Add or remove GST/VAT from an amount at any tax rate, with a full breakdown of base, tax, and total.
Calculate Net Present Value and Internal Rate of Return for a series of cash flows.
Calculate the break-even sales volume and revenue from fixed costs, price, and variable cost per unit.
Generate a depreciation schedule using straight-line or declining balance methods.
Convert national currencies instantly using live exchange rates cached for maximum speed and privacy.
Simulate savings growth over time with customizable compound frequencies and monthly contributions.
Calculate equated monthly installments (EMI), total interest payable, and view your detailed amortization table.
Estimate future returns of your monthly SIP investments with detailed year-by-year projections and charts.
Calculates GST, VAT, or any similar percentage-based sales tax in both directions: adding tax to a tax-exclusive amount, or extracting the tax and base amount from a tax-inclusive total (invoice reverse calculation).
Removing tax from an inclusive amount divides by (1 + rate), not by simply subtracting the rate percentage directly — a common calculation mistake this tool avoids automatically.
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