Lot Size and Acreage Calculator
Works out a plot’s area in acres, hectares, square metres and square feet.
Acres
— acres
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Square metres — m²
Square feet — ft²
Hectares — ha
Perimeter —
The formula
area = length × width 1 acre = 4,046.86 m² = 43,560 ft²
For a plot that is not a rectangle, use the irregular plot calculator.
What to watch out for
A legal survey is the only authoritative figure for a boundary.
Frequently Asked Questions
How many square feet are in an acre?
43,560 ft², or 4,046.86 m². A hectare is 2.471 acres.
How big is a 60 × 30 m plot?
1,800 m², which is 0.445 acres.