Area Calculator
Pick a shape, enter its dimensions, and get the area in square meters, square feet and more — useful for flooring, painting, gardening and construction.
Area
15 m²
Square feet
161.46 ft²
Square centimeters
150,000 cm²
Hectares
0.0015
Acres
0.003707
How this was worked out
- Step 1A = a × b = 5 × 3
Formula
Rectangle: a × b • Triangle: (base × height) ÷ 2 • Circle: πr² • Trapezoid: ((a + c) ÷ 2) × height
Example
Input
Rectangle 5 m × 3 m
Result
15 m²
Frequently asked questions
For a rectangular room, multiply the length by the width. For an L-shaped room, split it into rectangles and add the areas.
1 m² = 10.7639 ft². The calculator converts for you.
Split it into the regular shapes listed here, calculate each part and add them together.
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