TDS Calculator

Calculate Total Dissolved Solids using gravimetric or conductivity methods

Calculation Method

Input Method

Initial Dish Weight (g)

Final Dish + Residue Weight (g)

Sample Volume (mL)

Total Dissolved Solids

333.0 mg/L

Good

Water Quality

Taste ProfilePleasant, good taste

Residue Mass33.3000 mg

Ionic Strength (est.)0.0083 M

Unit Conversions

ppm333.0

g/L0.3330

Grains/Gallon19.47

Percent Solids0.033%

TDS Guidelines

Excellent< 300 mg/L

Good300-600 mg/L

WHO Limit< 1000 mg/L

EPA Secondary< 500 mg/L