Finance tools built for speed

Calcbi

Free online financial calculators — instant results, no signup required

Find your monthly loan payment, total interest, and full repayment breakdown in seconds.

See exactly how your savings can grow over time with annual, monthly, quarterly, or daily compounding.

Work out the tip, total bill, and a fair split for everyone at the table.

Instantly see the final sale price and exactly how much money you are saving.

Convert between 20 major world currencies using quick, up-to-date approximate rates.

Find a percentage of a number, reverse it, or calculate percent change — all in one place.

Get a realistic estimate of your take-home pay after taxes, by country.

Project your retirement savings based on your current balance, contributions, and expected growth.

Why people use Calcbi

Every calculator runs directly in your browser — no server wait time, no delays.

No signup required and no personal or financial data is ever collected or stored.

Large tap targets and a responsive layout keep every tool fast and easy to use on your phone.