Pregnancy Calculator
Find your due date and pregnancy progress
About the Pregnancy Calculator
The ToolsVera pregnancy calculator estimates your due date and current week of pregnancy based on your last menstrual period. It is a popular first tool for expectant parents before formal ultrasound dating.
How to use the Pregnancy Calculator
- Enter your LMP: Pick the first day of your last menstrual period.
- Adjust cycle length: Use 28 days by default or enter your own.
- See your due date: The calculator shows due date and current week.
Why use our Pregnancy Calculator?
- Standard Naegele’s rule with cycle-length adjustment.
- Shows current pregnancy week at a glance.
- Private — nothing is saved.
- Free and easy to reshare with your partner.
Frequently Asked Questions
Is this Pregnancy Calculator really free?
Yes. Pregnancy Calculator on ToolsVera is 100% free to use with no signup, no hidden limits and no watermark added to your output.
Is this a replacement for a doctor?
No — always confirm due dates with your healthcare provider, especially after ultrasound dating.
What if my cycle is not 28 days?
Enter your actual cycle length; the calculator adjusts the ovulation offset accordingly.
Does it work for IVF pregnancies?
For IVF, dating is based on embryo transfer — consult your clinic’s schedule instead of LMP.
Is my data safe?
Yes. Files are processed on the server and automatically deleted — we never store your content.