65+ Free Baby & Pregnancy Calculators
Access medically reviewed, standard tools to track due dates, infant growth curves, wake schedules, feeding sizes, and financial budgets.
Explore by Category
Pregnancy
Calculate due dates, trimesters, fetal growth, and fertility cycles.
Baby Growth
Track weight, height, percentiles, and physical milestones.
Feeding & Nutrition
Calculate formula amounts, breast milk storage, and solid food schedules.
Baby Sleep
Generate sleep schedules, nap structures, and wake windows.
Labor & Delivery
Time contractions, count kicks, and track labor progress.
Gender & Genetics
Predict baby's eye color, hair color, and explore gender theories.
Daily Care & Health
Track diaper costs, teething timelines, and vaccine schedules.
Financials & Planning
Budget for nursery, college, maternity leave, and childcare.
Most Popular Tools
Due Date Calculator
Calculate your pregnancy due date instantly based on LMP, conception date, or IVF transfer.
Ovulation Calculator
Identify your monthly fertile window and predict your next ovulation day.
Baby Percentile Calculator
Calculate your baby's weight, height, and head circumference percentile.
Baby Sleep Schedule Calculator
Generate a customized bedtime, nap, and wake schedule based on age.
Contraction Timer
Time your active contractions and monitor duration and frequency.
Medicine Dosage Calculator
Calculate safe Acetaminophen or Ibuprofen dosages based on child weight.
All 65 Calculators Index
Pregnancy Suite18 Tools
- ✦Due Date Calculator
- ✦Pregnancy Calculator
- ✦Ovulation Calculator
- ✦Pregnancy Weight Gain Calculator
- ✦Gestational Age Calculator
- ✦Conception Date Calculator
- ✦IVF Due Date Calculator
- ✦Twin Due Date Calculator
- ✦Fertile Window Calculator
- ✦Pregnancy BMI Calculator
- ✦Fetal Weight Calculator
- ✦Pregnancy Trimester Calculator
- ✦Pregnancy Week Calculator
- ✦Miscarriage Risk Calculator
- ✦Due Month Calculator
- ✦C-Section Recovery Calculator
- ✦VBAC Success Calculator
- ✦Bishop Score Calculator
Baby Growth Suite13 Tools
- ✦Baby Percentile Calculator
- ✦Baby Weight Calculator
- ✦Baby Height & Length Calculator
- ✦Head Circumference Calculator
- ✦Baby BMI Calculator
- ✦Growth Chart Calculator
- ✦Adult Height Predictor
- ✦Corrected Age Calculator
- ✦Developmental Milestones Calculator
- ✦Newborn Weight Loss Calculator
- ✦Baby Age Calculator
- ✦APGAR Score Calculator
- ✦Neonatal Jaundice Calculator
Feeding & Nutrition Suite7 Tools
Baby Sleep Suite5 Tools
Labor & Delivery Suite4 Tools
Gender & Genetics Suite7 Tools
Daily Care & Health Suite5 Tools
CDC & WHO Standards
All calculations utilize standardized pediatric formulas and physiological references provided directly by ACOG, CDC, and WHO.
100% Secure & Private
We prioritize patient privacy. All custom values, calculations, and tracking sessions occur locally inside your client browser.
Always Free & Accessible
Our mission is to support new and expecting families everywhere with reliable, premium calculators without any cost boundaries.
Frequently Asked Questions about BabyCalculators
Q: Are these baby calculators medically reviewed?
A: Yes, all mathematical estimations, growth percentile grids, and drug dosing parameters align directly with guidelines published by the AAP, WHO, and ACOG.
Q: What is the most accurate due date calculation?
A: Early ultrasound dating scans (typically performed in the first trimester between weeks 8 and 12) represent the clinical gold standard of pregnancy dating.
Q: Can I save my tracking data or calculation logs?
A: Our tracking modules (such as the Contraction Timer and kick loggers) utilize secure client state inside your browser tab to support your active monitoring session.
Q: How do you verify pediatric dosing guidelines?
A: Drug dosage logic utilizes the child's body weight in kilograms, ensuring calculations match safe pediatric ranges of mg/kg before rendering volumetric liquid mL.