Ant Bait Placement and Rate Calculator

Turn linear feet of trail, a treatment area or a foundation perimeter into ant gel placements, granular pounds and containers to buy, worked off your own label rate.

How this is calculated

Three arms, one idea: the label sets the rate, you supply the measurement, and the tool does the proportion and the rounding up. Nothing averages across arms, because they count different things.

Gel placements
  placements  = ceil( linear_ft / 10 x placements_per_10ft )   (or your count)
  gel_used    = placements x grams_per_placement
  tubes       = ceil( gel_used x (1 + waste) / tube_size )

Granular broadcast
  lb_per_sqft = rate / 43,560        (lb per acre)
              = rate / 1,000         (lb per 1,000 sq ft)
              = rate / 16 / 1,000    (oz per 1,000 sq ft)
  product_lb  = area_sqft x lb_per_sqft
  containers  = ceil( product_lb x (1 + waste) / container_lb )
  season_rate = lb_per_sqft x 43,560 x applications_per_year

Perimeter
  band:     treated_sqft = perimeter_ft x band_width_ft, then as above
  stations: stations = ceil( perimeter_ft / spacing_ft ), then as gel

Which numbers come from a label, and which do not. This matters more on an ant page than a roach one. The Advion ant gel label directs spots of 0.1 to 1.0 gram, roughly a quarter inch across, or lines about an eighth of an inch wide and two to three inches long, and it tells you to make as many placements as possible on active foraging areas. It states no spacing at all. So grams per placement defaults to 0.5 g, the midpoint of the label's own band, while placements per 10 feet and station spacing are labelled as planning conventions and sit in editable boxes. Push a placement outside 0.1 to 1.0 g and the tool still computes, but it says so.

Granular presets. Advion Fire Ant Bait: broadcast 1.5 lb per acre, do not exceed 6 lb per acre per year, up to four applications a year generally at 12 to 16 week intervals, and an individual mound treatment of 4 level tablespoons (0.5 oz) spread 3 to 4 feet around the mound. Advance 375A Select Granular Ant Bait: broadcast 1 lb per acre, and an even band roughly 1 to 2 feet wide around the foundation. The per-1,000 sq ft equivalents quoted here, about 0.55 oz for the fire ant rate and about 0.37 oz for the 375A rate, are our own arithmetic off the per-acre label figures, not numbers the labels print. Both load into editable boxes, both are attributed on the page, and "custom" ships blank so a label that matches neither still works.

Conversions: 1 acre = 43,560 sq ft, 1 lb = 16 oz, 1 m = 3.2808 ft, 1 m² = 10.7639 sq ft, 1 hectare = 10,000 m². Containers and tubes round up on the un-rounded buffered amount, because a part tube is still a whole tube to buy, and a quantity landing exactly on a container boundary is one container rather than two.

Sources: Advion Ant Gel EPA label (spot size 0.1 to 1.0 g, line dimensions, bait active foraging areas); Advion Fire Ant Bait EPA label (1.5 lb per acre broadcast, 6 lb per acre per year maximum, four applications at 12 to 16 week intervals, mound rate); Advance 375A Select Granular Ant Bait label directions (1 lb per acre, perimeter band).

Ants are the service call you take most and the one with the least arithmetic written down for it. A single visit often mixes three things: gel on the trails inside, a granular bait over the turf outside, and a band or a ring of placements around the foundation. Those are three different rate shapes, so this page carries three arms and keeps them separate rather than averaging them into one comforting number.

The three arms, and what each one takes from the label

Gel placements. Enter the running feet of active trail, or the placements you counted on the walk round, and the tool returns placements, grams of gel and tubes to load. The important honesty here is which figure comes from where. Ant gel labels state a spot size, 0.1 to 1.0 gram, about a quarter inch across, and they tell you to make as many placements as possible on active foraging areas. They state no spacing. So grams per placement defaults to the midpoint of the label band and placements per 10 feet is presented as an editable planning convention, never dressed up as a rate somebody printed.

Granular broadcast. Enter the area and the rate off your label, in pounds per acre, pounds per 1,000 square feet or ounces per 1,000, and the tool returns pounds to load, containers to open and what is left in the jug. These rates are low enough to be counterintuitive: 1.5 lb per acre is about half an ounce per 1,000 square feet, so an 8,000 square foot yard takes roughly five ounces of product, with buffer, out of a two pound jug.

Perimeter. A perimeter band is an area job wearing different clothes: perimeter feet times band width gives the treated square footage, and the same label rate runs through it. Switch to stations and it becomes a placement job instead, spaced at whatever your account spec says, which the tool treats as a convention rather than a rule.

