Calculators

Financial calculators

14 tools

Interest, VAT, GST, and related finance tools.

Break-Even Calculator Find break-even units or sales from fixed costs, variable cost per unit, and selling price. Runs locally in your browser. Free online tool — no sign-up.
CAGR Calculator Calculate compound annual growth rate (CAGR) from beginning value, ending value, and years. Runs locally in your browser. Free online tool — no sign-up.
Compound Interest Calculator Project future value with compound interest from principal, rate, compounding frequency, and time. Optional contributions. Runs locally in your browser.
Discount Calculator Apply a percent discount to a price and show savings and final amount. Runs locally in your browser. Free online tool — no sign-up. Try it free.
GST Calculator Add or remove GST from prices at a chosen GST rate for inclusive/exclusive totals. Runs locally in your browser. Free online tool — no sign-up.
Loan Amortization Calculator Build a loan amortization schedule: payment, interest, principal, and remaining balance by period. Runs locally in your browser. Try it free.
Loan Payment Calculator Calculate fixed monthly loan payments from principal, annual rate, and term. Shows amortization-style payment math. Runs locally in your browser.
Markup Calculator Calculate selling price or markup percentage from cost and desired margin. Runs locally in your browser. Free online tool — no sign-up. Try it free.
Present Value Calculator Discount a future amount to present value at a chosen rate and number of periods. Runs locally in your browser. Free online tool — no sign-up.
Profit Margin Calculator Compute gross or net profit margin from revenue and cost (or profit). Shows margin vs markup differences. Runs locally in your browser. Try it free.
ROI Calculator Measure return on investment as gain or loss versus cost, with percentage ROI and net profit. Runs locally in your browser. Free online tool — no sign-up.
Savings Goal Calculator Estimate deposits needed to reach a savings goal given rate, compounding, and timeline. Runs locally in your browser. Free online tool — no sign-up.
Simple Interest Calculator Calculate simple interest and total amount from principal, rate, and time—no compounding. Runs locally in your browser. Free online tool — no sign-up.
VAT Calculator Add or remove VAT from a net or gross price at a chosen VAT rate. Runs locally in your browser. Free online tool — no sign-up. Fast and free.