Area Calculator
Rectangle
Four right angles — a room, a plot, a sheet.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the length and width, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
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- Square Inches
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- Square Yards
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- Square Meters
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- Acres
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Check your entries
Changes update automatically.
Triangle
Three sides measured, no angles needed.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the edge 1 and edge 2 and edge 3, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.
Trapezoid
Two parallel sides and the distance between them.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the base 1 and base 2 and height, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.
Circle
Measured from the centre out — the radius, not the diameter.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the radius, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.
Sector
A wedge of a circle, cut by an angle at the centre.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the radius and angle, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.
Ellipse
A stretched circle — half its width and half its height.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the semi-major axes and semi-minor axes, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.
Parallelogram
A slanted rectangle — base times perpendicular height.
Example
This is a sample result, not your calculation. Enter your own values to replace it.
Enter the base and height, then calculate the area.
Your measurements were in different units, so each was converted into the first field's unit before the formula ran.
Show result in other units
- Square Feet
- —
- Square Inches
- —
- Square Yards
- —
- Square Meters
- —
- Acres
- —
Check your entries
Changes update automatically.