Baby Weight Log & Growth Tracker

Track your baby’s weight progress from birth up to 12 months.

Add weight entries over time to see:

  • Total weight change
  • Average daily gain
  • Growth trend
  • Simple range indicator

This tool helps you monitor patterns. It does not replace medical advice.

Log Baby Weight

    Baby Weight Gain Reference (0–12 Months)

    Stage What’s Generally Expected
    Day 1–5 Up to 7–10% weight loss is common
    Day 10–14 Regains birth weight
    0–3 Months 20–30 g per day average gain
    3–6 Months 15–20 g per day average gain
    6–12 Months 10–15 g per day average gain
    By 5 Months Birth weight typically doubles
    By 12 Months Birth weight typically triples

    These are general reference patterns. Individual growth varies. Always consult your pediatrician for concerns.

    Understanding Newborn Weight Changes

    In the first few days, most newborns lose 7–10% of their birth weight. This is normal due to fluid loss.

    By day 10–14, babies typically regain their birth weight.

    After that, average weight gain in the first 3 months is:

    • Around 20–30 grams per day
    • Roughly 150–200 grams per week

    Every baby grows at a slightly different pace. Consistent gain matters more than comparison.


    When to Speak to a Doctor

    • Baby has not regained birth weight by 2 weeks
    • Daily gain consistently below 15–20 g after day 10
    • Baby seems lethargic or feeds poorly
    • Fewer wet diapers

    What Actually Affects Weight Gain

    • Effective latch
    • Feeding frequency
    • Milk transfer (not just time at breast)
    • Illness
    • Prematurity