Best Fetal Weight Calculator Apps

242+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated August 2026

If you already know Fetal Weight Calculator, this is the deeper bench. 242+ fetal weight calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Fetal Weight Calculator Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Fetal Weight CalculatorFetal Weight CalculatorFree5.0★ (1)NoYesAug 2026
2Baby & Fetal Weight CalculatorBaby & Fetal Weight CalculatorFreeNoYesAug 2026
3BabyCenter Pregnancy TrackerBabyCenter Pregnancy TrackerFree4.9★ (295K)YesNoAug 2026
4Pregnancy Baby Tracker - WTEPregnancy Baby Tracker - WTEFree4.9★ (378K)YesNoAug 2026
5Obstetrum: OB-GYN CalculatorObstetrum: OB-GYN CalculatorFreeYesYesJun 2026
6BMI Calculator – Weight LossBMI Calculator – Weight LossFree4.5★ (28K)NoYesAug 2026
7Obstetric Calculator PlusObstetric Calculator PlusFree4.7★ (6)NoNoJul 2026
8Pregnancy Calculators ProPregnancy Calculators ProFreeYesNoMay 2026

Top Picks for Fetal Weight Calculator

BabyCenter Pregnancy Tracker#3

BabyCenter Pregnancy Tracker by Everyday Health, Inc.

Track Baby Daily & Get Rewards
Worth Considering
🏥 Medical
4.9😊(295K ratings)
FreeAds
#34in Medical
BabyCenter Pregnancy Tracker screenshot 1
BabyCenter Pregnancy Tracker screenshot 2
BabyCenter Pregnancy Tracker screenshot 3
BabyCenter Pregnancy Tracker screenshot 4
BabyCenter Pregnancy Tracker screenshot 5
BabyCenter Pregnancy Tracker screenshot 6

This app helps you track your pregnancy week-by-week, monitor your baby's development, and access expert advice. It also offers a loyalty program for exclusive discounts and a community forum for support.

What We Love

  • 👍 Very helpful app
  • 👍 Informative and useful
  • 👍 Excellent app
  • 👍 Great information resource

Room to Improve

  • 🐛 Logging issues and profile deletions
  • 🐛 Buggy bumpie photo uploads
  • 🙄 Some outdated or one-sided information

More Fetal Weight Calculator apps to explore

4
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Pregnancy Baby Tracker - WTE
Track Development & Growth
Free

This app guides you through pregnancy and early parenthood with weekly updates, development trackers, and expert advice. It helps you monitor your baby's growth, manage symptoms, and connect with other parents.

Week-by-week pregnancy trackerDue date calculatorBaby development and growth tracking
🏥 Medical
(378K)
free with in-app purchases
5
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Obstetrum: OB-GYN Calculator
Gestational Age & Fetal Weight
Free
🏥 Medical
(0)
6
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
Calculate your ideal weight
Free

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

Instant BMI calculation with animated gaugePersonalized health insightsIdeal weight recommendations
💪 Health & Fitness
(28K)
free with in-app purchases
7
Obstetric Calculator Plus
Obstetric Calculator Plus
Obstetric Calculator Plus
by Mehdi Taghavi
Free

This medical app assists healthcare professionals in calculating gestational age, fetal age, and estimated due dates for pregnant patients. It also includes BMI calculation to support patient care.

Gestational age calculationFetal age calculationEstimated date of delivery
🏥 Medical
(6)
free
8
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Pregnancy Calculators Pro
Maternity and Motherhood
Free

This app helps healthcare practitioners and pregnant women track pregnancy progress. It calculates gestational age, estimated due dates, and fetal weight using various formulas. It also offers helpful tips and recommendations for diet, exercise, and antenatal care.

Gestational age calculationEstimated due date (EDD) calculatorFetal weight estimation
💪 Health & Fitness
(0)
ad-supported
9
Gestation Calculator - POG Cal
Gestation Calculator - POG Cal
Gestation Calculator - POG Cal
Period of Gestation Calculator
Free
📚 Education
(0)
10
Perinatal Calculators
Perinatal Calculators
Perinatal Calculators
by David Deschamps
Free

This app provides essential obstetrical and perinatal calculators for healthcare providers. It aids in patient counseling with tools for assessing risks like extreme prematurity and Down Syndrome, and managing conditions like gestational diabetes. All calculations are performed locally without an internet connection.

Extreme prematurity calculatorVBAC success calculatorsDown Syndrome risk assessment
🏥 Medical
(2)
free
11
Health calculator: weight, BMI
Health calculator: weight, BMI
Health calculator: weight, BMI
Weight gain / loss, pregnancy
Free

This app helps you manage your health by calculating key metrics like BMI, daily calorie needs, and target heart rate zones. It also assists with pregnancy planning and hydration goals based on your personal data.

