How accurate is this Kidney Stone Calculator?

Our calculator uses scientifically validated formulas and provides results based on peer-reviewed research. Results should be used as a general guide and not as medical advice.

Is this tool free to use?

Yes, this Kidney Stone Calculator is completely free to use. No registration or payment required.

Can I use this calculator on mobile?

Yes, our calculator is fully responsive and works on all devices including smartphones, tablets, and desktop computers.

Kidney Stone Calculator

Health Assessment

Assess kidney stone risk and prevention strategies

Kidney Health Tool

Kidney Stone Prevention Calculator

Identify your risk factors and get a personalized prevention plan to avoid painful kidney stones.

Stone Type

Risk Factors

Diet & Hydration

Prevention Plan

What type of kidney stones have you had?

If you've never had stones or don't know, select "Unknown/Prevention"

Calcium Oxalate

Most common (80%)

Uric Acid

Diet-related

Struvite

Infection-related

Unknown

Prevention focus

How many stones have you had?

0️⃣

None yet

1️⃣

One

2️⃣

Two

🔁

3 or more

Your Risk Factors

Current Risk Level: Calculating...

Low Moderate High

Select all that apply:

👨‍👩‍👧

Family history of kidney stones

Genetic predisposition

🏜️

Often dehydrated

Don't drink enough water

🧂

High sodium diet

Lots of processed/salty foods

🥩

High animal protein intake

Red meat, poultry, fish heavy diet

⚖️

Overweight/Obesity

BMI over 30

🩺

Diabetes or insulin resistance

Affects urine acidity

🦶

Gout or high uric acid

Increases uric acid stones risk

🩻

Digestive conditions (IBD, bypass)

Affects oxalate absorption

Diet & Hydration Assessment

Daily water intake (8oz glasses):

0 glasses — Click drops to set your intake

High-oxalate foods consumption:

🥬

Rarely eat

Spinach, nuts, chocolate, tea

🥗

Sometimes

A few times a week

🥜

Frequently

Almost daily

🍫

Very often

Multiple times daily

Calcium intake:

📉

Low

Avoid dairy

🥛

Moderate

Some dairy/foods

🧀

High

Lots of dairy

Medical Disclaimer: This calculator provides general prevention guidance. If you have a history of kidney stones, please work with a urologist or nephrologist who can analyze your specific stone composition and provide personalized medical advice.

Kidney Stone Prevention

Reduce stone formation risk.