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HbA1c Converter (% and mmol/mol)

Convert between NGSP percent and IFCC mmol/mol.

About HbA1c Converter (% and mmol/mol)

Convert between NGSP percent and IFCC mmol/mol. The HbA1c Converter (% and mmol/mol) on Picscaler gives you the answer instantly in your browser, with no sign-up.

Inputs: HbA1c value and Convert. Results shown: HbA1c (IFCC).

Formula: IFCC = (NGSP - 2.15) x 10.929; NGSP = IFCC / 10.929 + 2.15. Master equation from the IFCC/NGSP comparison.

This tool is for education and information. It does not replace clinical judgement, so confirm results against your laboratory's reference ranges and local guidelines.

How to use HbA1c Converter (% and mmol/mol)

  1. Enter HbA1c value.
  2. Choose Convert.
  3. Press Calculate.
  4. Read HbA1c (IFCC) in the result table.
  5. Use the formula and notes under the result to check the working.

Frequently asked questions

Is HbA1c Converter (% and mmol/mol) free?

Yes. HbA1c Converter (% and mmol/mol) is completely free to use on Picscaler.

Do I need to create an account?

No. You can use it straight away without signing up.

Is my data safe?

Your input is processed in your browser on your own device and is not uploaded to Picscaler.

Can I use it for medical decisions?

No. It is an educational aid and does not replace professional medical judgement.

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