Haemoglobin to Hematocrit Estimate
Estimate hematocrit from haemoglobin using the rule of three.
Your result
The rule of three estimates hematocrit as about three times haemoglobin in g/dL. It is an approximation; measured hematocrit is more precise.
Medical disclaimer: This tool is for education and is not medical advice. Read more.
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Frequently asked questions
What does the Haemoglobin to Hematocrit Estimate do?
Estimate hematocrit from haemoglobin using the rule of three. Enter your values and the result and chart update instantly.
How accurate is it?
It uses published, widely used formulas. Results are estimates for education and planning, not a diagnosis. Talk to a qualified clinician about decisions affecting your health.
Is my information stored or shared?
No. All calculations run in your browser and nothing you type is sent to a server or saved.
What can I search to find this tool?
People find it by searching for: hematocrit from hemoglobin; rule of three hct; hb to hct conversion.