Is there a file size limit?

No practical limit for most operations.

Results are generated using standard algorithms for maximum accuracy.

free

Paint Calculator — free

Calculate how much paint you need for a room.

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Calculate how much paint you need for a room.

Coming soon — full implementation in progress

Type, paste, or upload your content.

Result appears instantly in your browser.

Copy the result or download your file.

Calculate how much flooring material you need.

Calculate how many wallpaper rolls you need for a room.

Calculate electricity cost based on watts and hours.