Everyone & professionals
eGFR Calculator (CKD-EPI 2021)
Estimate kidney filtration (eGFR) from serum creatinine, age and sex, without a race coefficient.
Kidney health
How the kidneys work, what eGFR and urine albumin mean, and protecting kidney function.
Tools
For healthcare professionals
eGFR from Creatinine and Cystatin C (CKD-EPI 2021)
Race-free CKD-EPI 2021 combined creatinine–cystatin C equation, plus cystatin C alone (2012).
For healthcare professionals
Creatinine Clearance (Cockcroft–Gault)
Estimated creatinine clearance for drug dosing, with actual, ideal and adjusted body weight.
For healthcare professionals
MDRD eGFR Calculator
The 4-variable IDMS-traceable MDRD equation, for comparison with older reports.
For healthcare professionals
BSA-Adjusted (De-indexed) eGFR
Convert eGFR from mL/min/1.73 m² to mL/min for the patient's actual body size.
Everyone & professionals
Urine Albumin-to-Creatinine Ratio (UACR) Category
Place a urine albumin-to-creatinine ratio in KDIGO albuminuria category A1, A2 or A3.
For healthcare professionals
Urine Protein-to-Creatinine Ratio (UPCR)
Calculate UPCR from spot urine protein and creatinine and estimate daily protein excretion.
For healthcare professionals
CKD Stage & Risk Classification (KDIGO)
Combine eGFR and albuminuria into the KDIGO G/A classification and risk heat map.
For healthcare professionals
Serum Osmolality & Osmolar Gap
Calculated serum osmolality and, with a measured value, the osmolar gap.
For healthcare professionals
CURB-65 Pneumonia Severity Score
Severity of community-acquired pneumonia and 30-day mortality risk.
Everyone & professionals
Creatinine Unit Converter
Convert serum creatinine between mg/dL and µmol/L.
Everyone & professionals
Urea / BUN Converter
Convert between blood urea nitrogen (mg/dL) and urea (mmol/L or mg/dL).
Featured articles
The first guide on this topic will be published after medical review.