How It Works
This calculator works in 4 steps.
Enter the label rate
Type the product rate per acre, hectare, or 1,000 ft² from the label.
Enter the calibrated carrier volume
Type the sprayer output in GPA or L/ha from calibration.
Enter the tank size
Type the tank volume to be filled.
Read the results
The calculator returns area per tank and product per tank, plus a partial-tank option.
The Formula
The formula divides tank volume by carrier volume per area and multiplies by the label rate.
A = V_tank / GPAP = rate × A1 acre = 0.4047 ha = 43,560 ft²- V_tank:
- Tank volume
- GPA:
- Calibrated gallons per acre
- rate:
- Label product rate per area
- A:
- Area one tank covers
A label rate of 1 qt/acre, a 20 GPA calibration, and a 300 gal tank give 15 acres per tank and 15 qt (3.75 gal) of product per tank.
Conversion Table
The conversion table gives area per tank and product per tank for 5 rate and sprayer setups.
| Label rate | Carrier volume | Tank | Area per tank | Product per tank |
|---|---|---|---|---|
| 1 qt/acre | 20 gal/acre | 300 gal | 15 acres | 15 qt |
| 32 fl oz/acre | 15 gal/acre | 200 gal | 13.33 acres | 426.7 fl oz |
| 2 pt/acre | 10 gal/acre | 500 gal | 50 acres | 100 pt |
| 1.5 lb/acre | 25 gal/acre | 100 gal | 4 acres | 6 lb |
| 0.5 fl oz/1,000 ft² | 2 gal/1,000 ft² | 3 gal | 1,500 ft² | 0.75 fl oz |
What Is the Pesticide Tank Dilution Calculator?
The Pesticide Tank Dilution Calculator is a tool that scales a label-authorized application rate to a sprayer tank, using the sprayer's calibrated carrier volume per area. The calculator returns the area one tank covers and the product amount per tank.
Pesticide labels are legal documents in the United States under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). The rate, carrier volume range, and site come from the label; the calculator scales those values and adds nothing. The carrier volume comes from the user's sprayer calibration, measured in gallons per acre (GPA) or liters per hectare (L/ha).
Common Uses
There are 5 main uses of this calculator.
Field spraying
Farmers scale per-acre rates to boom sprayer tanks.
Turf management
Golf course staff scale per-1,000 ft² rates.
Orchard spraying
Growers scale rates to airblast sprayer tanks.
Backpack sprayers
Applicators scale to 3 to 4 gallon tanks.
Application records
Applicators log product per tank for required records.