Pregnancy due date calculator: Free pregnancy due date calculator using

Free pregnancy due date calculator using your last menstrual period. Get your estimated delivery date with NHS-approved methods. Use our pregnancy calculator to find your due date! Enter your details to get accurate information on your due date, trimester, and current week of pregnancy. Calculate your due date, weeks pregnant, and birth probability using your last period, ultrasound, or known due date. Learn about the factors that influence your pregnancy length and the three trimesters. Our easy-to-use pregnancy calculator is the number one most popular way to calculate your due date based on the date of your last menstrual period or conception date, IVF transfer date, or the date of your last ultrasound.