A1C to Blood Sugar Calculator

Free online A1C to Blood Sugar Calculator – Calculate Average Blood Sugar from A1C just enter A1C in percent (%) then click the calculate button.

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Average Blood Sugar:
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A1C to Blood Sugar Formula

There is no direct conversion between blood sugar and A1C. However, there are some formulas that can be used to estimate the average blood sugar level from an A1C result.

  • Average Blood Sugar (mg/dL) = (A1C * 28.7) – 46.7
  • Average Blood Sugar (mmol/L) = (A1C * 1.59) – 2.04

A1C to Blood Conversion Chart

A1CAverage Blood SugarA1CAverage Blood Sugar
1 %-18 mg/dL2 %10.7 mg/dL
3 %39.4 mg/dL4 %68.1 mg/dL
5 %96.8 mg/dL5.1 %99.7 mg/dL
5.2 %102.5 mg/dL5.3 %105.4 mg/dL
5.4 %108.3 mg/dL5.5 %111.1 mg/dL
5.6 %114 mg/dL5.7 %116.9 mg/dL
5.8 %119.8 mg/dL5.9 %122.6 mg/dL
6 %125.5 mg/dL6.1 %128.4 mg/dL
6.2 %131.2 mg/dL6.3 %134.1 mg/dL
6.4 %137 mg/dL6.5 %139.8 mg/dL
6.6 %142.7 mg/dL6.7 %145.6 mg/dL
6.8 %148.5 mg/dL6.9 %151.3 mg/dL
7 %154.2 mg/dL7.1 %157.1 mg/dL
7.2 %159.9 mg/dL7.3 %162.8 mg/dL
7.4 %165.7 mg/dL7.5 %168.6 mg/dL
7.6 %171.4 mg/dL7.7 %174.3 mg/dL
7.8 %177.2 mg/dL7.9 %180 mg/dL
8 %182.9 mg/dL8.5 %197.3 mg/dL
9 %211.6 mg/dL9.5 %225.9 mg/dL
10 %240.3 mg/dL10.5 %254.6 mg/dL
11 %269 mg/dL11.5 %283.4 mg/dL

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Reference:-


https://pubmed.ncbi.nlm.nih.gov/18540046/

https://my.clevelandclinic.org/health/diagnostics/9731-a1c

https://www.childrensdayton.org/sites/default/files/EP8215_A1CConversionTableCard_Print.pdf