Formula and method
This calculator uses the values you enter and applies the calculation immediately in your browser. The main output formulas are:
- Estimated eGFR:
(sex===1 ? 141 : 144) * Math.pow(Math.min(creatinine/(sex===1?0.9:0.7),1), sex===1?-0.411:-0.329) * Math.pow(Math.max(creatinine/(sex===1?0.9:0.7),1), -1.209) * Math.pow(0.993, age)
Some formulas are undefined for certain input combinations, such as division by zero, equal x-values in a slope calculation, or logarithms of non-positive numbers. In those cases the live tool reports that the result is undefined instead of displaying Infinity or NaN.
Examples
- Example: with Serum creatinine = 1 mg/dL, Age = 45 years, Sex (1=male, 0=female) = 1, this calculator returns Estimated eGFR = 90.5 mL/min/1.73m².
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- Try related health & fitness tools when your next step needs another conversion or calculation.
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Frequently asked questions
Is eGFR Calculator (Simplified CKD-EPI) free to use?
Yes. eGFR Calculator (Simplified CKD-EPI) is completely free, has no usage limit, and does not require an account, email, or API key.
Does eGFR Calculator (Simplified CKD-EPI) store or upload my data?
No. eGFR Calculator (Simplified CKD-EPI) calculates everything locally in your browser. Nothing you type is sent to a server or stored by SpecWhale.
How accurate is eGFR Calculator (Simplified CKD-EPI)?
eGFR Calculator (Simplified CKD-EPI) uses a standard formula (see the Method section above for the exact expression). For high-stakes financial, medical, or legal decisions, confirm the result with a professional or an authoritative source before relying on it.
Can I embed eGFR Calculator (Simplified CKD-EPI) on my own website?
Yes. Use the "Embed this tool" snippet on this page to add a free, working copy of eGFR Calculator (Simplified CKD-EPI) to your own blog post or page.
SEO and sharing notes
This page has a single clean canonical URL, descriptive metadata, breadcrumb structured data, and internal links to related tools. Supported calculators and converters can also copy a prefilled share link without changing the canonical index URL.