# Creatinine Unit Converter (mg/dL ↔ µmol/L) Convert serum/urine creatinine between mg/dL and µmol/L. Factor 88.4 (molar mass 113.12 g/mol). Derived from KDIGO 2012, Young 1987, StatPearls. Not medical advice. > Canonical page: https://elysiatools.com/en/tools/creatinine-unit-converter - **Category:** Health - **Keywords:** creatinine converter, creatinine unit, serum creatinine, mg dl, umol l, kidney function, aki, ckd, renal, nephrology, si units, lab medicine ## Overview Convert creatinine values between mg/dL and µmol/L using the standard factor of 88.4. Enter a value, choose the source and target units, and set the desired decimal places for a concise JSON result. ## Inputs - **Value** (number): The creatinine value to convert. - **Source Unit** (select): The unit of the input value. - **Target Unit** (select): The unit to convert into. - **Decimal Places** (number) ## When to use - Convert a serum or urine creatinine result from mg/dL to µmol/L. - Convert a creatinine result from µmol/L to mg/dL for comparison with another report. - Standardize creatinine units for kidney function review, laboratory work, or clinical documentation. ## How it works - Enter the creatinine value to convert. - Select the source unit: mg/dL or µmol/L. - Select the target unit: mg/dL or µmol/L. - Choose between 0 and 8 decimal places, then review the converted value and calculation method. ## Use cases - Compare creatinine results reported in conventional mg/dL units with results reported in SI µmol/L units. - Translate laboratory values for nephrology, renal, or laboratory medicine documentation. - Check unit conversions when reviewing elevated creatinine values or kidney function data. ## Frequently asked questions ### What creatinine units does this converter support? It converts between mg/dL and µmol/L. ### What conversion factor does it use? It uses 88.4: mg/dL × 88.4 = µmol/L, and µmol/L ÷ 88.4 = mg/dL. ### Can I choose the number of decimal places? Yes. You can select from 0 to 8 decimal places; the default is 2. ### Does the tool convert serum and urine creatinine? The conversion applies to creatinine values reported for serum or urine, provided the source unit is selected correctly. ### Is this converter medical advice? No. It performs unit conversion only. Discuss results and clinical interpretation with a qualified healthcare professional. ## Related tools - [A-a Gradient (Alveolar-Arterial O₂)](https://elysiatools.com/en/tools/a-a-gradient-calculator): Calculate the alveolar-arterial O₂ gradient to distinguish hypoxemia causes. PAO₂ = FiO₂×(P_atm−47) − PaCO₂/0.8; A-a = PAO₂ − PaO₂. Normal ≈ (Age+10)/4. Elevated → V/Q mismatch, shunt, diffusion impairment. Derived from StatPearls, LITFL, Cornell PICU, and Martin 1999. 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