Pregnancy Due Date Calculator

Get an estimated due date and current week as you type.

FREE - NO SIGN-UP - RUNS ON YOUR DEVICE

Your entries stay on your device

  • Liveupdates as you type
  • 0data uploaded
  • 1clear result
  • Freeno account needed
Specification

Pregnancy Due Date Calculator at a glance

Input
Choose last period or conception, then e
Output
an estimated due date and current week
Health notice
Estimate, not medical advice
Processing
Runs locally in your browser
Price
Free
Account required
No
How to

How to use Pregnancy Due Date Calculator

  1. 1

    Enter your values

    Choose last period or conception, then enter its date.

  2. 2

    Review the estimate

    Review the live estimate.

  3. 3

    Copy the result

    Copy the result when ready.

Questions

Frequently asked questions

Is this result medical advice?

No. It is a general estimate based on the values and formula shown. A qualified health professional can interpret measurements for your circumstances.

Are my entries uploaded?

No. The calculation runs in your current browser tab, and the tool does not send the values to a server.

Why might my result differ elsewhere?

Methods, rounding and reference assumptions vary. Check the selected units and inputs, then treat the result as an estimate rather than a diagnosis.

Background

Understanding the estimate

Choose last period or conception, then enter its date. See the estimated due date, current week and calculation basis. This calculator provides an estimate, not medical advice.

  • The result follows the method named in the tool and rounds figures for easy reading.
  • Personal circumstances vary, so use the figure as a general reference and not a diagnosis.

Full specification

Specification of the Pregnancy Due Date Calculator tool
InputChoose last period or conception, then enter its date.
OutputSee the estimated due date, current week and calculation basis.
Health noticeThis result is an estimate for general information and is not medical advice.
ProcessingAll calculations run locally in the current browser tab.
PriceFree
Account requiredNo
Next step

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