Calculator directory
A focused library of financial estimate tools.
Choose a calculator below. Each tool is built to show the estimate clearly, explain the method, and offer a simplified embed version for professional websites.
These tools are best used for quick planning estimates. For tax, legal, financial, or investment decisions, use the result as a starting point and speak with a qualified professional.
Compound Interest
Estimate how savings or investments can grow over time with monthly contributions and compounding.
Best for
Savings goals, Investment scenarios, Contribution planning
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Loan Payment
Estimate a monthly payment, total paid, and total interest for a fixed-rate installment loan.
Best for
Personal loans, Auto loan estimates, Monthly payment planning
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Credit Card Payoff
Estimate how long it may take to pay off a credit card balance and how much interest could be paid.
Best for
Payoff planning, Interest cost estimates, Payment comparisons
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Mortgage Payment
Estimate a monthly mortgage payment including principal, interest, taxes, insurance, and HOA.
Best for
Home purchase planning, Monthly housing estimates, Tax and insurance scenarios
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Self-Employment Set-Aside
Estimate a simple tax reserve for self-employment or 1099 income based on expected profit and a planning percentage.
Best for
1099 income, Freelance planning, Tax reserve estimates
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Quarterly Tax Estimate
Estimate a simple quarterly tax payment target based on expected annual tax, withholding, prior payments, and remaining payment periods.
Best for
Estimated payments, Tax planning checkups, Contractor cash flow
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