Aspect Ratio Calculator
Calculate aspect ratios and scale dimensions proportionally online. Free aspect ratio calculator for images, video, and screen sizes.
Tip: Click the lock icon to maintain the aspect ratio while adjusting dimensions. The CSS padding ratio can be used for responsive containers withpadding-bottom: 56.25%.
About Aspect Ratio Calculator
Calculate and convert aspect ratios for images and videos. Find the simplified ratio, decimal value, and CSS padding percentage for responsive design.
How to Use Aspect Ratio Calculator
Enter your values
Open Aspect Ratio Calculator and enter the values you want to calculate or convert.
Select units or options
Choose the input and output units, formats, or calculation parameters.
View results instantly
Results are calculated in real-time as you type — no submit button needed.
Copy or use the result
Copy the calculated result or use it directly in your work.
Frequently Asked Questions
Related Tools
Date Calculator
Calculate date differences and add or subtract days, months, and years online. Free date calculator with weekday and holiday support.
Percentage Calculator
Calculate percentages online with increase, decrease, and ratio modes. Free percentage calculator for discounts, tips, and math.
Factorial Calculator
Calculate the factorial of any number online with support for large values. Free factorial calculator for math and combinatorics work.
Sales Tax Calculator
Calculate sales tax amounts and total prices online. Free sales tax calculator with pre-tax and post-tax price breakdown support.
Age Calculator
Calculate your exact age from birthdate in years, months, and days online. Free age calculator with upcoming birthday countdown.
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin online. Free temperature converter with instant results and conversion formulas.