🇺🇸 PREGNANCY · UNITED STATES

United States Pregnancy & Due Date Calculator

Estimate your due date and map the 40-week pregnancy timeline.

Free to useNo sign-upPrivate by design

Enter your numbers

✎

Weeks pregnant

weeks

Additional days

days

◇ Your values stay in this browser.

Compare the numbers that matter

Estimated due date

193

02 · KEY VIEW

Current trimester

$52

Weeks completed

$69

Milestone ahead

Explore →

Plain-English guidance

Everything needed to review the estimate before making a decision.

LMP dating

Learn what this number means and how it is calculated.

Read guide →

Conception date

See the assumptions that have the greatest effect.

Read guide →

Trimester timeline

Compare a realistic low, middle and high scenario.

Read guide →

Ultrasound dating

Know what to verify before you take the next step.

Read guide →

A transparent estimate, built for comparison

This mockup keeps the approved BMI structure: focused inputs on the left, a visual result on the right, then comparison cards and education below. Final formulas and official US sources will be verified before publication.

Editorial checklist

✓ Formula and edge cases tested

✓ Primary government sources cited

✓ Assumptions shown beside the result

✓ Review date visible on the page

Official-source readyDesigned for IRS, SSA, CFPB, CDC and other primary references.

Privacy firstInputs remain on your device unless you choose to share.

Mockup statusVisual and interaction concept—formula validation still required.