Reference 2 min read Updated 2026-06-01

Pool Chemical Conversion Tables

v2026.07

Quick conversion reference for pool chemistry units — fluid ounces, pounds, liters, gallons, and ppm.

These conversions are useful when comparing products sold in different units or when dosing from an international source.

Volume Conversions

FromToMultiply By
Fluid ounces (fl oz)Milliliters (mL)29.574
Milliliters (mL)Fluid ounces (fl oz)0.0338
Quarts (qt)Liters (L)0.9464
Gallons (US)Liters3.785
LitersGallons (US)0.2642

Weight Conversions

FromToMultiply By
Ounces (oz)Grams (g)28.35
Grams (g)Ounces (oz)0.0353
Pounds (lb)Kilograms (kg)0.4536
Kilograms (kg)Pounds (lb)2.205

Concentration Conversions

UnitEquivalent
1 ppm1 mg/L
1 ppm1 gram per 1,000 liters
1%10,000 ppm
10% solution100,000 mg/L
1 grain/gallon (gpg)17.12 ppm

Notes

  • US gallons are used throughout this site — 1 US gallon = 0.8327 Imperial gallons.

Last reviewed: 2026-06-01