Calculator Hub
Free Online Tools for Everyday Calculations
Percentage Calculator
Calculate percentages, increases, and discounts with ease
BMI Calculator
Calculate your Body Mass Index and health category
Age Calculator
Calculate exact age in years, months, and days
Loan Calculator
Calculate monthly payments, interest, and amortization schedule
Compound Interest Calculator
Calculate compound interest with contributions and visualize growth
Discount Calculator
Calculate discounts, find original prices, and compute double discounts
Unit Converter
Convert between length, weight, temperature, volume, area, and speed units
Date Calculator
Calculate days between dates or add/subtract days, weeks, months, years
Calorie Calculator
Calculate daily calorie needs, BMR, TDEE, and macros for your goals
Tax Calculator
Calculate sales tax, income tax, and find tax rates easily
Area Calculator
Calculate the area of rectangles, circles, triangles, and other shapes
Volume Calculator
Calculate the volume of cubes, spheres, cylinders, cones, and other 3D shapes
Speed Calculator
Calculate speed, distance, or time using the fundamental motion formula
Currency Converter
Convert between major world currencies with live exchange rates
Tip Calculator
Calculate tips and split bills easily among friends
GPA Calculator
Calculate your Grade Point Average from course grades
Body Fat Calculator
Estimate body fat percentage using the US Navy method
Savings Calculator
Calculate future savings with regular deposits and compound interest
ROI Calculator
Calculate Return on Investment and annualized returns
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions
Mortgage Calculator
Calculate mortgage payments, amortization, and total interest
Simple Interest Calculator
Calculate simple interest on loans and investments
NPV Calculator
Calculate Net Present Value for investment decisions
Ideal Weight Calculator
Calculate your ideal body weight based on height and frame size
Macro Calculator
Calculate daily macronutrient needs for your fitness goals
Heart Rate Calculator
Calculate target heart rate zones for optimal training
Square Root Calculator
Calculate square roots, cube roots, and nth roots
Prime Number Calculator
Check if a number is prime and find prime factors
Standard Deviation Calculator
Calculate standard deviation, variance, and statistical measures
Timezone Converter
Convert times between different time zones worldwide
Working Days Calculator
Calculate business days between dates excluding weekends
Password Strength Calculator
Analyze password strength and get security recommendations
Ohm's Law Calculator
Calculate voltage, current, resistance, and power using Ohm's Law
Force Calculator
Calculate force, mass, and acceleration using Newton's Second Law
Density Calculator
Calculate density, mass, or volume using the density formula