Kite Calculator
Find the area and perimeter of a kite from its two diagonals and side pairs.
Inputs
units
units
units
units
Area
40.0000sq units
Perimeter
24.0000units
Step by step
Area from diagonals
A = (10 × 8) / 2
= 40
Perimeter
P = 2(5 + 7)
= 24
How it works
A kite has two pairs of adjacent equal sides and perpendicular diagonals. Its area is half the product of the diagonals.
Formulas
Area
A = (d₁ × d₂) / 2
- d₁
- Longer diagonal
- d₂
- Shorter diagonal
Perimeter
P = 2(a + b)
- a
- Shorter side pair
- b
- Longer side pair
Frequently Asked Questions
Is a rhombus a special kite?
Yes — a rhombus is a kite where both pairs of adjacent sides are equal (all four sides equal).
Are the diagonals of a kite always perpendicular?
Yes — the diagonals of a kite always intersect at right angles.