Calculator hub
Finance calculators and tools
Loan, investment, tax, salary, and repayment calculators for everyday money decisions.
Tool paths
Choose the right finance path
Start with the calculator closest to the question, then move sideways to related tools without returning to search.
Borrowing and repayment
Compare loans by payment, interest, refinance timing, and the total cost of borrowing.
Savings and investment returns
Move from simple growth checks to cash-flow return analysis without changing hubs.
Valuation and return analysis
Use richer finance pages when the question is business value, irregular cash flow, or accounting return.
Tax, GST, and payroll
Keep country-specific tax and contribution pages close to the broader money tools.
Useful starting points
Start with these finance tools
Compare money decisions with the right time period
Finance calculators are most useful when each input uses the same period, currency, and cash-flow timing. A monthly loan payment, annual return, APY, CD term, tax rate, and investment contribution answer different questions, so start by choosing the tool that matches the decision: borrowing, saving, investing, tax, payroll, or business return.
For savings and investment pages, keep the difference between nominal rate, APY, future value, NPV, and IRR visible. APY compares deposit yields after compounding, future value projects a balance, NPV translates cash flows into today's money, and IRR solves for the rate that makes those cash flows break even.
For real decisions, replace defaults with current rates, fees, and terms from the provider. The calculator can show the math clearly, but it cannot know lender fees, withdrawal penalties, tax treatment, investment risk, or product rules unless those are entered or checked separately.
- Match monthly and annual inputs before comparing results.
- Use APY for deposit-yield comparison and NPV or IRR for cash-flow projects.
- Check fees, taxes, penalties, and provider terms before committing money.