Calculator Inputs and Outputs
Inputs
- Caffeine intake (mg) — example: 200
- Body weight (kg) — example: 70
Results
- Caffeine per kilogram (mg/kg)
- Caffeine entered (mg)
Formula used
Caffeine per kilogram = caffeine intake ÷ body weight.
How to Use the Caffeine per Body Weight Calculator
- Enter each requested input using consistent units.
- Select Calculate Caffeine per Body Weight.
- Review the primary answer and supporting results.
Inputs
- Caffeine intake: enter a value in mg.
- Body weight: enter a value in kg.
Formula
Caffeine per kilogram = caffeine intake ÷ body weight.
Results
- Caffeine per kilogram in mg/kg.
- Caffeine entered in mg.
Accuracy and Limits
Use measured inputs and keep units consistent. Results are estimates and should be independently checked before financial, medical, construction, scientific, legal, or safety-critical decisions.
Calculation Standards
This tool uses documented formulas and high-precision internal values. Displayed results may be rounded for readability. Review the assumptions and verify important decisions with a qualified professional.
Read our calculation methodology