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HEALTH
Due Date Calculator
Estimate Due Date with transparent assumptions.
Choose what you knowEstimate from a period, conception, ultrasound, IVF transfer, or existing due date.
5 optionsESTIMATED DUE DATEOctober 8, 2026
Based on the last menstrual period. Educational estimate only; not medical advice.
- Estimated due date
- October 8, 2026
- Estimated conception date
- January 15, 2026
- Estimated gestational start
- January 1, 2026
- Estimated second trimester
- April 9, 2026
- Estimated third trimester
- July 16, 2026
Formula checked280-day gestational dating with cycle adjustment and equivalent conception, ultrasound, and IVF calculations.