HTML Encoder

Convert special characters to HTML entities and decode HTML entities back to characters. Free online HTML encoding tool.

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Height Estimator Calculator

Estimate your child's potential adult height based on current measurements and growth patterns. Includes percentile rankings and growth analysis.

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Ejection Fraction Calculator

Calculate left ventricular ejection fraction using stroke volume and end-diastolic volume. Free online tool for cardiac function assessment.

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Aortic Valve Area Calculator

Calculate aortic valve area using the continuity equation to assess aortic stenosis severity. Free online calculator using echocardiographic measurements.

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Mifflin St. Jeor Calculator

Calculate your Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) using the most accurate Mifflin St. Jeor equation for nutrition planning.

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