Resolution Scale Calculator
Scale image or video resolutions up or down. Calculate new dimensions based on percentage scale or target dimensions while maintaining aspect ratio.
Or enter target width/height below
How to Use This Calculator
- Enter your original image or video resolution (width and height in pixels).
- Enter either a scale percentage (e.g., 50% for half size, 200% for double size) OR a target width OR target height.
- The calculator displays the scaled resolution while maintaining the original aspect ratio.
- Use these dimensions when resizing images or videos to ensure proper proportions.
Scaling Formula
Resolution scaling maintains aspect ratio by applying the same scale factor to both dimensions:
New Width = Original Width × Scale Factor
New Height = Original Height × Scale Factor
Example: Scaling 1920×1080 by 50%: New dimensions = 1920×0.5 × 1080×0.5 = 960×540. The aspect ratio (16:9) remains the same.
Full Description
Scaling images and videos is a common task in photography, videography, and web design. Whether you\'re resizing for web use, preparing thumbnails, or converting between formats, maintaining aspect ratio is crucial to prevent distortion. This calculator helps you determine the correct dimensions when scaling while preserving the original proportions.
Aspect ratio preservation ensures that images don\'t appear stretched or squashed. When you scale by a percentage, both width and height are multiplied by the same factor, maintaining the original shape. This is essential for professional results and prevents visual artifacts that can make content look unprofessional.
Use this calculator to plan image resizing, prepare content for different platforms, or convert between resolution standards. Whether you\'re scaling down for web optimization or scaling up for print, this tool ensures you maintain proper proportions. Remember that upscaling (scaling above 100%) can cause quality loss, so start with high-resolution source images when possible.
Frequently Asked Questions
How do I scale an image while maintaining aspect ratio?
Enter your original dimensions and either a scale percentage or target width/height. The calculator automatically calculates the other dimension to maintain the aspect ratio. This prevents distortion when resizing.
What happens if I scale above 100%?
Scaling above 100% enlarges the image (upscaling). This can cause quality loss and pixelation since you're creating pixels that don't exist. For best results, start with high-resolution source images or use AI upscaling tools.
Can I scale to specific dimensions?
Yes! Enter your original dimensions, then enter either a target width OR target height (leave the other blank). The calculator calculates the missing dimension to maintain aspect ratio.
Why maintain aspect ratio?
Maintaining aspect ratio prevents distortion. If you scale width and height by different amounts, the image will appear stretched or squashed. Keeping the same ratio preserves the original proportions and prevents visual distortion.