Finance Tools
Loans, taxes, currency and investment calculators.
19 free tools · no sign-up · runs in your browser
Calculate monthly loan payments, total interest and a full amortization schedule.
Estimate your monthly mortgage payment including principal, interest, property tax and insurance.
Compute your Equated Monthly Installment (EMI) with a principal-vs-interest breakdown.
See how savings grow with compound interest and regular contributions over time.
Calculate simple interest and the total amount from principal, rate and time.
Project investment growth with monthly contributions and see your total ROI.
Find out how much to save each month to reach a financial goal by a target date.
Project your retirement nest egg and sustainable annual income using the 4% rule.
Add or remove VAT at any rate and see the net, VAT and gross amounts.
Add sales tax to a price and see the tax amount and final total.
Calculate the tip and split the bill evenly between any number of people.
Work out the sale price and how much you save from a percentage discount.
Convert pay between hourly, daily, weekly, monthly and annual amounts.
See how inflation changes the future cost and buying power of money over time.
See a full year-by-year breakdown of loan payments, interest and balance.
Find out how long to clear your credit card and the total interest you'll pay.
Add up your assets and subtract debts to see your total net worth.
Convert between 15+ world currencies with editable, offline-friendly rates.
Estimate how long it takes an investment to double, or the rate needed to double it.
About Finance Tools
Loans, taxes, currency and investment calculators. All 19 tools in this collection are free and run entirely in your browser — there's no sign-up, nothing to install, and your data never leaves your device. Pick a tool above to get started, or read the step-by-step how-to guides for each one.
Frequently asked questions
Are these finance tools free?＋
Yes — every tool in the Finance Tools collection is completely free, with no sign-up, no watermark and no limits on the core features.
Do the finance tools work on mobile?＋
Yes. They run in any modern web browser on phone, tablet or desktop, and many keep working offline once you've opened them.
Is my data safe?＋
Yes — these tools run entirely in your browser, so your files, text and data are processed locally and never uploaded to a server.