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

Estimation Result
(Approximate error ±200g)

※ 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

How to use:

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