Image Tools
Image Resize Calculator
Work out exact output dimensions when scaling by percentage, fixing a width, or fitting inside a box — with the aspect ratio kept intact.
×
Works for landscape and portrait in the same batch — the long side lands on this number either way.
New size
2,048 × 1,365
2.8 MP
Scale
34.13%
of each edge
Pixels kept
11.7%
from 24 MP
Scaling each edge to 34.13% leaves 11.7% of the pixels,
because pixel count falls with the square of the scale. That's usually the biggest lever on
final file size — bigger than the quality slider.