Fetal Weight Calculator

Free online fetal weight calculator using ultrasound measurements (BPD, AC, FL) with medical formula. Instant results in kg/lbs/grams. Essential tool for pregnancy monitoring.

👶 Fetal Weight Calculator

※ Formula: Fetal Weight(g) = 1.07 × BPD³ + 0.3 × AC² × FL

※ Input values should be in millimeters (mm). Results are estimates only.

About This Fetal Weight Calculator:

✅ Medical Accuracy: Uses the internationally recognized Hadlock formula: 1.07 × BPD³ + 0.3 × AC² × FL

✅ Smart Unit Conversion: Automatically converts millimeters to centimeters and displays results in grams, kilograms, and pounds

✅ Clinical Validation: Includes ±200g margin of error indication for realistic expectations

✅ Instant Results: Get estimation in 3 seconds without app downloads

⚠️ Important Note: This tool provides estimates only. Always consult your healthcare provider for professional pregnancy monitoring and fetal assessment.

How to use:

  1. Enter measurements from your ultrasound report
  2. Click "Calculate Now"
  3. Compare results with gestational growth charts