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Health & fitness

Creatine calculator

Use your body weight to calculate a creatine range of 0.03 to 0.05 g per kg per day. The calculator explains the arithmetic and rounding. It does not assess whether creatine is suitable for you or replace individual advice about taking it.

Your result

Complete the fields and calculate.

Calculation method and formula

Body weight [kg] × 0.03 … Body weight [kg] × 0.05

Understand the inputs

Body weight
Unit: kg. Use a measured value or your own assumption.

Assumptions and limitations

The range follows the stored 0.03–0.05 g/kg model. It is not a personal dosing recommendation. Suitability, medical conditions, medication and product quality are not assessed.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Body weight
75 kg
Example result2.3 – 3.8 g/day

Guide range of 0.03–0.05 g per kg body weight; discuss individual suitability with a clinician.

For 75 kg, the arithmetic is 75 × 0.03 = 2.25 g and 75 × 0.05 = 3.75 g. Rounded to one decimal place, the display is 2.3–3.8 g per day. This is the output of this calculation model, not an individually assessed prescription.

Sources and background: NIH ODS: exercise and supplements

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

Which formula does the creatine calculator use?+

The lower bound is body weight in kg × 0.03 and the upper bound is body weight in kg × 0.05. Both are displayed in grams per day with one decimal place. The tool does not include a loading phase or a training or supplementation schedule.

Can the calculator tell me whether I should take creatine?+

No. It considers only the weight entered. Studies and professional guidance describe different supplementation protocols; this model does not represent all of them. If you have medical conditions, take medicines, are pregnant or are breastfeeding, discuss suitability with a clinician.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Health values are general information, not a diagnosis or personal treatment recommendation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

Toolbox

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