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Smart Financial Calculators

Free, fast & private — all calculations run in your browser.

9+Free Tools

14Languages

100%Private

💰 Finance Calculators

Mortgage Calculator

Monthly payments, total interest, amortization.

Credit Card Payoff

Debt-free date and total interest paid.

Loan Calculator

Personal, auto & student loan payments.

Compound Interest

Watch your investments grow over time.

Retirement Calculator

Plan your 401k, IRA and savings goals.

Estimate income tax and paycheck.

Salary Calculator

Hourly to annual, gross to net.

Percentage Calculator

Discount, tip, increase and tax.

🏥 Health Calculators

BMI / TDEE Calculator

Body mass index and daily calorie needs.

🔢 Math

Percentage Calculator

Discount, tip, increase and tax.

📖 Guides & Articles

How to Pay Off Credit Card Debt Fast

Avalanche vs snowball method, balance transfers, and your debt-free date.

How to Calculate Your Mortgage Payment

The formula, PITI breakdown, 30 vs 15-year, and how to lower your payment.

How Much Do You Need to Retire?

The 4% rule, savings targets by age, and how to catch up if you're behind.

What Is a Healthy BMI?

BMI chart, healthy weight by height, BMI limitations, and what else to measure.

Average CEO Salary in 2026

Realistic CEO pay by company size, industry, and state — from small business to Fortune 500.

What Is a Good Credit Score?

Credit score ranges, what they mean for loans, and proven ways to improve your number.

How Much House Can I Afford?

The 28/36 rule, what lenders actually approve, and the costs first-time buyers forget.

Average American Salary in 2026

Median income by age, state, education level, and occupation — how does your pay compare?

How Much Should I Have in Savings?

Savings benchmarks by age, emergency fund targets, and the savings rate that actually matters.

What Is Debt-to-Income Ratio?

How to calculate your DTI, what lenders want to see, and how to lower it before applying.

How to Calculate Your Net Worth

Assets vs. liabilities, average net worth by age, and how to track your financial progress.

What Is a Good Salary in 2026?

Comfortable salary by city and life stage — what you actually need to live well.

How Many Calories Should I Eat?

Calculate your TDEE and daily calorie target for weight loss, maintenance, or gain.

How to Calculate Income Tax

2026 tax brackets explained, marginal vs. effective rate, and how deductions reduce your bill.

How to Build an Emergency Fund

How much to save, where to keep it, and how to get there faster even on a tight budget.

How Compound Interest Works

The math that makes savings grow exponentially — and works against you with debt.

How to Negotiate Your Salary

Scripts, tactics, and what really works — for job offers and raise conversations.

Rent vs. Buy: The Honest Math

Everyone says buying beats renting. Here's what the numbers actually say.

How to Start Investing With Little Money

$50/month beats waiting years to start with $500/month. Here's how to begin now.

The True Cost of Owning a Car

The payment is just the start. Your car probably costs $1,000+/month all-in.

Why Your Budget Keeps Failing

It's not a willpower problem. Here's the real reason — and a simpler system.

How to Build Credit From Scratch

No credit history? Step-by-step guide to a solid score starting from zero.

How to Make Extra Money on the Side

Side income ranked by real hourly rate — not hype. What's actually worth your time.

Free Online Calculators — Fast, Private & Accurate

myclacks provides free, browser-based financial and health calculators that work instantly without any sign-up, download, or data collection. Every calculation runs entirely on your device — your numbers never leave your browser.

Whether you're planning a home purchase, paying down debt, estimating your taxes, or tracking your retirement savings, our tools give you clear, accurate answers in seconds. Available in 14 languages for users across the US, EU, Canada, and beyond.