Area Calculator

Calculate areas of various geometric shapes including squares, rectangles, triangles, and circles.

Side Length

Square Area

square units

Formula: side × side = 5 × 5 = 25

Convert to:

Length

Width

square units

Formula: length × width = 6 × 4 = 24

Convert to:

Base

Height

17.5

square units

Formula: (base × height) ÷ 2 = (5 × 7) ÷ 2 = 17.5

Convert to:

Radius

28.27

square units

Formula: π × radius² = π × 3² ≈ 28.27

Convert to:

Base 1

Base 2

Height

square units

Formula: (base1 + base2) ÷ 2 × height = (5 + 7) ÷ 2 × 4 = 24

Convert to:

Remember that area is always expressed in square units (e.g., square meters, square feet). For circles, π (pi) is approximately 3.14159.