The average size of newborn baby: weight and height of the baby at birth

How much should your baby weigh at birth? How much will he measure? Do you have a lot of questions about the size and weight of your baby at birth? Our experts answer your questions …

The average size of newborn baby: weight and height of the baby at birth
The average size of newborn baby: weight and height of the baby at birth

THE SIZE AND WEIGHT OF BABY MONTH AFTER MONTH

The control of the size and the weight brings indications on the state of health of your toddler. Each child grows at his own pace, so the key is to see steady growth.

You may also be interested in: Baby Weight Monthly

THE SIZE AND WEIGHT OF A NEWBORN

Babies come into the world all different. Girl or boy, there is no weight or ideal birth size. But generally, birth weight and height are on average 3.3 kg for 50 cm.

THE SIZE AND WEIGHT OF A 1-MONTH-OLD BABY

At one month, your infant has already benefited from a few grams. It measures 54 cm and weighs an average of 4 kg.

Boy: from 3 to 5 kg
Girl: 2.8 kg to 4.6 kg

The average size of newborn baby weight and height of the baby at birth
The average size of newborn baby weight and height of the baby at birth

THE HEIGHT AND WEIGHT OF A 2-MONTH-OLD BABY

At two months your baby weighs on average 5 kg and measures 57 cm.

Boy: 3.7 to 5.9 kg
Girl: from 3.7 to 5.5 kg

THE SIZE AND WEIGHT OF A 3-MONTH-OLD BABY

At three months your baby weighs on average 5.5 kg and measures 60 cm.

Boy: from 4.5 to 6.9 kg
Girl: 4.3 to 6.3 kg

THE SIZE AND WEIGHT OF A 4-MONTH-OLD BABY

At four months your baby weighs on average 6 kg and measures 63 cm. It should take about 20 grams a day until its six months.

Boy: from 5.1 kg to 7.7 kg
Girl: from 4.7 kg to 7.3 kg

THE SIZE AND WEIGHT OF A 5-MONTH-OLD BABY

Generally, at five months, your baby has doubled his birth weight. It weighs on average 6.8 kg and measures 65 cm.

Boy: from 5.5 to 8.5 kg
Girl: from 5 to 8 kg

THE SIZE AND WEIGHT OF A 6-MONTH-OLD BABY

At six months your toddler weighs about 7.4 kg and measures 67 cm. From 6 months to 1 year, your child will take an average of 12 grams per day.

Boy: from 6 to 9,1 kg
Girl: from 5.5 to 8.3 kg

The average size of newborn baby weight and height of the baby at birth
The average size of newborn baby weight and height of the baby at birth

THE HEIGHT AND WEIGHT OF A 7-MONTH-OLD BABY

At seven months, your laddie weighs on average 7.8 kg and measures 68 cm. He is very active and therefore needs more energy to wake up and grow. It will take 15 grams daily up to 9 months.

Boy: from 6.8 to 9.8 kg
Girl: from 6 to 9 kg

THE HEIGHT AND WEIGHT OF AN 8-MONTH-OLD BABY

Your child takes more or less 500 grams each month. It weighs 8.2 kg on average for 69 cm.

Boy: from 7 to 10,5 kg
Girl: from 6.5 to 10.5 kilograms

THE HEIGHT AND WEIGHT OF A 9-MONTH-OLD BABY

Again, your baby will take 500 grams. It weighs on average 8.6 kg and measures 71 cm.

Boy: from 7.5 to 11.5 kg
Girl: from 7 to 11 kg

See more: best toys for 9 months old

THE SIZE AND WEIGHT OF A 10-MONTH-OLD BABY

From 10 months, the evolution of the weight of your child becomes less critical (+ 300 grams). It weighs on average 9 kg and measures 72 cm. Up to 1 year, it should take about 10 grams a day.

Boy: from 8 to 11,5 kg
Girl: from 7 to 11,5 kilograms

The average size of newborn baby weight and height of the baby at birth
The average size of newborn baby weight and height of the baby at birth

THE HEIGHT AND WEIGHT OF AN 11-MONTH-OLD BABY

Your laddie grows less and therefore takes less weight (+ 250 grams). He tripled his birth weight, however. It weighs on average 9.2 kg and measures 73 cm.

Boy: from 8.5 to 12 kg
Girl: from 7.5 to 12 kg

THE HEIGHT AND WEIGHT OF A CHILD FROM 1 YEAR TO 2 YEARS

The changing weight of your baby is slowing down again. From 1 year it will take only 50 grams per week, for up to 2 years.

At 12 months baby weighs on average 9.6 kg and measures 74 cm
At 18 months baby weighs on average 11 kg and measures 81 cm
At 24 months old baby weighs on average 12 kg and measures 86 cm.

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