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Rhombus Calculator

Enter the two diagonals to calculate area and derive the side length and perimeter.

Area = 40A = d₁d₂ / 2
6.403124Side length
25.612497Perimeter

How to use this Rhombus Calculator

Calculate rhombus area, side length, and perimeter from its diagonals. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.