Skip to main content
Calkulon

learn.howToCalculate

learn.whatIsHeading

A rectangle is a quadrilateral with four right angles. Opposite sides are equal and parallel. The square is a special rectangle where all four sides are equal.

Steg-för-steg-guide

  1. 1Area = length × width
  2. 2Perimeter = 2 × (length + width)
  3. 3Diagonal = √(length² + width²)

Lösta exempel

Ingång
w=8, h=5
Resultat
A=40, P=26, d=9.43
d=√(64+25)=√89
Ingång
w=12, h=9
Resultat
A=108, P=42, d=15
3-4-5 triple scaled ×3

Redo att beräkna? Prova den kostnadsfria Rectangle-kalkylatorn

Prova själv →

Inställningar

IntegritetVillkorOm© 2026 Calkulon