Pregnancy Due Date Calculator
Calculate your estimated due date from your last menstrual period. Track weeks pregnant, trimester, and key milestones. Free pregnancy calculator.
About the Pregnancy Due Date Calculator
Calculate your estimated due date from your last menstrual period. Track weeks pregnant, trimester, and key milestones. Free pregnancy calculator.
Pregnancy Due Date Calculator is a free browser-based tool on QuickFnd. Calculate your estimated due date from your last menstrual period. Track weeks pregnant, trimester, and key milestones. Free pregnancy calculator. No installation or account required — runs entirely in your browser on desktop and mobile.
- Type
- Tool
- Runs in
- Your browser — no account, no install
- Price
- Free
- Privacy
- Inputs stay on your device unless the tool says otherwise
Frequently asked questions
Your due date is typically calculated by adding 280 days (or 40 weeks) to the first day of your last menstrual period. This method assumes a regular 28-day cycle and may vary based on individual circumstances.
Yes, but the due date may not be as accurate. If your menstrual cycle is irregular, consider consulting your healthcare provider for a more personalized estimate based on ultrasounds and other factors.
If you can’t recall your last menstrual period, the calculator may not provide an accurate due date. In such cases, an ultrasound can be used to estimate your due date based on fetal measurements.
While the calculator is designed for typical pregnancies, it may not be suitable for those with complications or specific medical conditions. Always consult your healthcare provider for personalized information.
You can start using the due date calculator as soon as you confirm your pregnancy. It’s helpful for planning appointments, preparing for childbirth, and tracking your baby's development throughout the pregnancy.
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