Creatine calculator
Loading and maintenance ranges by body weight, without pretending maintenance needs milligram-level precision.
Calculate your dose →Numbers you can inspect
Supplement calculators without the false precision.
Get a practical range, see the formula behind it, and check the research yourself. No quiz funnel and no upsell disguised as medical advice.
Live tools
Start with the number you need.
Creatine water intake
A baseline hydration range adjusted for body weight, training and heat—with an important creatine caveat.
Estimate water intake →Protein intake
A daily protein range based on body weight and goal, grounded in sports-nutrition evidence.
Calculate protein →Caffeine calculator
A conservative performance range that respects the widely used 400 mg daily ceiling for healthy adults.
Calculate caffeine →