Image Resize Calculator
Calculate new dimensions while maintaining aspect ratio
Resize Dimensions
→
32%
Scale
3:2
Aspect Ratio
2.5 MP
New Resolution
Quick Resize Presets
Scale by Percentage
%
Resizing Guidelines
Web Optimization
1920px width is enough for full-screen on most monitors. For thumbnails, 300-640px is typical. Smaller images load faster and save bandwidth.
Social Media Sizes
Instagram: 1080×1080 (square), 1080×1350 (portrait). Facebook: 1200×630. Twitter: 1200×675. Pinterest: 1000×1500.
Quality Considerations
Downscaling (reducing size) is safe and often improves perceived sharpness. Upscaling (enlarging) can cause blur and artifacts – avoid upscaling beyond 150%.