Health & Fitness
Caffeine Performance Dosing Calculator
Work out a pre-workout caffeine dose in the evidence-based 3–6 mg/kg range.
Preparing your result…
What this calculator does
Calculates Caffeine Performance Dosing Calculator using the formula verified against the cited source.
What your result means
An estimate from the inputs you enter, within the scope stated below — not advice.
Formula
Dose = bodyweight × mg per kg
The step-by-step working for your own numbers appears with the result above and in the PDF report.
Frequently asked questions
Symbols and assumptions
- Inputs
- The values entered in the fields above
- • For an explicitly chosen dose: caffeine mg=body kg×dose mg/kg. Beverage-equivalent cups=caffeine mg/assumed caffeine mg per cup, if that concentration is known and positive.
Sources and review
Reviewed 2026-10-18 · Next review 2027-04-18
- • ISSN adult exercise research commonly examines 3–6 mg/kg, not a universal recommendation for all users. Coffee caffeine varies: do not silently assume a cup concentration or treat cups as precise dosing. Count other caffeine sources and identify the population and chosen dose.
Important limitation
This is an educational estimate based only on the values and formula shown. Verify current rates, rules, units, and professional standards before relying on the result. It is not personalized financial or investment advice.
Quick reference
| Scenario | Body weight (kg) | Dose (mg/kg) | Caffeine per coffee (mg) | Pre-workout caffeine dose |
|---|---|---|---|---|
| Worked example | 75 | 4 | 95 | 300 mg |
| Half the amounts | 37.5 | 2 | 50 | 75 mg |
| Double the amounts | 150 | 8 | 190 | 1,200 mg |
Need the full picture? Get the detailed PDF report with charts, tables, formulas and working steps.
Reviewed 2026-10-18 · Next review 2027-04-18
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