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Kalkulator Hari Perkiraan Lahir (HPL) : Hitung Usia Kehamilan & Trimester

Hitung perkiraan tanggal lahir bayi Anda (HPL) menggunakan Rumus Naegele berdasarkan Hari Pertama Haid Terakhir (HPHT).

Interactive Calculator

100% Client-Side Engine
Estimated Delivery Date (EDD)
May 6, 2027
1st Trimester (Weeks 1-12) • 224 days remaining
Gestational Age8 Weeks, 0 Days (20%)
Estimated Conception
Aug 13, 2026
LMP + 14 days
Current Trimester
Trimester 1
40 weeks total
Days Remaining
224
Until 40 weeks
Calculation Method
Naegele's Rule
Clinical standard
Pregnancy Trimester & Ultrasound Milestones
Conception Window
Week 2
Aug 13, 2026
End of 1st Trimester
Week 12
Oct 22, 2026
Anatomy Ultrasound Scan
Week 20
Dec 17, 2026
Viability Milestone
Week 24
Jan 14, 2027
Start of 3rd Trimester
Week 27
Feb 4, 2027
Early Term
Week 37
Apr 15, 2027
Estimated Due Date (Full Term)
Week 40
May 6, 2027

Step-by-Step Examples

Perhitungan Standar HPHT

HPHT 1 Januari 2025.

Inputs: HPHT: 2025-01-01
Result: HPL: Rabu, 8 Oktober 2025 (40 Minggu)

Usia kehamilan penuh 40 minggu (280 hari).

How to Use This Tool

  1. Masukkan tanggal HPHT (Hari Pertama Haid Terakhir).
  2. Pilih siklus menstruasi rata-rata.
  3. Klik Hitung.

Frequently Asked Questions

Sekitar 5% bayi lahir tepat pada HPL, sebagian besar lahir antara minggu ke-37 hingga ke-42.