Calculate the aspect ratio from width and height dimensions. Find the simplified W:H ratio for images, videos, and screens.
Calculate the area and perimeter of a rectangle from length and width. Simple geometry for construction, design, and planning.
Calculate Body Surface Area using the Mosteller formula. Enter height and weight for medical and fitness BSA measurements.
Calculate the area of a triangle given base and height using the formula 0.5 × base × height.
Find the ISO week number for any date. Also shows the day of the week and the current week of the year.
Computes revenue per mille (RPM) — the earnings creators and publishers make per 1,000 views or impressions. Includes platform presets for YouTube, Twitch, Facebook, Instagram, TikTok, Twitter, and LinkedIn with average rates, plus CPM calculation for advertisers.
Aspect Ratio Calculator lets you calculate the aspect ratio from width and height dimensions. Find the simplified W:H ratio for images, videos, and screens.. Everything runs inside your browser — nothing is uploaded to a server. It works on any device with a modern web browser.
Calculate the aspect ratio from width and height dimensions. Find the simplified W:H ratio for images, videos, and screens. It's ideal for developers, designers, and anyone who needs to calculate the aspect ratio from width and height dimensions without installing software or sending data to external servers.
Direct text entry, file upload, or URL-based input — depending on the tool. All numeric values are entered through input fields with real-time updates.
Yes. After the initial page load, Aspect Ratio Calculator runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free. No credit card or registration is required for standard usage.
All processing happens 100% locally in your browser. Your data is never uploaded to any server.
Yes. Once the page has loaded, the tool runs entirely offline without requiring an internet connection.
Standard tools are unlimited. Pro tools allow free daily usage with an option to upgrade.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
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