Calculate width, height, and area from diagonal screen size and aspect ratio. Everything runs locally in your browser — nothing is uploaded.
Calculate the aspect ratio from width and height dimensions. Find the simplified W:H ratio for images, videos, and screens. Everything runs locally in your browser — nothing is uploaded.
Calculate pixels per inch from diagonal resolution and screen size. Determine screen sharpness and pixel density. Everything runs locally in your browser — nothing is uploaded.
Calculate the area of a triangle given base and height using the formula 0.5 × base × height. Everything runs locally in your browser — nothing is uploaded.
Calculate Body Surface Area using the Mosteller formula. Enter height and weight for medical and fitness BSA measurements. Everything runs locally in your browser — nothing is uploaded.
Resize animated GIFs to exact dimensions while preserving animation. Choose from presets or custom width with aspect ratio lock.
Screen Size Calculator lets you calculate width, height, and area from diagonal screen size and aspect ratio. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Yes. After the initial page load, Screen Size Calculator runs entirely on your device with no internet connection needed. All processing is done locally.
All calculators use standard mathematical formulas with high precision. Results are rounded per the calculator's conventions.
Yes for general calculations, but verify critical results independently.
No. All calculations happen in your browser — no data is stored on any server.
Aspect Ratio Calculator
Calculate the aspect ratio from width and height dimensions. Find the simplified W:H ratio for images, videos, and screens. Everything runs locally in your browser — nothing is uploaded.
PPI Calculator
Calculate pixels per inch from diagonal resolution and screen size. Determine screen sharpness and pixel density. Everything runs locally in your browser — nothing is uploaded.