Finance

Rough numbers for notes, UK VAT, and investments you already understand. These calculators are not advice.

Finance

Seller financing calculator

Estimate monthly payment, interest, and an optional balloon on a seller note.

Finance

Calculate monthly payments, total interest, and balloon payoff from the buyer's perspective.

Finance

Calculate swimming pool loan monthly payments, total interest, down payment, and payoff schedule.

Finance

Calculate annualized internal rate of return for irregular, dated investments and cash flows.

Finance

Calculate how many units you need to sell to cover fixed overhead and reach profit goals.

Finance

Calculate the required retirement corpus, future monthly living expenses adjusted for inflation, and required monthly savings.

Finance

Calculate Indian Goods and Services Tax (GST), CGST, SGST, IGST, and net/gross invoice values client-side.

Finance

Calculate loan EMI, interest payments, and view full amortization schedule with CSV export. Runs client-side.

Finance

Calculate Net Present Value (NPV), Profitability Index, IRR, and discounted payback periods for capital investment projects. Free browser DCF solver.

Finance

Add or extract UK VAT at 20%, 5%, or 0% from a net or gross amount.

Longer notes that sit next to these tools. All guides.

Finance

Same arithmetic as VAT. India then splits the tax for intra-state invoices.