Free Calcium Needs Calculator

Determine your recommended daily calcium intake based on age, with guidance on meeting your target through diet.

years
servings

Recommended Calcium

1,000 mg/day

Calcium from Dairy600 mg
Remaining to Fill400 mg

Recommended Calcium vs Age

Calcium Requirements by Age

Calcium is critical for bone health, nerve function, and muscle contraction.

RDA Table

Age GroupCalcium RDA 1-3 years700 mg 4-8 years1,000 mg 9-18 years1,300 mg 19-50 years1,000 mg 51+ years1,200 mg

One serving of dairy provides roughly 300 mg of calcium.

Example Calculation

A 35-year-old who consumes 2 dairy servings per day.

  1. 01RDA for age 19-50 = 1,000 mg
  2. 02Calcium from 2 dairy servings = 2 x 300 = 600 mg
  3. 03Remaining gap = 1,000 - 600 = 400 mg

Frequently Asked Questions

Learn More

Understanding BMI: What It Means and How to Calculate It

Learn what BMI is, how to calculate it, what the ranges mean, and the limitations of body mass index as a health metric. Comprehensive guide with formulas and context.

Related Calculators