Carb Intake Calculator
Carb Intake Calculator: free, instant and private. Pick the split you can actually follow: balanced suits most people, high-protein suits cutting phases, keto suits those who genuinely prefer it — adherence beats optimisation.
How the Carb Intake Calculator works
The Carb Intake Calculator takes Daily calories (kcal), Macro split and returns the answer instantly — no button to hunt for, no page reload. Pick the split you can actually follow: balanced suits most people, high-protein suits cutting phases, keto suits those who genuinely prefer it — adherence beats optimisation. Convert the protein grams into palm-sized portions and the rest of the plate follows.
Enter your own numbers to replace the example values; the result panel updates as you type. Everything runs in this single page, so nothing you enter leaves your device.
Formula used
grams = (calories × share) ÷ 4 for protein/carbs, ÷ 9 for fat
| Symbol | Meaning |
|---|---|
| protein | 4 kcal per gram — the lever that protects muscle |
| carbs | 4 kcal per gram — training fuel |
| fat | 9 kcal per gram — never below about 0.5 g/kg bodyweight |
Pick the split you can actually follow: balanced suits most people, high-protein suits cutting phases, keto suits those who genuinely prefer it — adherence beats optimisation. Convert the protein grams into palm-sized portions and the rest of the plate follows.
Inputs used: Daily calories (kcal), Macro split.
Worked example
Take the default example — daily calories (kcal) of 2200, macro split set to Balanced 30/40/30:
- Protein: 165
- Carbs: 220
- Fat: 73
- Daily calories: 2,200
Frequently asked questions
- What formula does the Carb Intake Calculator use?
- It uses grams = (calories × share) ÷ 4 for protein/carbs, ÷ 9 for fat, where protein is the 4 kcal per gram — the lever that protects muscle; carbs is the 4 kcal per gram — training fuel; fat is the 9 kcal per gram — never below about 0.5 g/kg bodyweight.
- Is the Carb Intake Calculator free?
- Yes. There is no signup, no usage limit and no watermark — the calculator runs entirely in your browser.
- How do I read the result?
- Pick the split you can actually follow: balanced suits most people, high-protein suits cutting phases, keto suits those who genuinely prefer it — adherence beats optimisation. Convert the protein grams into palm-sized portions and the rest of the plate follows.
- Does the Carb Intake Calculator store or send my data?
- No. Every calculation happens locally in the page, so the numbers you type are never uploaded or logged.
- Does it work on a phone and offline?
- Yes — the page is a single lightweight file that adapts to any screen size. Once it has loaded it keeps working without a network connection.