A1C Calculator

Please discuss this additional information with your healthcare provider to gain a better understanding of your overall diabetes management plan. The calculation should not be used to make therapy decisions or changes.

✦ Trusted by 500,000+ diabetics worldwide

The Smarter Way to Track Your

Glucose Health

Free A1C calculator, blood sugar converter, HbA1C tools and 40+ diabetes calculators — all in one place. Clinically accurate. Instant results. No login.

✦ Trusted by 500,000+ diabetics worldwide

The Smarter Way to Track Your

Glucose Health

Free A1C calculator, blood sugar converter, HbA1C tools and 40+ diabetes calculators — all in one place. Clinically accurate. Instant results. No login.

A1C Calculator

Please discuss this additional information with your healthcare provider to gain a better understanding of your overall diabetes management plan. The calculation should not be used to make therapy decisions or changes.

📊 HbA1C Calculator ACCURATE ⚠️ Diabetes Risk TOOL⚠️ Diabetes Risk TOOL⚠️ Diabetes Risk TOOL 🩸 A1C Calcul 💉 Blood Sugar Converter INSTANT ⚠️ Diabetes Risk TOOL

Popular Calculators

A1C Calculator

Convert your HbA1C percentage to estimated average blood sugar. Uses the clinically validated ADAG formula from the American Diabetes Association.

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Blood Sugar Calculator

Check and interpret your glucose readings instantly.

HbA1C Calculator

International conversion between % and mmol/mol.

Blood Sugar Calculator

Check and interpret your glucose readings instantly.

HbA1C Calculator

International conversion between % and mmol/mol.

Blood Sugar Calculator

Check and interpret your glucose readings instantly.

HbA1C Calculator

International conversion between % and mmol/mol.

HbA1C Calculator

International conversion between % and mmol/mol.

Results in 3 Simple Steps

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Pick from 40+ free diabetes and glucose calculators. A1C, blood sugar, HbA1C and more.

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Pick from 40+ free diabetes and glucose calculators. A1C, blood sugar, HbA1C and more.

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Choose Your Calculator

Pick from 40+ free diabetes and glucose calculators. A1C, blood sugar, HbA1C and more.

See Your A1C at a Glance

Our visual glucose dashboard shows exactly where your A1C falls — normal, prediabetes, or diabetes range — with clear colour-coded zones.

A1C Dashboard — Sample: 7.2%
Diabetes Range
Your A1C Level
75%

<5.7%

Normal

<5.7%

Normal

<5.7%

Normal

<5.7%

Normal

<5.7%

Normal

<5.7%

Normal