LHR Calculator Perinatology
Quickly compute fetal Liver-to-Heart Ratio (LHR) using our free online calculator, designed for clinicians and researchers for accurate fetal assessment.

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About This Tool
The LHR Calculator for Perinatology is a specialized online tool built for healthcare professionals involved in fetal monitoring and research. It simplifies the process of calculating the Liver to Heart Ratio (LHR) based on ultrasound measurements, aiding in fetal health assessment.
By entering fetal liver and heart diameters, the tool instantly provides the LHR, supporting early detection of conditions like fetal hydrops or liver enlargement. Its user-friendly interface ensures quick, accurate input and results, reducing manual errors and saving valuable clinical time.
Designed with medical accuracy and accessibility in mind, this calculator is ideal for obstetricians, radiologists, and perinatology researchers. It helps standardize measurements, perform quick assessments during ultrasound sessions, and supports data export for record-keeping or further analysis.
Advanced features such as measurement history, multi-lingual support, and unit conversions make this a comprehensive solution suitable for global use. Whether in busy hospital settings or research labs, this tool provides reliable support for fetal health evaluation.
How to Use
1. Enter the Liver Diameter measurement in mm or cm.
2. Enter the Heart Diameter measurement in mm or cm.
3. Select the units used (mm or cm) if not default.
4. Click the 'Calculate' button to get the LHR.
5. Review the result below, and use options to copy or export as needed.

FAQs/Additional Resources
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What is the Liver to Heart Ratio (LHR) used for in perinatology?
How accurate is this LHR calculator?
Can I save or export my calculation results?
Is this tool suitable for international use?
What should I do if the calculator gives an error?
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