How Big is My Baby This Week? Pictures to Compare Developmental Stages

This post may contain affiliate links. Full disclosures here.

Baby Sizes Week by Week (Weight and Length)

What does your baby’s size compare to in the real world? These watercolor images of fruit and veggies will help you visualize your little one’s development in the womb.

Please remember that these are just examples of how big your baby might be in the womb and not approximations.

Baby size week 4 and a picture of a poppy seed.

4 Weeks

At four weeks your baby is considered an embryo and is similar in size to a poppyseed.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size for week 5 compared to a peppercorn.

5 Weeks

Your baby is now about the size of a peppercorn and looks more like a tadpole than a human being.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size at week 6 pomegranate seed.

6 Weeks

By 6 weeks your baby is about the size of a pomegranate seed.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby growth chart compared to fruit for week 7 size of blueberries.

7 Weeks

Your baby is now twice as big as last week and is closely the size of a blueberry. So sweet.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size for week 8 compared to a raspberry.

8 Weeks

Your baby is officially 1g and is similar in size to a raspberry. At this point, baby is also moving all over the place, which you won’t be able to feel for quite some time yet.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size for week 9 compared to a cherry.

9 Weeks

Your baby is now about the size of a cherry and weighs in at 2g.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Week 10 baby size chart, picture of a kumquat for comparison.

10 Weeks

Your baby is quickly putting on mass and at 10 weeks, they are similar in size to a kumquat. From crown to rump they are measuring in at 1.22 inches and weigh 1.23 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Week 11 baby size in the womb compared to a fig.

11 Weeks

Can you believe your baby has so quickly grown to the size of a fig?! This means, your baby is 1.61 inches long from crown to rump and weighs 1.59 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size in the womb for week 12 compared to a plum.

12 Weeks

At twelve weeks, your baby is about the size of a plum and weighs 2.05 ounces. From crown to rump, baby is measuring in at 2.13 inches.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Watercolor lemon picture to compare baby size for week 13.

13 Weeks

By week thirteen, your baby has grown to the size of a lemon. They are 2.64 inches long and weigh 2.58 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here

Baby size for week 14 compared to a peach.

14 Weeks

Now that your baby is roughly the size of a sweet, plump peach he or she is 5.79 inches long (crown to heel) and 3.28 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 15 baby growth photo compared to an apple.

15  Weeks

The apple doesn’t fall far from the tree. At 15 weeks, your baby is similar in size to one! Your baby is 6.57 inches long and weighs 4.13 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 16 baby is the size of an avocado.

16 Weeks

This week your baby is around the same size as an avocado and they are 7.32 inches long (crown to heel) and weigh in at 5.15 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 17 compared to a pear.

17 Weeks

At week seventeen, your baby has grown to the size of a pear! He or she is now 8.03 inches long and weighs 6.38 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Watercolor illustration of a sweet potato for week 18 of baby growth in the womb.

18 Weeks 

Your little sweetie is as a big as a sweet potato and as long as 8.79 inches and weigh 7.897 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Watercolor illustration of a mango for week 19 baby size.

19 Weeks

Your baby weighs 9.63 ounces this week and is 9.45 inches long. He or she has grown to the size of a mango!

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 20 with a watercolor banana for baby size comparison.

20 Weeks

Half way there! Your baby has grown to the size and length of a small banana, measuring at 10.12 inches long (head to heal) and weighs 11.68 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 21 baby is as big as a carrot.

21 Weeks

At 21 weeks, baby is around the size of a carrot. Head to heel they are around 10.79 inches long and weigh 14.07 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Papaya illustration for week 22 of size of baby in the womb.

22 Weeks

Your baby is about the size of a papaya this week. They are 11.42 inches long and weigh 15.17 ounces.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size comparison photo of an illustrated eggplant for week 23.

23 Weeks

By now, your baby has grown to the size of an eggplant and is 12.05 inches long and weigh 1.10 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 24 compared to watercolor corn on the cob.

24 Weeks

At 24 weeks, your baby is the size of an ear of corn. They are weighing in at 1.32 pounds and are 12.68 inches long.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 25 of baby growth pictures compared to an acorn squash illustration

25 Weeks

Your baby this week is roughly the size of an acorn squash, which puts them at 13.27 inches long and 1.46 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size by week 26 and an illustration of two zucchinis.

26 Weeks

At 26 weeks your baby is the size of a zucchini and is measuring in at 13.82 inches long and weighs 1.68 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size week 27 and an illustration of a cauliflower.

27 Weeks

Your baby is now as big as a head of cauliflower! Which makes them 14.41 inches long and 1.32 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Illustration of a kabocha squash for week 28 baby sizes.

At 28 weeks your baby is similar in size to a kabocha squash. They are 14.80 inches long (head heel) and now weighing 2.22 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size by week 29 compared to a watercolor of a butternut squash.

29 Weeks

By now, your baby is roughly the size of a butternut squash. He or she is 15.47 inches long and weighs 2.45 pounds!

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 30 compared to an illustration of a cabbage.

30 Weeks

Baby is as big as a cabbage and is as long as 15.95 inches. He or she now weighs a whopping 2.91 pounds!

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 31 in baby sizes with pictures compared to leeks.

31 Weeks

 Your baby is 3.31 pounds this week and 16.46 inches long from head to heel. They are comparable to the size of leeks.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 32 compared to a nappa cabbage.

32 Weeks

At week 32 your baby is roughly as large as a nappa cabbage. They weigh around 3.75 pounds and are 16.93 inches long.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Picture of a watercolor pineapple for baby's 33 week growth example.

33 Weeks

Your baby is similar in size to a pineapple and weighs 4.23 pounds and is 17.36 inches long.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 34 and an illustrated cantaloupe.

34 Weeks

At 34 weeks your baby is comparable to the size of a cantaloupe and is 17.83 inches long and 4.73 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 35 and a honeydew melon.

35 Weeks

Your little honey is roughly the size of a honeydew melon. This means, he or she is 18.25 inches long and 5.25 pounds.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

This should also interest you: Baby Poop Colors Chart and Pictures: What’s Normal?

Week 36 and a drawing of romaine lettuce.

36 Weeks

At 36 weeks your baby weighs 5.78 pounds and is 18.62 inches long (head to heel). They resemble the size of romaine lettuce.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size for week 37 and a bunch of Swiss chard.

 

37 Weeks

Your baby is the size of swiss chard this week and weighs 6.30 pounds, they are 19.02 inches long.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Week 38 for baby sizes and rhubarb.

38 Weeks

Baby is as big as a bunch of rhubarb and weighs in at 6.80 pounds, measuring 19.41 inches long.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

More to love: Last Minute Things to do Before Baby Arrives (with free checklists)

A watercolor pumpkin for week 39 of baby's growth in the womb.

39 Weeks

Your little pumpkin is the size of a pumpkin and weighs 7.25 pounds while their length sits at 19.72 inches this week.

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Baby size in the womb by week 40 compared to a watermelon.

40 Weeks

Your baby is roughly the size of a watermelon and weighs around 7.63 pounds and is 20.08 inches long

Download a baby size by week print to place in your baby’s nursery.

Add the images in this post to your bump photos, find them here!

Please Share!