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
Financial Calculators
Sales Tax Calculator
Calculate sales tax amounts for purchases and determine total costs with tax included.
Available
Salary Calculator
Calculate hourly, weekly, monthly, and annual pay with adjustments.
Available
Retirement Calculator
Plan your retirement savings and calculate how much you need to save for retirement.
Coming Soon
Payment Calculator
Calculate payment schedules for various financial products.
Coming Soon
Mortgage Calculator
Calculate mortgage payments, interest, and amortization schedules.
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Loan Calculator
Calculate loan payments, interest rates, and repayment schedules.
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Investment Calculator
Calculate investment growth, returns, and future value of investments.
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Interest Rate Calculator
Calculate effective interest rates and compare different loan or investment options.
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Interest Calculator
Calculate simple and compound interest for savings and investments.
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Inflation Calculator
Calculate the effect of inflation on purchasing power over time.
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Income Tax Calculator
Calculate income tax liability based on income, deductions, and filing status.
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Compound Calculator
Calculate compound interest and growth for investments and savings.
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Auto Loan Calculator
Calculate car loan payments, interest, and total cost of ownership.
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Amortization Calculator
Calculate loan amortization schedules with principal and interest breakdowns.
Coming Soon
Finance Calculator
Comprehensive financial calculator for various financial calculations.
Coming Soon
Fitness & Health Calculators
BMI Calculator
Calculate Body Mass Index and health assessment.
Available
BMR Calculator
Calculate Basal Metabolic Rate – calories burned at rest.
Coming Soon
Body Fat Calculator
Estimate body fat percentage using various methods.
Coming Soon
Calorie Calculator
Calculate daily calorie needs for weight loss, maintenance, or gain.
Available
Due Date Calculator
Calculate pregnancy due date based on last menstrual period or conception date.
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
Pregnancy Calculator
Track pregnancy progress and calculate key milestones.
Coming Soon
Pregnancy Conception Calculator
Calculate conception date based on due date or current pregnancy stage.
Coming Soon
Math Calculators
Fraction Calculator
Perform operations with fractions including addition, subtraction, multiplication, and division.
Available
Random Number Generator
Generate random numbers within a specified range for various applications.
Available
Scientific Calculator
Advanced calculator with scientific functions for complex mathematical calculations.
Coming Soon
Percentage Calculator
Calculate percentage increase, decrease, difference, and more.
Available
Standard Deviation Calculator
Calculate standard deviation, variance, and other statistical measures.
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Triangle Calculator
Calculate triangle properties including angles, sides, area, and perimeter.
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Time Calculators
Age Calculator
Calculate exact age in years, months, days, hours, minutes and seconds.
Available
Time Calculator
Add or subtract time, calculate duration between times.
Coming Soon
Hour Calculator
Calculate total hours worked, overtime, and pay.
Coming Soon
Date Calculator
Calculate the difference between dates or add/subtract days from a date.
Coming Soon
Other Calculators
Concrete Calculator
Calculate concrete volume needed for construction projects.
Coming Soon
Conversion Calculator
Convert between different units of measurement for length, weight, volume, and more.
Coming Soon
GPA Calculator
Calculate Grade Point Average and generate GPA reports.
Available
Password Generator
Generate secure, random passwords with customizable length and character types.
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.