Engine displacement is the total volume swept by all pistons in an engine — a key spec for comparing engine size and performance. Enter your bore, stroke, and cylinder count to calculate it. CONSTRUCTION & HOME · CALCULATOR Engine Displacement Calculator Measurement Unit Millimeters (mm) Inches (in) Bore (cylinder diameter) Stroke (piston travel distance) Number of Cylinders Calculate Displacement Per Cylinder 0 cc Total Displacement 0 cc How to Use the Engine Displacement Calculator Select your measurement unit (millimeters or inches). Enter the bore (cylinder diameter) and stroke (piston travel distance) — found in your engine specs or manual. Enter t...
Whether you're finding the aspect ratio of an existing image or resizing to fit a new ratio, this calculator handles both — no image upload needed, just your dimensions.
CONVERSIONS & MISC · CALCULATOR
Image Aspect Ratio Calculator
Simplified Ratio
0:0
Decimal Ratio
0.00
How to Use the Image Aspect Ratio Calculator
- Enter your image's current width and height in pixels.
- If you just want the ratio, select "Find the Ratio of My Image" and click Calculate.
- If you're resizing, select "Resize to a New Width or Height," enter either your target width OR target height (not both), and click Calculate — the other dimension will scale proportionally.
How the Image Ratio Is Calculated
This calculator finds the greatest common divisor (GCD) of your width and height, then divides both by it to get the simplest whole-number ratio (like 16:9 or 4:3):
Ratio = Width ÷ GCD(Width, Height) : Height ÷ GCD(Width, Height)
For resizing, it keeps the same decimal ratio (width ÷ height) and solves for the missing dimension, so your image scales without distortion.
Frequently Asked Questions
What's the difference between "image ratio" and "aspect ratio"?
They mean the same thing — the proportional relationship between an image's width and height, commonly expressed as X:Y (like 16:9 or 1:1).
Why did my resized image come out slightly different than expected?
Pixel dimensions must be whole numbers, so results are rounded to the nearest pixel. For most use cases this rounding is negligible.
Does this crop or resize my actual image file?
No — this calculator only computes the numbers. You'll still need image editing software (or your CMS/platform's built-in tools) to actually resize or crop the file using these dimensions.
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Disclaimer: This calculator provides general mathematical conversions only and does not process or store any uploaded images.
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