Health calculator
Macro Calculator
Split daily calories into protein, carbohydrates, and fat gram targets.
Formula
Macro calorie conversion
Macro targets are planning estimates and should not replace nutrition or medical guidance.
Protein and carbs use 4 kcal/g; fat uses 9 kcal/g
2,000 kcal at 30% protein equals 150 g protein.
FAQs
Are macro targets medical advice?+
No. They are planning estimates and should be adjusted for your goals and health needs.
How does the Macro Calculator calculate the result?+
It uses the Macro calorie conversion: Protein and carbs use 4 kcal/g; fat uses 9 kcal/g. 2,000 kcal at 30% protein equals 150 g protein.
What information do I need to use the Macro Calculator?+
Split daily calories into protein, carbohydrates, and fat gram targets.
How accurate is the Macro Calculator?+
Macro Calculator applies the formula and assumptions shown on this page. Results may be rounded for readability, so verify changing rates, thresholds, medical guidance, or legal rules with the cited source or a qualified professional.
What should I check before using the Macro Calculator result?+
Check that the units, dates, rates, and assumptions match your situation. Change one input at a time to understand which values have the largest effect on the result.
Health guide
How to use the Macro Calculator
Split daily calories into protein, carbohydrates, and fat gram targets. The page also explains the macro calorie conversion and shows a practical example: 2,000 kcal at 30% protein equals 150 g protein.
- 1
Enter your details
Enter the values for the macro calculator scenario you want to check.
- 2
Check the calculation
Review the result alongside the macro calorie conversion: Protein and carbs use 4 kcal/g; fat uses 9 kcal/g.
- 3
Compare scenarios
Change one or more inputs to see how they affect the macro Calculator result before you use the estimate.
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