The annual maximum is a real constraint

Several ant bait labels cap the product per acre per year, and the cap is binding rather than advisory. Advion Fire Ant Bait directs 1.5 lb per acre, up to four applications a year generally 12 to 16 weeks apart, and not more than 6 lb per acre per year, which means four label-rate passes land exactly on the ceiling and a fifth is over it. Enter the applications you are planning and the tool checks the season total against the ceiling you typed, so a recurring program gets designed against the label rather than discovered against it.

What sits either side of this page

The same arithmetic for German cockroaches, where the spacing conventions do exist in the literature, is the cockroach gel bait calculator. For non-bait granular products, where the rate is a residual insecticide rather than a bait, the general engine is the granular insecticide rate calculator. If the ant visit also carries a liquid, the mix side is the pesticide dilution calculator, and the wider map of rates, mixes and conversions is the pesticide dosing hub. Whatever you place, it ends up on a record: the pesticide application log worksheet is the sheet that carries product, rate, area and date.

Nothing is saved here, there is no account, and the exports are ungated. Treat every number on the page as a planning aid. The EPA label for the product in your hand is a legal document and it is the binding rate for your pest, your site and your state.

Frequently asked questions

How much ant bait do I need per square foot?

You do not work it per square foot, you work it from the label and let the arithmetic land where it lands. Granular ant baits are rated per acre or per 1,000 square feet and the rates are genuinely tiny: Advion Fire Ant Bait is 1.5 lb per acre, which is about half an ounce per 1,000 square feet, and Advance 375A Select is 1 lb per acre, which converts to about 0.37 oz per 1,000. Type your area and your label rate and the tool returns pounds to load, containers to open and what is left in the jug.

How many gel bait placements should I make per foot of trail?

No ant gel label states a spacing, and that is worth knowing before you copy one off a forum. The Advion ant gel label directs spots of 0.1 to 1.0 gram, roughly a quarter inch across, or short lines an eighth of an inch wide and two to three inches long, and tells you to make as many placements as possible on active foraging areas without disrupting the ants. So the spot SIZE is a label figure and the spacing is a planning convention. This tool defaults to two placements per 10 linear feet and labels it as a convention in an editable box, rather than presenting it as a rate.

Is ant baiting the same arithmetic as roach baiting?

The gel half is the same shape, which is why the roach page and this one share a structure, but the job is not the same. Roach gel goes into harborage in a room you have measured, so linear feet of crack and crevice is the natural unit. Ants forage along trails from a nest that is often outside the structure, so the same visit usually mixes gel indoors with a granular broadcast or a perimeter band outdoors. That is why this page carries three arms and the roach page carries one.

Why does the calculator warn me about an annual maximum?

Because several ant bait labels set one and it is binding. Advion Fire Ant Bait, for example, directs 1.5 lb per acre and says not to exceed 6 lb of product per acre per year, with up to four applications generally at 12 to 16 week intervals. Four applications at the label rate is exactly 6 lb, so a fifth pass puts you over the label. Enter the applications you plan for the season and the tool checks the total against the ceiling you entered.

Should I spray a perimeter after I bait it?

Not with a repellent, not over the ground you just baited. Bait works because foragers find it and carry it back, and a repellent residual laid over the same ground breaks the trail that was doing the work. If the account needs both, keep them apart in space or in sequence and record what went where. The application itself belongs on a log: what product, what rate, what area, what date.

Does more bait mean faster control?

No, and over-application is how bait jobs fail. A bigger glob is not eaten faster, it just sits, and product that ants will not take is money on the floor and a callback in three weeks. The levers that actually move a bait job are placement on live trails, removing competing food, leaving the placements undisturbed and re-inspecting rather than re-dosing on a schedule. Expect visible activity to rise before it falls.

Sources

Advion Ant Gel EPA label: apply 0.1 to 1.0 gram spots, or approximately 1/4 inch diameter spots; lines approximately 1/8 inch wide and 2 inches long, up to 3 inches for highly active foraging trails; apply as many placements as possible to active foraging areas. Syngenta, product label. Retrieved Sep 11, 2026.
Advion Fire Ant Bait EPA label: broadcast treatment 1.5 lb of product per acre; do not exceed 6 total pounds of product per acre per year; up to 4 applications per year, generally at 12 to 16 week intervals; individual mound treatment 4 level tablespoons (1/2 oz) distributed 3 to 4 feet around the mound. Syngenta, product label. Retrieved Sep 11, 2026.
Advance 375A Select Granular Ant Bait label directions: broadcast at 1 lb per acre; around structures, an even band approximately 1 to 2 feet wide around the foundation. The per-1,000 sq ft equivalent used on our page (about 0.37 oz) is our own conversion: this page states it as 0.4 lb per 1,000 sq ft, which is a unit error on its part. BASF label directions, as published by DoMyOwn. Retrieved Sep 11, 2026.

How we choose and check our formulas