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Pool Salt Calculator

Calculate the exact weight of salt needed to adjust your swimming pool's salinity levels.

1. Pool Specifications
025,000 US gal50,000 US gal
ppm
0 ppm2,500 ppm5,000 ppm
ppm
0 ppm2,500 ppm5,000 ppm
2. Required Dosage
Total Salt Weight Required
267.1lbs
Concentration Target:+3,200 ppm Increase
Detailed Conversions
Pounds (lbs)267.05 lbs
Kilograms (kg)121.13 kg
Ounces (oz)4,272.8 oz
Grams (g)121,133 g
Milligrams (mg)121,133,177 mg

4. Pool Salt Reference Guide

Dynamic Calculations

Quickly view the salt dosage required for common pool sizes to achieve a +3,200 ppm increase (from 0 ppm to 3,200 ppm) using standard 40 lb (18.1 kg) bags. Click any row to instantly load that volume into the calculator.

Pool Volume (US Gal)Pool Volume (Liters)Salt Required (lbs)Salt Required (kg)Bags Needed (40lb)Action
1,000 gal3,785 L26.7 lbs12.1 kg1 bag(0.7 exact)
2,500 gal9,464 L66.8 lbs30.3 kg2 bags(1.7 exact)
5,000 gal18,927 L133.5 lbs60.6 kg4 bags(3.3 exact)
7,500 gal28,391 L200.3 lbs90.8 kg6 bags(5.0 exact)
10,000 gal37,854 L267.1 lbs121.1 kg7 bags(6.7 exact)
15,000 gal56,781 L400.6 lbs181.7 kg11 bags(10.0 exact)
20,000 gal75,708 L534.1 lbs242.3 kg14 bags(13.4 exact)
25,000 gal94,635 L667.6 lbs302.8 kg17 bags(16.7 exact)
30,000 gal113,562 L801.2 lbs363.4 kg21 bags(20.0 exact)