BMI calculationDaily calorie requirementsTarget heart rate zones
💪 Health & Fitness
(47)
ad-supported
12
FAST Pregnancy Calculator
FAST Pregnancy Calculator
FAST Pregnancy Calculator
For Healthcare Professionals
Free

This medical app helps healthcare professionals quickly calculate pregnancy gestation weeks using last menstrual period dates or ultrasound scan data. It provides pregnancy progress information and is designed for busy medical staff.

Calculate gestation by LMPCalculate gestation by ultrasoundPregnancy progress information
🏥 Medical
(5)
free
13
Gestational Age (baby's age)
Gestational Age (baby's age)
Gestational Age (baby's age)
Calculator & Prenatal Care
Free

This app helps healthcare professionals quickly calculate gestational age, estimate due dates, and track prenatal care. It offers tools for monitoring pregnancy progress, including clinical charts, fetal weight estimation, and patient history organization.

Gestational age calculation (LMP & Ultrasound)Estimated Due Date (EDD) calculationPrenatal care tracking
🏥 Medical
(191)
free with in-app purchases
14
BMI Calculator‰
BMI Calculator‰
BMI Calculator‰
Body Mass Index Calculator
Free

Easily calculate your Body Mass Index (BMI) with this straightforward application. It provides a quick way to understand your weight status based on your height and weight.

BMI calculationInput heightInput weight
💪 Health & Fitness
(24K)
ad-supported
15
Obstetrical Calculator
Obstetrical Calculator
Obstetrical Calculator
by Manuel Posadas
Free

This medical application provides essential calculations for obstetrics. It serves as a clinical support tool, but all results require confirmation by a healthcare professional. It is not a replacement for professional medical judgment.

Obstetrical calculationsClinical support toolRequires professional confirmation
🏥 Medical
(0)
free with in-app purchases
16
Pedi Quick Weight
Pedi Quick Weight
Pedi Quick Weight
Harbor-UCLA Weight Estimator
Free
🏥 Medical
(0)
17
Baby Weight Tools
Baby Weight Tools
Baby Weight Tools
nursery & office calculators
Free

This medical app assists clinicians in calculating infant weight loss and gain percentages. It converts various units of measurement for length, weight, and temperature, providing essential data for clinical decision-making in newborn and infant care.

Calculate infant weight loss percentagesCalculate infant weight gain per dayConvert between various units of measurement
🏥 Medical
(1)
free
18
Obstetrics Calculator
Obstetrics Calculator
Obstetrics Calculator
by Alexander Snegirev
Free

This medical app provides a comprehensive suite of tools for calculating gestational age, estimated due dates, and various risk assessments related to pregnancy and women's health. It includes calculators for maternity leave, cervical assessments, and cancer risk estimations, designed for healthcare professionals.

Gestational age and due date calculationMultiple calculation methods (LMP, ultrasound, IVF)Maternity leave timeframe estimation
🏥 Medical
(1)
free with in-app purchases
19
Fetal Growth Trajectory
Fetal Growth Trajectory
Fetal Growth Trajectory
Fetal Biometry & Percentiles
Free
🏥 Medical
(0)
20
Garbhgyan Pregnancy Calculator
Garbhgyan Pregnancy Calculator
Garbhgyan Pregnancy Calculator
LMP to EDD, Weeks & Months
Free

This app helps expecting mothers track their pregnancy by calculating the estimated delivery date from the last menstrual period. It provides insights into pregnancy progress, trimester status, and baby's estimated growth.

Calculate Estimated Delivery Date (EDD)Track pregnancy weeks and monthsMonitor trimester status
🔧 Utilities
(0)
free

FAQ about Fetal Weight Calculator

What are the best fetal weight calculator apps for iPhone?
Fetal Weight Calculator tops our fetal weight calculator apps ranking as of August 2026, with a 5.0-star average from 1 App Store ratings, and it's free to download.
Yes — 20 of the top fetal weight calculator apps we rank are free to download, including Fetal Weight Calculator and Baby & Fetal Weight Calculator.
Fetal Weight Calculator has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 242+ fetal weight calculator apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Fetal Weight Calculator is a health and fitness app designed to help expectant parents monitor their baby's growth during pregnancy. It estimates fetal weight and provides percentile information for key measurements.
The app uses established methods like U.S NICHD and World Health Organization calculations to estimate fetal weight. However, it is intended for informational purposes and should not replace professional medical advice from a healthcare provider.