An essential tool for home improvement projects. Quickly calculate the area of any room or space in square feet, metres, or yards, and estimate material costs for flooring, painting, and more.
120.00
Square Feet (sq ft)
11.15
Square Metres (m²)
13.33
Square Yards (sq yd)
Estimated Cost
£300.00
Calculating the square footage of a space is a fundamental step for many home improvement and construction projects. Whether you are planning to install new flooring, paint a room, or lay turf in your garden, an accurate area measurement ensures you purchase the correct amount of materials, budget effectively, and avoid waste. This Calculator Site tool is designed to simplify the process for various common shapes.
The method for calculating area varies by shape. For a rectangle, it is length times width. For a circle, it is π (pi) times the radius squared. More complex spaces, like L-shaped rooms, can be calculated by breaking them into smaller rectangles, calculating each area, and adding them together. For other needs, you might find our percentage calculator useful.
Pro Tip: Always Account for Waste
It is a standard practice to add a waste factor to your material purchase. For flooring like tiles or laminate, a 10-15% overage is recommended to account for cuts, mistakes, and future repairs. For paint, 5-10% extra is usually sufficient. This small buffer can save you from a last-minute trip to the store.
Beyond area, estimating material cost is a crucial next step. Our calculator includes a cost estimator that multiplies your total square footage by the price you provide. This is useful for materials sold by area, such as carpet, tiles, and wood flooring. Explore our Flooring Calculator for more detailed estimates.
10-15%
Flooring Waste Overage
5-10%
Paint Waste Overage
9 sq ft
in 1 Square Yard
How to use this Calculator Site tool
Select the shape of your area, choose your measurement unit (feet or metres), and enter the required dimensions. The calculator will instantly provide the total area in square feet, square metres, and square yards. You can also enter a cost per square foot to get an estimated material cost for your project. For specific tasks, try the Paint Calculator.
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