Simple calculators for everyday use
Simple Calc Guide offers easy-to-use calculators and practical guides to help you better understand everyday topics such as nutrition, caffeine intake, and coffee brewing.
All tools are designed to provide quick estimates for informational purposes only, without unnecessary complexity.
Our calculators
- Protein Intake Calculator
Estimate your daily protein needs based on body weight, activity level, and goals. - Calorie Deficit Calculator
Calculate a daily calorie target to support weight loss or maintenance. - Caffeine Intake Calculator
Get an overview of your daily caffeine intake from common beverages. - Coffee Ratio Calculator
Calculate water amounts for pour-over and drip coffee using brew ratios.
All calculators on this website are provided for informational purposes only and do not constitute professional advice.