Aspect Ratio Calculator
Calculate, simplify, and scale aspect ratios
Sobre esta ferramenta
Enter a width and height to get the simplified aspect ratio, see equivalent sizes across common resolutions (from 240p to 4K), and scale to any target dimension. A visual rectangle preview updates live to illustrate the ratio. Also includes a quick-pick for common ratios like 16:9, 4:3, 1:1, 21:9, 9:16, and 3:2.
Como usar
- 1 Enter a width and height, or choose a common ratio from the presets.
- 2 The simplified ratio and visual preview update immediately.
- 3 Browse the equivalent sizes table to find standard resolutions for your ratio.
- 4 Enter a target width or height in the Scale section to get the corresponding other dimension.
Perguntas frequentes
Resize and compress images in the browser using Canvas API — by percentage, exact dimensions, or max dimension — with batch processing and ZIP download.
Corte, gire e inverta imagens interativamente no navegador com proporções de aspecto predefinidas.
Calculate PPI, total megapixels, and pixel dimensions for any screen or print.
Converta um valor CSS entre px, rem, em, %, vw, vh, pt, cm, mm e in de uma só vez.