Resource hub

All Pregnancy & Fertility Calculators

Every PregCalc pregnancy and fertility calculator in one list: due date, ovulation, conception, gestational age, implantation, hCG, kick counter and more.

Educational content, not medical advice. Clinical review of this page is in progress.

Every calculator and interactive tool on PregCalc, in one place.

Dating & Timeline

Fertility

Labor & Growth

Fun & Planning

How to Choose a Calculator

If you are trying to conceive, start with the Ovulation Calculator. If you have a positive test, use the Due Date Calculator and Gestational Age Calculator. Later in pregnancy, tools such as the Kick Counter and Contraction Timer help you track what matters most. Every tool gives estimates; confirm results with your provider.

New to the topic? Browse our pregnancy guides for plain-language explanations.

This page is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your OB-GYN or midwife about your own pregnancy.

Baby Eye Color Calculator & Genetics Guide

Explore how genetics may shape your baby's eye color.

Open calculator

Baby Gender Predictor

A fun quiz to guess your baby's gender.

Open calculator

Conception Calculator

Work back from your due date to estimate when you conceived.

Open calculator

Contraction Timer

Time contraction length and frequency in real time.

Open calculator

Due Date Calculator

Estimate your due date from your last period, cycle length or conception.

Open calculator

Fertility by Age Calculator

Understand monthly conception odds by age.

Open calculator

Fetal Weight Percentile Calculator

Compare estimated fetal weight against growth percentiles.

Open calculator

Gestational Age Calculator

Check exactly how many weeks and days pregnant you are.

Open calculator

hCG Doubling Time Calculator

Check whether your hCG levels are rising as expected.

Open calculator

Hospital Bag Checklist

A printable checklist of what to pack for labor and delivery.

Open calculator

Implantation Bleeding Calculator

See when implantation bleeding may appear after ovulation.

Open calculator

Implantation Calculator

Estimate when implantation is most likely to occur.

Open calculator

IVF Due Date Calculator

Calculate your due date from an embryo transfer date.

Open calculator

Kick Counter

Track your baby's movements with a simple kick count.

Open calculator

Miscarriage Risk Calculator

Understand how risk changes week by week.

Open calculator

Newborn Percentile Calculator

Weight, length and head-size percentiles for newborns.

Open calculator

Ovulation Calculator

Find your most fertile days and predicted ovulation date.

Open calculator

Pregnancy BMI Calculator

Track healthy pregnancy weight gain for your starting BMI.

Open calculator

Pregnancy Calorie Calculator

Daily calorie needs by trimester and activity level.

Open calculator

Pregnancy Countdown Calculator

Count the days, weeks and milestones until your due date.

Open calculator

Pregnancy Week by Week

Interactive fetal development, week by week.

Open calculator