For licensed healthcare professionals only. Not a diagnostic tool. See full disclaimer.
Urine Protein-Creatinine Ratio (UPCR)
Input
mg/dL
mg/dL
UPCR
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Estimated 24hr Protein
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About
The Urine Protein-to-Creatinine Ratio (UPCR) estimates 24-hour urine protein excretion from a spot urine sample. It avoids the inconvenience of 24-hour urine collection. A UPCR > 3.5 mg/mg indicates nephrotic range proteinuria. The UPCR correlates well with 24-hour protein excretion and is recommended by KDIGO for monitoring proteinuria in CKD patients.
Formula
UPCR (mg/mg) = Urine Protein (mg/dL) / Urine Creatinine (mg/dL)
Estimated 24hr protein (mg/day) ≈ UPCR × 1000
Interpretation
| UPCR (mg/mg) | ~24hr Protein | Interpretation |
|---|---|---|
| < 0.15 | < 150 mg/day | Normal |
| 0.15 – 0.5 | 150–500 mg/day | Mild proteinuria |
| 0.5 – 3.5 | 500–3500 mg/day | Moderate proteinuria |
| > 3.5 | > 3500 mg/day | Nephrotic range |
FAQ
Disclaimer
For educational and informational purposes only. Not intended to replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional.