Chlorine Dose to PPM
Calculate PPM increase from Liquid Chlorine.
Verified ToolUpdated: January 10, 2026
Input Parameters
Calculated Result
---
PPM Increase
Methodology & Sources
Reverse calculation of standard dosing. Using the 'Rule of thumb': 1 gallon (128 oz) of 12.5% chlorine raises 10,000 gallons by ~12.5 PPM. Therefore, PPM = (Oz * Factor) / Vol.
The underlying formula used is:
(Oz * 90000) / Vol (Approx 12%)
References
- TroubleFreePool Math
Frequently Asked Questions
What strength chlorine?
This assumes standard 10-12% pool liquid chlorine.
How much per gallon?
Roughly 1 oz in 10,000 gallons gives ~0.1 PPM. 10 oz gives ~1 PPM.
Vijay Chauhan
Lead Developer & Technical Editor
Ensuring every tool adheres to ASTM/IUPAC standards. Committed to providing precise, transparent, and verifiable engineering resources.
View Full ProfileVerified Tool
Scientific Accuracy
Formulas and logic verified against IUPAC and ASTM standards. Maintained and tested by technical editors.
View Editorial PolicyPPMCalculators
Never Lose This Calculator
Bookmark this tool for instant access. 100% free, verified accuracy, and ad-free experience.