Treatment Area Square Footage Calculator

Enter each piece of the yard and house as a simple shape, sum them into one total treatable area, and convert to acres. Separately, turn the house footprint into a foundation perimeter in linear feet and a pre-computed ground-band area at your chosen band width. Area drives broadcast / turf work; perimeter drives barrier work — they are kept apart so you never multiply the wrong number by your label rate.

rectangle  = length × width
triangle   = (base × height) / 2
circle     = π × radius²        (π = 3.14159)

total area = Σ shape areas
acres      = total area / 43,560

perimeter  = 2 × (length + width)   (or your measured perimeter)
band area  = perimeter × band width   (band width clamped to 3–10 ft)

advisory (optional, label governs):
  per 1,000 sq ft → rate × (total area / 1,000)
  per acre        → rate × (total area / 43,560)

Shape formulas and the per-acre arithmetic follow the University of Tennessee Pesticide Safety and Education Program common calculations (1 acre = 43,560 sq ft). The 3-ft-up / 3-ft-out standard band that widens to 10 ft under heavy pressure follows the perimeter-treatment practice. The product-amount readout is a linear scale of your own rate — it does no concentrate, dilution, or volume math and is advisory only.

The square footage you land on here is the input every dosing tool asks for first. For a liquid application the spray coverage calculator turns it into finished gallons and tank loads, and for a granular one the granular insecticide rate calculator returns pounds and whole bags. On seasonal yard work the same measurement also drives the price, which the mosquito and tick treatment pricing calculator builds from area and visit count.