Smarter tools for everyday health

Free Health & Fitness Calculators

Calculate your daily calories, BMI, body fat, and meal nutrition with simple, science-based tools.

No account required Free to use
Daily overview Your numbers, simplified
2,340kcal / day
Estimated energy Daily calorie needs Example result
BMI22.4
Body fat18.5%
Meal protein42 g
Science-basedCommon formulas
Quick resultsSimple inputs
Built for clarity

Why Use volcaprint?

Helpful estimates should be easy to access, simple to understand, and honest about what they can tell you.

Simple & Fast

Get useful estimates in seconds.

Science-Based

Our tools use widely recognized formulas.

100% Free

Use all calculators without creating an account.

Three clear steps

How It Works

Each calculator is designed to turn a few basic details into a result you can understand.

Enter Your Information

Add the simple measurements or activity details requested by the tool.

Get Your Result

Receive a clear estimate based on a widely used calculation method.

Understand Your Numbers

Read plain-language context to help you interpret the estimate responsibly.

Learn at your own pace

Health & Fitness Guides

View All Articles
01

What Is TDEE and Why Does It Matter?

Learn what your total daily energy expenditure represents and how it fits into everyday planning.

Read guide
02

How Many Calories Should You Eat Per Day?

A clear look at the main factors that influence your daily energy needs.

Read guide
03

Understanding BMI: What Your Number Means

Understand what BMI can indicate, along with the important limits of the measurement.

Read guide
04

BMR vs TDEE: What’s the Difference?

See how resting energy needs differ from the calories you use across a full day.

Read guide
05

How to Calculate a Safe Calorie Deficit

Explore the basics of gradual calorie reduction and why sustainable pacing matters.

Read guide
06

Understanding Macronutrients

A practical introduction to protein, carbohydrates, and fats in a balanced diet.

Read guide

Health disclaimer

volcaprint provides estimates for educational and informational purposes only. Results are not medical advice and should not replace guidance from a qualified healthcare professional.

Read disclaimer