Pregnancy
Calculator

Track pregnancy progress week by week with baby size comparisons, development milestones, and trimester information.

Input

Progress

Week 13 of 401st Trimester196 days remaining
30% complete30%
Due Date

Oct 2, 2026

Gestational Age

12w 0d

This Week

1st Trimester

🫑

Size of a Pea pod

Length

7.4 cm

Weight

23 g

Development

Vocal cords forming; intestines move into abdomen

Week-by-Week Reference

WeekSizeLengthWeight
4Poppy seed0.1 cm<1 g
5Sesame seed0.2 cm<1 g
6Lentil0.6 cm<1 g
7Blueberry1.3 cm<1 g
8Raspberry1.6 cm1 g
9Cherry2.3 cm2 g
10Strawberry3.1 cm4 g
11Fig4.1 cm7 g
12Lime5.4 cm14 g
13Pea pod7.4 cm23 g
14Lemon8.7 cm43 g
15Apple10.1 cm70 g
16Avocado11.6 cm100 g
17Pear13.0 cm140 g
18Bell pepper14.2 cm190 g
19Mango15.3 cm240 g
20Banana25.6 cm300 g
21Carrot26.7 cm360 g
22Papaya27.8 cm430 g
23Grapefruit28.9 cm500 g
24Corn on the cob30.0 cm600 g
25Cauliflower34.6 cm660 g
26Lettuce head35.6 cm760 g
27Cabbage36.6 cm875 g
28Eggplant37.6 cm1005 g
29Butternut squash38.6 cm1150 g
30Cucumber39.9 cm1320 g
31Coconut41.1 cm1500 g
32Jicama42.4 cm1700 g
33Pineapple43.7 cm1920 g
34Cantaloupe45.0 cm2150 g
35Honeydew melon46.2 cm2380 g
36Romaine lettuce47.4 cm2620 g
37Swiss chard bunch48.6 cm2860 g
38Leek49.8 cm3080 g
39Watermelon50.7 cm3290 g
40Pumpkin51.2 cm3460 g
41Pumpkin +51.5 cm3600 g
42Pumpkin ++51.7 cm3700 g