Perimeter Calculator Hub

Compute perimeters for common shapes in seconds—rectangles, squares, triangles, circles (circumference), polygons, and more. Ideal for fencing, flooring, framing, landscaping, and coursework.

Perimeter Calculators

Rhombus Perimeter Circle Perimeter Rectangle Perimeter Square Perimeter Semicircle Perimeter Triangle Perimeter Trapezoid Perimeter Parallelogram Perimeter Sector Perimeter Ellipse Perimeter Kite Perimeter Regular Pentagon Perimeter Regular Hexagon Perimeter Regular Octagon Perimeter

Why Use Our Perimeter Calculator Hub?

Skip manual sums and avoid mistakes. This hub organizes shape-specific perimeter calculators—and optional unit helpers—into a clean, scannable grid so you get results fast on mobile, tablet, or desktop.

✅ Covers popular shapes with clear inputs
✅ Helpful notes per tool: formulas, diagrams, and examples
✅ Optional unit helpers if you keep converters alongside shapes
✅ Clean, consistent card UI—easy to scan and tap
✅ Easy to extend—just add to your calculators list