Practical tools for everyday decisions

Useful calculators.
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A focused collection of practical calculators for investing, savings, personal finance, loans, business, and everyday money decisions.

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Investing Savings Personal Finance Loans Business Everyday Money

Popular calculators

9 practical starting points

Percentage CalculatorSolve common percentage and percentage-change questions. Mortgage CalculatorEstimate monthly mortgage principal and interest. Loan Payment CalculatorEstimate monthly loan payments and total interest. Compound Interest CalculatorProject long-term growth with compounding and contributions. Savings CalculatorEstimate how savings may grow from deposits and interest. Salary ConverterConvert hourly pay into weekly, monthly, and annual income. ROI CalculatorMeasure investment return relative to total cost. Discount CalculatorCalculate final prices after one or more discounts. Sales Tax CalculatorCalculate sales tax and the final purchase price.

Browse by category

36 calculators · 6 categories

Investing & Growth

10 calculators

Compound Interest Calculator CAGR Calculator ROI Calculator Investment Return Calculator Simple Interest Calculator Future Value Calculator Present Value Calculator Inflation Calculator Investment Fee Calculator Rule of 72 Calculator

Savings & Retirement

5 calculators

Savings Calculator Savings Goal Calculator Retirement Savings Calculator Retirement Withdrawal Calculator Savings Rate Calculator

Personal Finance

4 calculators

Emergency Fund Calculator Monthly Budget Calculator Salary Converter Net Worth Calculator

Loans, Debt & Home

7 calculators

Loan Payment Calculator Mortgage Calculator APR Calculator Extra Loan Payment Calculator Debt Payoff Calculator Debt-to-Income Ratio Calculator Loan Comparison Calculator

Business & Pricing

5 calculators

Profit Margin Calculator Break-even Calculator Markup Calculator Payback Period Calculator Contribution Margin Calculator

Everyday Money

5 calculators

Percentage Calculator Discount Calculator Sales Tax Calculator Unit Price Calculator Price Increase Calculator

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Clear calculations Transparent formulas and assumptions

Global-friendly formats Multi-currency support where relevant

Practical by design Focused tools without unnecessary complexity