Plot Area from SidesEnter the four sides of a plot and one diagonal, as measured on site. Get the true area from two triangles, the plot drawn to scale, every corner angle, and how far the 'average of opposite sides' shortcut is off.

SheetT-43

MethodTwo triangles · Heron

Unitsm, ft, sq ft, guntha

By@smart_tools_every_week

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Units of the tape

Side AB (front) Side BC

Side CD (rear) Side DA

Diagonal AC Diagonal BD (check, 0 = none)

Land rate per sq ft (optional)

Walk round the plot A → B → C → D. Measure the four sides and the diagonal from A to C. If you also tape B to D, the tool checks how well your measurements close.

True area–

In sq ft–

Average-of-sides–

Shortcut error–

Plot to scale

Working Heron

Checks

Area in every unit

Unit	True area	Average-of-sides	Difference