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Creatinine Unit Converter (mg/dL ↔ µmol/L)

· Last updated：2026-08-13

This tool is for informational purposes only and does not constitute medical, financial, or legal advice; consult a qualified professional for advice.

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.

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Tool usage guide

Learn when to use this tool, what it supports, and how real users apply it.

Key facts

Category
Health
Input types
number, select
Output type
json
Sample coverage
4
API ready
Yes

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.

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

  1. 1Enter the creatinine value to convert.
  2. 2Select the source unit: mg/dL or µmol/L.
  3. 3Select the target unit: mg/dL or µmol/L.
  4. 4Choose 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.

Examples

1. Convert a high-normal creatinine result

Clinician or laboratory professional

Background

A creatinine result is reported as 1.35 mg/dL, but the receiving record uses µmol/L.

Problem

The value needs to be converted without changing the selected precision.

How to use

Enter 1.35 as the value, select mg/dL as the source unit, select µmol/L as the target unit, and set decimal places to 2.

value: 1.35; sourceUnit: mgdl; targetUnit: umol; decimalPlaces: 2

Outcome

The converter returns 119.34 µmol/L and reports the method as mg/dL × 88.4.

2. Convert an elevated creatinine value to mg/dL

Healthcare data reviewer

Background

A laboratory report lists creatinine as 150 µmol/L, while another reference uses mg/dL.

Problem

The result must be expressed in mg/dL for consistent review.

How to use

Enter 150 as the value, select µmol/L as the source unit, select mg/dL as the target unit, and set decimal places to 2.

FAQ

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.

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value: 150; sourceUnit: umol; targetUnit: mgdl; decimalPlaces: 2

Outcome

The converter returns 1.70 mg/dL and reports the method as µmol/L ÷ 88.4.