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Popular Calculators
The most-used calculators on CalcMoney. Updated for 2026.
Mortgage Calculator
Calculate monthly payment with PMI, taxes & insurance
Take Home Pay
See your salary after federal & state taxes
Roth IRA Calculator
Project tax-free retirement growth
401(k) Calculator
Maximize employer match & retirement savings
Compound Interest
See your money grow exponentially
Income Tax Calculator
2026 brackets with new SALT $40K cap
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Loans & Mortgages
Calculate mortgage payments, auto loans, and personal loan costs
Investment
Plan your investments with compound interest and ROI calculators
Retirement
Plan for your retirement with 401k and IRA calculators
Salary & Career
Calculate salary increments, take-home pay, and compare raises vs bonuses
Business
Calculate profit margins, markups, break-even points, and freelance rates
Islamic Finance
Shariah-compliant tools for Zakat, Nisab, halal home financing, and dividend purification
Built for clarity and trust.
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Bank-Grade Math
The same formulas used by banks and financial institutions.
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All 73 Calculators
Every financial calculator you need, organized by category.
Loans & Mortgages
26 calculators
Investment
10 calculators
Retirement
10 calculators
Salary & Career
20 calculators
Business
4 calculators
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Detailed breakdowns, charts, and year-by-year projections on one page.
Mortgage Payment Tables
Monthly payments for common mortgage amounts at today's rates.
Financial Guides & Tips
Expert advice to help you make smarter money decisions
How Much House Can I Afford? The Complete Guide for Every Salary (2026)
How much house can I afford on my salary? Use the 28/36 rule with real examples at $50K-$200K income. Includes down payment, DTI, credit score impacts, and a free calculator.
Rent vs Buy Calculator Guide: The Honest Math Most People Get Wrong (2026)
Should you rent or buy a home? The honest financial comparison with real numbers at different price points. Includes the 5% rule, break-even analysis, and a free rent vs buy calculator.
How to Calculate Your Zakat in 2026 (A Simple, Honest Guide)
A plain guide to working out your Zakat. What counts, what does not, how Nisab fits in, and a worked example you can copy. Free Zakat calculator included.
What Is Nisab? How to Know If You Owe Zakat This Year
Nisab is the wealth threshold that decides whether Zakat is due. Learn the gold and silver standards, why they differ, and how to check where you stand.
Frequently Asked Questions
What is a financial calculator?
A financial calculator is a digital tool designed to help users perform complex financial computations quickly and accurately. These calculators can handle everything from simple interest calculations to sophisticated investment projections. Unlike basic calculators, financial calculators are programmed with specific formulas for mortgages, loans, investments, retirement planning, and more. They take the guesswork out of financial planning by providing precise figures based on the variables you input.
Are CalcMoney calculators really free?
Yes, every calculator on CalcMoney is 100% free with no registration, no email signup, and no hidden fees. We make money through optional embed partnerships and affiliate links to financial products — never by selling your data or charging for tools.
How accurate are your financial calculators?
Our calculators use the same mathematical formulas employed by banks and financial institutions. They are regularly tested for precision and updated for current tax brackets, contribution limits, and rates. While calculators provide highly accurate estimates, actual results may vary based on factors like market conditions, fees, and policy changes specific to your situation.
How do I use a mortgage calculator?
Enter your home price, down payment amount, interest rate, and loan term. The calculator instantly shows your estimated monthly payment. Our mortgage calculator also includes property taxes, homeowners insurance, and PMI for a complete PITI payment view. You can adjust variables to see how different scenarios affect your payment.
What is compound interest and how does it work?
Compound interest is interest calculated on both the initial principal and the accumulated interest from previous periods. This creates exponential growth over time. For example, $1,000 at 5% annual interest grows to $1,050 after year one. In year two, you earn interest on $1,050 (not just $1,000), giving you $1,102.50. This is why starting to save early is so powerful.
How do I calculate my take-home pay?
Take-home pay is your gross salary minus all deductions: federal and state income taxes, Social Security (6.2%), Medicare (1.45%), 401(k) contributions, health insurance, and other deductions. Our take-home pay calculator breaks down each deduction so you see exactly where your money goes — helping you optimize through tax-advantaged accounts.
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