Dilution of Pesticides
Percent | Dilution | P/M | Grams/Liter |
1.0 | 1:100 | 10,000 | 10.0 |
0.1 | 1:1,000 | 1,000 | 1.0 |
0.01 | 1:10,000 | 100 | 0.1 |
0.001 | 1:100,000 | 10 | 0.01 |
0.0001 | 1:1,000,000 | 1 | 0.001 |
1 Part/Million (P/M):
By Weight: 1 milligram per kilogram
By Volume: 1 microliter per liter
One ounce in 7,500 gallons, or 1 lb in 120,000 gallons is
approximately 1 part per million by weight in water.
Dilution of Liquid Pesticides
Amount of Mix | Amount of spray material to use for these dilutions |
| 1:200 | 1:400 | 1:600 | 1:800 |
1 quart | 1 tsp. | 1/2 tsp. | 1/3 tsp. | 1/4 tsp. |
1 gallon | 4 tsp. | 2 tsp. | 1 1/2 tsp. | 1 tsp. |
5 gallons | 3 1/4 oz. | 1 2/3 oz. | 1 oz. | 4/5 oz. |
50 gallons | 1 quart | 1 pint | 2/4 pint or 12 oz. | 1/2 pint or 8 oz. |
Dilution of Herbicide in Different Concentrations
When acid equivalent of herbicide is | and the required concentration of mix in lbs. of acid/100 is |
| 2 | 4 | 6 | 8 | 12 | 16 | 20 |
2.00 Lbs./Gal. | 1.0 | 2.0 | 3.0 | 4.0 | 6.0 | 8.0 | 10.0 |
3.00 Lbs./Gal. | 0.7 | 1.3 | 2.0 | 2.7 | 4.0 | 5.3 | 6.7 |
3.34 Lbs./Gal. | 0.6 | 1.2 | 1.8 | 2.4 | 3.6 | 4.8 | 6.0 |
4.00 Lbs./Gal. | 0.5 | 1.0 | 1.5 | 2.0 | 3.0 | 4.0 | 5.0 |
6.00 Lbs./Gal. | 0.3 | 0.7 | 1.0 | 1.3 | 2.0 | 2.7 | 3.3 |