Rectangle Area Calculator
Compute the area of a rectangle from length and width.
Input Data
L
W
Results
Area = l·w.
40
Explanatory note about the result.
A = l×w = 8×5 = 40;周長 P = 2(l+w) = 26。
At a glance:Area = l·w. Complements perimeter and square-number.
Formula
A = l · w.
How to Use
- Enter length and width.
- The tool returns the area.
Case Studies
l=5, w=3
15.
FAQ
Area vs perimeter?
Area is l·w; perimeter is 2(l+w).
Related Tools
References
Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.