Due date, ovulation, fetal weight, pregnancy weight gain, and fertility calculators.
Based on peer-reviewed medical guidelines from WHO, CDC, and AHA.
All calculations run in your browser. No data leaves your device.
Get immediate clinical interpretations and personalized insights.
Most used by healthcare professionals
20 tools available
Find your baby's expected due date from your last menstrual period.
Determine your ovulation date and fertile window for conception planning.
Estimate your baby's weight using fundal height and gestational age.
Track recommended pregnancy weight gain based on IOM guidelines.
Determine how many weeks pregnant you are from LMP or due date.
Find your estimated conception date from your last menstrual period.
Determine your current pregnancy week and baby's development stage.
Compare your HCG levels to normal ranges for your pregnancy stage.
Find out which trimester you're in and what to expect.
Verify if your baby's heart rate is normal for the gestational age.
Check if your fundal height measurement is on track for your pregnancy week.
Interpret your AFI measurement to check amniotic fluid levels.
Evaluate your cervical length and preterm birth risk.
Evaluate your risk factors for gestational diabetes.
Evaluate your preeclampsia risk from blood pressure and symptoms.
Estimate your baby's approximate birth weight.
Get personalized nutrition and calorie recommendations for pregnancy.
Find safe exercise zones and intensity for your pregnancy week.
Determine your recommended daily water intake during pregnancy.
Estimate your chances of labor starting soon.
These calculators are for educational and informational purposes only. They are not intended to replace professional medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider for personalized medical guidance.
Our pregnancy & fertility calculators provide evidence-based tools for healthcare professionals, patients, and students. Each calculator is developed using established clinical guidelines and validated formulas from recognized medical authorities.
All formulas and clinical interpretations are based on guidelines from the World Health Organization (WHO), Centers for Disease Control (CDC), American Heart Association (AHA), and other recognized medical authorities.
