Pregnancy Calculator
Track pregnancy week by week — enter LMP date to get due date, weeks pregnant and trimester.
🔄 Updated October 13, 2026
About the Pregnancy Calculator
The Pregnancy Calculator helps you track an important health number in seconds. Track pregnancy week by week — enter LMP date to get due date, weeks pregnant and trimester. Results are estimates for awareness and planning — always consult a qualified professional for medical advice. You may also like the BMI Calculator and TDEE Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly — no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Pregnancy Calculator.
Keep exploring: BMI Calculator · Calorie (BMR) Calculator · Age Calculator · Ovulation Calculator
Frequently asked questions
How is the due date calculated?
280 days (40 weeks) from the first day of your last menstrual period.
Is this medical advice?
No — it is an estimate. Always confirm with your doctor.
Related tools
BMI CalculatorCheck your Body Mass Index and see which weight category you fall into. Calorie (BMR) CalculatorEstimate daily calorie needs from age, gender, height, weight and activity level. Age CalculatorFind your exact age in years, months and days from your date of birth. Ovulation CalculatorFind your fertile window, ovulation day and next expected period from cycle details. Body Fat CalculatorEstimate body fat percentage with the U.S. Navy tape-measure method. Ideal Weight CalculatorFind your healthy weight range from height and gender using standard formulas.