Powerful Calculators for Every Need
From math and finance to health and education, we provide accurate, easy-to-use calculators for students, professionals, and everyday life.
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Featured Calculators
GPA Calculator
Calculate your Grade Point Average with support for percentage grades, different scales, and AP/IB classes.
Available
BMI Calculator
Calculate your Body Mass Index and discover your health category with professional printable report.
Available
Salary Calculator
Calculate hourly, weekly, monthly, and annual pay with holiday and vacation adjustments.
Available
Percentage Calculator
Calculate percentage increase, decrease, difference, and more with 8 different calculation types.
Available
Age Calculator
Calculate your exact age in years, months, days, hours, minutes and seconds.
Available
Math Calculators
Scientific Calculator
Advanced calculator with scientific functions for complex mathematical calculations.
Coming Soon
Fraction Calculator
Perform operations with fractions including addition, subtraction, multiplication, and division.
Available
Percentage Calculator
Calculate percentage increase, decrease, difference, and more.
Available
Random Number Generator
Generate random numbers within a specified range for various applications.
Available
Triangle Calculator
Calculate triangle properties including angles, sides, area, and perimeter.
Coming Soon
Standard Deviation Calculator
Calculate standard deviation, variance, and other statistical measures.
Coming Soon
Financial Calculators
Salary Calculator
Calculate hourly, weekly, monthly, and annual pay with adjustments.
Available
Mortgage Calculator
Calculate mortgage payments, interest, and amortization schedules.
Coming Soon
Loan Calculator
Calculate loan payments, interest rates, and repayment schedules.
Coming Soon
Auto Loan Calculator
Calculate car loan payments, interest, and total cost of ownership.
Coming Soon
Interest Calculator
Calculate simple and compound interest for savings and investments.
Coming Soon
Payment Calculator
Calculate payment schedules for various financial products.
Coming Soon
Health Calculators
BMI Calculator
Calculate Body Mass Index and health assessment.
Available
Calorie Calculator
Calculate daily calorie needs for weight loss, maintenance, or gain.
Available
Body Fat Calculator
Estimate body fat percentage using various methods.
Coming Soon
BMR Calculator
Calculate Basal Metabolic Rate – calories burned at rest.
Coming Soon
Ideal Weight Calculator
Calculate healthy weight range based on height and body type.
Coming Soon
Pace Calculator
Calculate running pace for various distances and times.
Coming Soon
Education Calculators
Other Calculators
Age Calculator
Calculate exact age in years, months, days, hours, minutes and seconds.
Available
Date Calculator
Calculate the difference between dates or add/subtract days from a date.
Coming Soon
Time Calculator
Add or subtract time, calculate duration between times.
Coming Soon
Hours Calculator
Calculate total hours worked, overtime, and pay.
Coming Soon
Concrete Calculator
Calculate concrete volume needed for construction projects.
Coming Soon
Subnet Calculator
Calculate subnet masks, network addresses, and host ranges.
Coming Soon
Comprehensive Collection
CalculusHub offers a wide range of free online calculators for math, finance, health, education, and everyday use.
Constantly Expanding
We’re continuously adding new calculators and improving existing ones. Check back regularly for new tools.
Mobile-Friendly
All our calculators are optimized for mobile devices, ensuring you get the same great experience on any device.
Educational Focus
At CalculusHub, we believe in making mathematical and analytical tools accessible to everyone.