Baby Size Comparison – See How Your Baby Grows Week by Week
Pregnancy is such an exciting time! One of the fun parts is imagining how big your baby is as they grow. Many moms love comparing their baby’s size to fruits or veggies — it makes things feel a little more real and fun. Here’s a simple week-by-week guide to help you picture your little one’s growth.
Week 4 to Week 8: Tiny Beginnings
- Week 4: Your baby is about the size of a poppy seed. So tiny, but growing fast!
- Week 5: Now about the size of a sesame seed.
- Week 6: Around the size of a lentil.
- Week 7: Baby’s size is like a blueberry.
- Week 8: About the size of a raspberry, roughly 1.6 cm long.
Week 9 to Week 12: Growing Stronger
- Week 9: Size of a grape, about 2.3 cm.
- Week 10: Like a kumquat.
- Week 11: About the size of a fig.
- Week 12: Around the size of a lime, nearly 5.4 cm long.
Week 13 to Week 16: Almost Ready to Explore
- Week 13: Size of a pea pod.
- Week 14: Like a lemon.
- Week 15: About the size of an apple.
- Week 16: Similar to an avocado.
Week 17 to Week 20: Halfway There!
- Week 17: Size of a turnip.
- Week 18: Like a bell pepper.
- Week 19: About the size of a mango.
- Week 20: Like a banana, about 16.5 cm long.
Week 21 to Week 24: Growing Bigger
- Week 21: Size of a carrot.
- Week 22: Like a spaghetti squash.
- Week 23: About the size of a grapefruit.
- Week 24: Like an ear of corn, roughly 30 cm long.
Week 25 to Week 28: Almost There
- Week 25: Size of a cauliflower.
- Week 26: Like a head of lettuce.
- Week 27: About the size of a cucumber.
- Week 28: Like a eggplant, about 37.6 cm long.
Week 29 to Week 32: Getting Ready
- Week 29: Size of a butternut squash.
- Week 30: Like a cabbage.
- Week 31: About the size of a pineapple.
- Week 32: Like a squash, roughly 42.4 cm long.
Week 33 to Week 36: The Final Stretch
- Week 33: Size of a pineapple.
- Week 34: Like a cantaloupe.
- Week 35: About the size of a honeydew melon.
- Week 36: Like a bunch of bananas.
Week 37 to Week 40: Ready to Meet You!
- Week 37: Size of a watermelon.
- Week 38: Like a pumpkin.
- Week 39: About the size of a small watermelon.
- Week 40: Like a jackfruit — time to meet your little one!
Why Use Fruit to Compare Baby Size?
Comparing your baby to fruits or veggies makes it easier to imagine how much they’re growing inside you. It’s a simple way to track progress and get excited week by week.
Remember
- Every baby grows differently — these sizes are just estimates.
- Don’t worry if your doctor says your baby’s a little bigger or smaller.
- Enjoy this special time and celebrate each week’s milestones!
Final Thought
Keeping track of your baby’s growth with these fun comparisons makes pregnancy even more joyful. Bookmark this page and check back often to see how your little fruit is growing!