private - even when you're editing sensitive documents or personal photos.
Yes, completely free. No account, no sign-up, no watermark, no daily limit. ImageEditPro is supported by unobtrusive ads so you can use every tool as many times as you need without paying.