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Urine Albumin-to-Creatinine Ratio Calculator — result sheet
Normalize urine albumin and creatinine units and calculate the spot urine albumin-to-creatinine ratio in mg albumin per gram creatinine.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Normalize albumin to mg/dL and creatinine to g/dL; UACR (mg/g) = urine albumin (mg/dL) ÷ urine creatinine (g/dL).
The page makes the unit path visible before division. It accepts two common albumin concentration units and three creatinine units, converts them to the NIDDK formula convention, and displays a cautious reference context without calling the result a diagnosis.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Urine albumin concentration — selected unit; minimum 0; maximum 1000000000
- Albumin unit — 2 choices
- Urine creatinine concentration — selected unit; minimum 1.0E-6; maximum 1000000000
- Creatinine unit — 3 choices
Worked example
| Input | Value |
|---|---|
| Urine albumin concentration | 30 |
| Albumin unit | mg/dL |
| Urine creatinine concentration | 0.1 |
| Creatinine unit | g/dL |
UACR = 30 mg/dL ÷ 0.1 g/dL = 300 mg/g.
Assumptions and limits
- Albumin and creatinine values come from the same spot urine specimen unless a clinician directs another comparison.
- Albumin is normalized to mg/dL and creatinine to g/dL before division.
- The ratio is reported as mg albumin per g creatinine, not as a serum test or a 24-hour collection result.
- The concentration values are finite, nonnegative, and the creatinine value is greater than zero.
- The displayed 30 and 300 mg/g context points are reference language, not a personal diagnosis or treatment threshold.
- Hydration, exercise, infection, menstruation, medicines, repeated testing, eGFR, and laboratory method can affect interpretation.
- A spot UACR approximates albumin excretion but does not replace the clinical evaluation of kidney disease.
- Use the laboratory’s reported ratio and a qualified clinician when making medical decisions.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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