Pregnancy Due Date Calculator
Estimate delivery dates using Naegele's rule (LMP + 280 days). Fast, free, and fully client-side.
Calculator Inputs
Last Menstrual Period (LMP)
Calculation Results
| Estimated Due Date | — |
| Gestation Age | — |
Estimate delivery dates using Naegele's rule (LMP + 280 days). Fast, free, and fully client-side.
| Estimated Due Date | — |
| Gestation Age | — |