ConvertOnline

Menu

1. Convert Online
2. Mathematics
3. Geometry
4. Circle Area using Diameter

\(d\)

(diameter)

units

Area

square units

Copy

How to use Circle Area using Diameter Calculator

1. Enter ✎ value for diameter \((d)\).
2. The result appears beneath the inputs as you enter values.

About this calculation

The area of a circle is defined as the area enclosed in the circular shape.

Formula

To calculate the circle area using diameter, you can use the following formula.

Area = \({\ \dfrac{π * d ^2}{4}\ }\)

where

Calculation

{
  "topic": "circle-area-using-diameter",
  "img": {
    "width": 246,
    "height": 246
  },
  "input_types": [
    "float"
  ],
  "input_labels": [
    "d"
  ],
  "input_values": [
    "8"
  ],
  "input_units": [
    "units"
  ],
  "input_descriptions": [
    "diameter"
  ],
  "examples": [
    {
      "r": 6
    },
    {
      "r": 1
    }
  ],
  "type": "Calculate",
  "title": "Circle Area using Diameter",
  "category": "Geometry",
  "shape": "Circle",
  "formula_mathjax": "\\({\\ \\dfrac{π * d ^2}{4}\\ }\\)",
  "formula_mathjax_sub": "\\({\\ \\dfrac{π \\times d ^2}{4}\\ }\\)",
  "formula": "Math.PI * ( d ** 2) / 4",
  "op_label": "Area",
  "output_unit": "square units",
  "description": "The circle area calculator calculates the area of a circle by taking its diameter as input.",
  "explanation": "The area of a circle is defined as the area enclosed in the circular shape."
}