doomath Calculator
Macro Calculator
Turn a calorie target into estimated protein, carbohydrate and fat targets.
InputsChange a value to recalculate instantly
ResultUpdates as you type
How it worksTransparent math
Calculation details are shown above.
Result breakdownSee the important numbers together
1Protein120 g/day
2Fat66.67 g/day
3Carbohydrates330 g/day
4Macro calories2,400 kcal/day
λ DooMathWork with this calculation
Local · deterministic · optionalQuick mathNatural-language-style shortcuts for deterministic arithmetic.
Calculator guide
How to use the Macro Calculator
Turn a calorie target into estimated protein, carbohydrate and fat targets.
01Set inputsChoose values, units and assumptions.
02Apply the modelUse the stated mathematical relationship.
03Read the resultCheck the output against the assumptions before using it.
What this calculator does
Turn a calorie target into estimated protein, carbohydrate and fat targets.
Formula & method
The result is calculated from the inputs and assumptions shown in the calculator.
Assumptions & notes
Review the inputs, units and assumptions before using the result for a real decision.