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How to Calculate Nutrition

What is Nutrition?

The nutrition calculator hub covers calorie counting, macro tracking, vitamin and mineral RDAs, food label interpretation, glycemic load, and dietary goal planning.

Formula

BMR × activity factor = TDEE (calorie maintenance)
BMR
TDEE (calorie maintenance) — TDEE (calorie maintenance)

Step-by-Step Guide

  1. 1Calories: protein 4 kcal/g, carbs 4 kcal/g, fat 9 kcal/g, alcohol 7 kcal/g
  2. 2Macro split: 40% carbs / 30% protein / 30% fat is a common balanced starting point
  3. 3RDA varies by age, sex, and health status
  4. 4BMR × activity factor = TDEE (calorie maintenance)

Worked Examples

Input
150g chicken breast (31g protein, 3.6g fat)
Result
Calories = 31×4 + 3.6×9 = 124 + 32.4 = 156 kcal

Frequently Asked Questions

What is Nutrition?

The nutrition calculator hub covers calorie counting, macro tracking, vitamin and mineral RDAs, food label interpretation, glycemic load, and dietary goal planning. Use this calculator for accurate, instant results.

How accurate is the Nutrition calculator?

The calculator uses the standard published formula for nutrition. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Nutrition calculator use?

This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Nutrition calculator use?

The calculator applies the standard formula for this type of calculation. See the 'How It Works' steps above for the detailed formula breakdown.

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