What does the GFR Calculator work out?

Estimated kidney filtration rate (CKD-EPI 2021). It is one of the Health & Fitness tools on Mondo Knows.

How is the GFR Calculator calculated?

You get an instant answer with the working shown underneath.

Do I need to sign up, and is my data stored?

No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

Mondo Knows Tools

GFR Calculator

Estimated kidney filtration rate (CKD-EPI 2021). Use the free gfr calculator below to get an instant answer, with the formula shown so you can check the maths and trust the result. Free, private, and no sign-up.

Serum creatinine

mg/dL

Age

yrs

Sex

Mondo says

eGFR

95 mL/min/1.73m2

KDIGO stageG1 (normal)

A screening estimate only. Kidney health is assessed by a clinician with more than one number.

GFR Calculator: common questions

What does the GFR Calculator work out?: Estimated kidney filtration rate (CKD-EPI 2021). It is one of the Health & Fitness tools on Mondo Knows.
How is the GFR Calculator calculated?: You get an instant answer with the working shown underneath.
Do I need to sign up, and is my data stored?: No sign-up, and nothing you type is sent anywhere. The calculation runs in your own browser, so the figures stay on your device and the page works offline once loaded.

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Facts that connect to the gfr calculator

Short, sourced facts that point back to this tool.

Human kidneys filter roughly one hundred eighty litres of blood dailyPaired abdominal organs cleanse blood plasma and regulate fluid balance Each human kidney contains roughly one million microscopic nephronsFunctional nephron units use glomeruli and tubules to produce urine

Estimates for general guidance only. This is not financial, medical or legal advice. Everything runs in your browser and nothing you type is stored.