CalculatorsHub
30+ free online calculators for health, fitness, math, education, time, and more.
Get accurate calculations for BMI, GPA, age, subnets, passwords, and conversions with our modern, user-friendly tools.
Calculator Grid
Health & Fitness
BMI Calculator
Health & FitnessCalculate your Body Mass Index
Calorie Calculator
Health & FitnessCalculate daily calorie needs
Body Fat Calculator
Health & FitnessEstimate body fat percentage
BMR Calculator
Health & FitnessCalculate Basal Metabolic Rate
Ideal Weight Calculator
Health & FitnessFind your ideal weight range
Pace Calculator
Health & FitnessCalculate running/walking pace
Pregnancy
Math & Statistics
Scientific Calculator
Math & StatisticsAdvanced mathematical calculations
Fraction Calculator
Math & StatisticsAdd, subtract, multiply, divide fractions
Percentage Calculator
Math & StatisticsCalculate percentages and percentage changes
Random Number Generator
Math & StatisticsGenerate random numbers within a range
Triangle Calculator
Math & StatisticsCalculate triangle area, perimeter, and angles
Standard Deviation Calculator
Math & StatisticsCalculate mean, variance, and standard deviation
Average Calculator
Math & StatisticsCalculate various types of averages and statistics
Number Systems
Time & Date
Education
Network & Security
Accurate Online Calculators
Our calculators are designed to provide accurate results based on scientific formulas and mathematical principles. Whether you're tracking your fitness goals, solving math problems, or monitoring your health, we have the tools you need.
Accurate Results
Based on proven scientific formulas and medical guidelines
Privacy First
Your data stays in your browser - we don't store any personal information
Free to Use
All calculators are completely free with no hidden fees