Enjoy our calculators? Buy us a coffee

Anatomy Scan Date Calculator

Calculate your 20-week anatomy scan window (18-22 weeks) for a detailed fetal development check.

Scan Window Start

5/7/2026

18 weeks from LMP

Ideal Date (20 Weeks)

5/21/2026

Window End

6/4/2026

22 weeks from LMP

Current Week

16 weeks, 4 days