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Online calculator to calculate Urine albumin to creatinine ratio (ACR), helps to identify kidney disease that can occur as a complication of diabetes by using ACR ratio formula.

Albumin : creatinine ratio: It is ratio of urinary albumin to urinary creatinine; usually it is expressed as milligram of albumin excreted per gram of urinary creatinine.

Stages of classic diabetic nephropathy according to urinary albumin level

Stage of nephropathy	Urine dipstick for protein	Urine ACR (mg/mmol)	24-urine collection for albumin* (mg/day)
Normal	Negative	< 2.0 (men) < 2.8 (women)	<30
Microalbuminuria	Negative	2. 0 - 20.0 (men) 2.8 - 28.0 (women)	30-300
Overt nephropathy (Macroalbuminuria)	Positive	> 20.0 (men) > 28.0 (women)	>300

Note : (*) Values are for urinary albumin, not total urinary protein, which will be higher than urinary albumin levels.