Finance Tools

Estimate common personal and business finance figures with transparent formulas.

ROI Calculator

Calculate investment gain and return on investment percentage.

APY Calculator

Convert a nominal annual interest rate and compounding frequency into annual percentage yield.

APR Calculator

Estimate a fixed-payment loan APR from amount received, upfront fees, payment and term.

Refinance Calculator

Compare current and proposed fixed-rate loan payments, costs and break-even time.

HELOC Calculator

Estimate interest-only draw payments and later amortized repayment from a constant-rate scenario.

VAT Calculator

Calculate VAT and net or gross price using a rate you provide.