Area of a Square Calculator
⬛ Area & perimeter (2D). Use the Area of a square formula to find area, side: pick the value you want, type the others, and the answer updates as you go.
Area25 cm²
Pick the ○ next to the value you want to find, fill in the others, and it solves as you type.
What each letter means
| Quantity | Unit |
|---|---|
| Area | cm² |
| Side | cm |
Worked example
Find the area when Side = 5 cm.
Using A = s²: Area = 25 cm².
Frequently asked questions
What is the formula for Area of a square?
A = s².
What do the letters stand for, and what units are used?
Area in cm², Side in cm.
How do you calculate area?
Put the values into A = s². For example, with Side = 5 cm, area = 25 cm².
Can I solve for a different value?
Yes. In the calculator above, pick the circle next to any value (area, side) and fill in the others: it rearranges the formula for you.
