Pregnancy due date calculator

Not medical advice: this tool is only a general estimate. It does not diagnose, treat, or replace professional medical advice. Inputs stay in your browser.

Search and use guide

Pregnancy due date calculator

Estimate due date from LMP or conception date; not medical advice. privacy-first-browser-tooling

Who it helps

  • Estimate due date from LMP or conception date; not medical advice.
  • Adds 280 days to last menstrual period or 266 days to conception date to estimate due date; clinical care should use professional guidance.
  • add 280 days to the last menstrual period date to estimate the due date and basis.

What you can enter

  • add 280 days to the last menstrual period date to estimate the due date and basis.
  • Adds 280 days to last menstrual period or 266 days to conception date to estimate due date; clinical care should use pro

How to read results

Adds 280 days to last menstrual period or 266 days to conception date to estimate due date; clinical care should use professional guidance. privacy-first-browser-tooling

Data and privacy

GoGo Tools records analytics by tool slug only and does not include your input values. privacy-safe-analytics-only

FAQ

Is this medical advice?

No. This is a general estimate and does not replace a doctor, dietitian, or qualified clinician.

Is data uploaded?

No. Inputs stay in your browser; analytics records only the tool slug.

Can this diagnose a condition?

No. For symptoms, pregnancy, chronic conditions, or emergencies, consult a qualified professional.

Can I use it globally?

Yes as a general estimate; interpret results with local units, context, and professional advice.