Calcium Intake Calculator — Estimate Your Daily Calcium Needs

Calcium Intake Calculator

Estimate your daily calcium intake from food and supplements. Compare with recommended values for your age and gender to support bone health.

Step 1: Your Details

Why calcium matters

Calcium is essential for bones, teeth, muscle function. Recommended daily intake varies by age and gender. The calculator uses IOM guidelines.

Step 2: Intake (mg per day)

🥛 Milk 1 cup (300) 🍦 Yogurt 150g (200) 🧀 Cheese 30g (150) 🥬 Kale 50g (100) 🍊 Fortified OJ (250)

Tip

Click on any food badge to add its calcium to your diet total. Values are approximate.

Your Calcium Summary

Summary
Food Sources
Guidelines

Total Calcium Intake (food + supplement)

700 mg
64% of recommended (1100 mg)
Recommended Daily
1100 mg
From Food
500 mg
Supplement
200 mg
Remaining need
400 mg

Calcium in Common Foods

Food Serving Calcium (mg) % RDA* (approx)

*based on adult RDA 1000 mg

Calcium Recommendations (IOM)

Daily Recommended Intake

1-3 years: 700 mg
4-8 years: 1000 mg
9-18 years: 1300 mg
19-50 years: 1000 mg
Women 51+: 1200 mg
Men 51-70: 1000 mg
Men 71+: 1200 mg

High Calcium Foods

Dairy, leafy greens, fortified plant milks, tofu, sardines. Aim to meet needs primarily through diet.

Consult a Registered Dietitian

Get personalized advice for bone health, dietary planning, and supplement optimization.

Find a Nutrition Expert