Free Prenatal Vitamin Needs Calculator

Calculate recommended daily intake of key nutrients during pregnancy based on trimester.

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Folate / Folic Acid

600 mcg DFE

Iron27 mg
Calcium1,000 mg
Vitamin D600 IU
DHA (Omega-3)200 mg
Extra Daily Calories340 kcal

Folate / Folic Acid vs Age

View formula & how it works →

Key Prenatal Nutrient Needs

NutrientDaily AmountWhy Folic Acid600 mcgPrevents neural tube defects Iron27 mgSupports increased blood volume Calcium1,000 mgBuilds baby's bones and teeth Vitamin D600 IUAids calcium absorption DHA200 mgBrain and eye development

Extra Calories by Trimester

  • First: No extra needed
  • Second: +340 kcal/day
  • Third: +450 kcal/day

    • Example Calculation

    A 28-year-old in her second trimester.

    1. 01Folic acid = 600 mcg DFE
    2. 02Iron = 27 mg
    3. 03Calcium = 1,000 mg (age > 18)
    4. 04Extra calories = 340 kcal/day (2nd trimester)

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