Breastfeeding Calorie Calculator

Calculate extra calories needed while breastfeeding.

Enter Your Details

How to Use the Breastfeeding Calorie Calculator

Calculate extra calories needed while breastfeeding.

1. Enter

Add the details requested in the form. Use the most recent measurements, dates, or figures you have.

2. Review

Read the result together with the notes below it. Estimates are most useful when you compare them with your own context.

3. Act

Save the result, try a related tool, or speak with a doctor, lactation consultant, childcare provider, or financial adviser when needed.

Singapore note: use your child's health booklet and polyclinic or paediatrician measurements when available, especially for growth, feeding, and vaccination tools.

Medical Disclaimer: This tool is for educational and informational purposes only. It does not provide medical advice, diagnosis, or treatment. Results are estimates only. Always consult a qualified healthcare professional for medical decisions. In an emergency, call 995 (Singapore) immediately.

Breastfeeding Guide: What to Expect

AgeFeeds/DayPer FeedKey Note
Day 1–38–12Colostrum (small amounts)Colostrum is gold - High in antibodies
Week 18–10~30–60mlMilk comes in, engorgement common
Month 18~60–90mlGrowth spurts increase demand
Month 2–37–8~90–120mlFeeds becoming more efficient
Month 4–66–7~120–150mlLonger spacing possible
6+ months5–6~150–180mlSolids start supplementing
Signs of good latch

Wide open mouth, chin touching breast, no clicking sounds, comfortable for mother.

Hunger cues

Rooting, hand-to-mouth, turning head, soft crying. Don't wait for hard crying.

Signs of enough milk

6+ wet diapers daily, regaining birth weight by 2 weeks, steady weight gain.

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