Health & Fitness · Free tool
Carbohydrate Calculator
Calculate daily carb grams from calories, activity, and diet (balanced, low-carb, keto). Pairs with the macro calculator.
Updated April 2026
250 g carbs / day
50% of 2000 kcal = 1000 kcal from carbs
Per meal (grams)
83 g
Per meal (cals)
333 kcal
Based on 3 meals per day. 1 g carb = 4 kcal.
Estimate only — consult a doctor or RD for medical advice.
Advertisement
What it does
Calculate daily carb grams from calories, activity, and diet (balanced, low-carb, keto). Pairs with the macro calculator.
Runs entirely in your browser — no upload, no account, no watermark. For more tools in this category see the full tools index.
How to use it
- Fill in the inputs or drop your file.
- Click the primary button to run.
- Copy or download the result.