GFR Calculator

Estimate kidney filtration rate using common formulas.

Adult + pediatric
Unit conversion
Educational only
eGFR estimate
Educational estimates using common formulas.
years
CKD-EPI
71mL/min/1.73m2
MDRD
60mL/min/1.73m2
Formula comparisonmL/min/1.73m2
CKD-EPI
71
MDRD
60

Medical context

eGFR is a screening estimate for kidney function. Lab results and medical guidance are required for diagnosis.

Assumptions

Adult formulas assume stable creatinine and are not intended for acute kidney injury. The Schwartz formula requires height for children.

Formula differences

CKD-EPI and MDRD are used for adults, while the Schwartz formula is common for children.