Stone Prevention Hydration Calculator
Find your personalized daily fluid target to dilute urine and significantly lower your risk of kidney stone formation.
Your Minimum Daily Goal
3.0 L
(Approx. 101 oz)
To effectively prevent stone recurrence, urological guidelines recommend producing at least 2.5 Liters of urine per day. Drink this amount steadily throughout the day, aiming for pale, clear urine.
Medical Disclaimer: This tool provides general guidance for kidney stone prevention based on standard urological formulas. Patients with heart failure, severe kidney disease, or on fluid restrictions should consult their doctor before increasing fluid intake.
What is the best fluid for stone prevention?
Plain water is the gold standard. Adding a squeeze of fresh lemon or lime provides natural citrate, which is a potent inhibitor of calcium oxalate stones. For more dietary strategies, explore our kidney health resources.
Why do I need to drink so much?
High fluid intake dilutes the concentration of minerals in your urine. If minerals like calcium, oxalate, and uric acid are highly diluted, they cannot easily bind together to form crystals and stones.