Finance & Business Calculators

Calculators for business finance — seller financing, review ratings, and UK employee share plans.

Part of Business.

Calculators

Seller Financing Calculator
Calculate the monthly payment for a seller-financed loan.
Share Incentive Plan Calculator
Calculate your tax and National Insurance saving from buying UK SIP Partnership Shares.
Google Review Calculator
Calculate how many new 5-star reviews you need to reach a target rating.
CD Calculator
Calculate the maturity balance and interest earned on a certificate of deposit using the deposit amount, APY, and term.
Reverse Sales Tax Calculator
Calculate the original price before sales tax and the tax amount included in a total purchase price.

Guides

Last updated 7/12/2026