Pool Chemical Dose
Dose chlorine granules to reach a target ppm in your pool.
About Pool Chemical Dose
The pool's target level converts to the active chlorine needed, then the product's strength percent increases the dose to grams of product. Pool chemistry needs consistent ppm ranges, and an accurate product dose keeps water safe without wasting chemicals.
Formula
Pool Chemical Dose
Active = gallons x ppm x 0.27 / 10,000; product = active / (strength / 100)
- 0.27
- Ounces of active chlorine per ppm in 10,000 gallons
Worked example
With the default values below, Pool Chemical Dose returns Product Needed of 12.15. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Pool volumeminimum 1 gal
- 15,000 gal
- Target levelminimum 0 ppm
- 3 ppm
- Active ingredientaccepts 0.1–100 %
- 10 %
Results
- Product Needed
- 12.15 oz
- Product Needed
- 0.76 lb
- Product Needed
- 344.4 g
Step by step
- 1Values used
- 2Pool Chemical Dose
- 3Product Needed= 12.15 oz
- 4Product Needed= 0.76 lb
- 5Product Needed= 344.4 g
Assumptions and limits
- The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Pool Chemical Dose calculated?
Active = gallons x ppm x 0.27 / 10,000; product = active / (strength / 100) The pool's target level converts to the active chlorine needed, then the product's strength percent increases the dose to grams of product.
Why does Pool Chemical Dose matter?
Pool chemistry needs consistent ppm ranges, and an accurate product dose keeps water safe without wasting chemicals.
What values do I need to enter?
This calculator takes 3 inputs: Pool volume, Target level, Active ingredient. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.