Pinch - Tile&Floor Calculator

Calculate tile, wallpaper & flooring quantities from room dimensions instantly.

The material calculator you pull out on-site

Stop scribbling calculations on notepads, converting units in your head, and forgetting to add waste — Pinch handles it all instantly.
Built for interior contractors and DIY renovators, Pinch calculates exactly how much material you need the moment you enter your dimensions.

🟠 Tile Calculator
Enter room dimensions and select your tile size.
Get accurate tile count and box quantity with grout thickness and waste rate factored in.
10 size presets from 150×150 to 1200×1200, plus custom input.

🟠 Wallpaper Calculator
Enter room size and ceiling height to get the exact number of rolls needed.
Subtract door and window openings automatically.
Pattern repeat support for accurate results with patterned wallpaper.

🟠 Flooring Calculator
Enter room dimensions and floor roll width to calculate the exact purchase length.
Waste rate built in for precise ordering.

✅ Who needs this
Tile, flooring, and wallpaper contractors who need instant on-site estimates
DIY renovators wondering "how many rolls do I need?"
Anyone tired of converting between units manually
Professionals who need to share quotes with clients on the spot

✅ Key features
All-in-one — tile, wallpaper, and flooring in a single app
Dual unit display — results shown in both m² and pyeong (Korean unit)
Adjustable waste rate — easy slider, default 10%
Calculation history — review past jobs anytime
Native sharing — send results via any messaging app instantly
Korean / English support
Metric / Imperial unit switching

✅ Free to use
All calculations run on-device.