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09 · CATEGORY TOOLS
Area, materials, quantities, and heating/cooling.
CATEGORY TOOLS
10Convert square meters and pyeong, then calculate price per square meter and per pyeong from gross or exclusive area.
Calculate building coverage and floor area ratio, then reverse-calculate possible areas from target ratios.
Calculate floor, wall, ceiling, and total construction area from room dimensions and openings.
Calculate paint volume, containers, and wallpaper rolls from area, coats, coverage, usable roll area, and waste.
Calculate flooring units, boxes, waste-adjusted quantity, and estimated cost from floor area and product specifications.
Calculate required sheet counts, offcut area, and estimated cost from material size and layout direction.
Calculate brick or block quantity and recommended purchase count from wall size, material size, mortar joint, and waste rate.
Calculate concrete volume in m³ from length, width, and thickness, add an allowance, and estimate reference deliveries from your own per-delivery volume.
Calculate actual sloped roof area and material reference area from horizontal width, length, slope, and allowance.
Calculate stair riser and tread dimensions, horizontal run, sloped length, slope percentage, and slope angle.
HOW TO USE
Select the tool that provides the function you need.
Follow the input and settings shown on the tool page.
Check the result and notes before saving or moving to the next task.
CATEGORY GUIDE
Compare the tools for your task on one clear page.
Open each tool without complicated setup or registration.
Whenever possible, work stays in your browser and each tool explains how it is handled.
CATEGORY FAQ
This page collects the currently available tools related to Real Estate & Build, and each one can be opened directly.
The basic tools currently provided are free to use.
Yes. You can open each tool directly without registration.
Yes. The pages adapt to phones and tablets.