Finance tools built for speed

Calcbi

Free online finance calculators — instant results, no signup

Calculate monthly loan payments, total interest, and amortization in seconds.

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

Work out tip amounts, total bills, and fair splits across your group.

Instantly see the final price and how much money you save on a sale.

Convert between 20 major currencies with quick approximate rates.

Find percentages, reverse percentages, and percent change with one tool.

Estimate take-home pay and basic tax by country for a faster first look.

Project your retirement corpus from savings, contributions, and growth.

Why use our calculators

Every calculator runs in your browser for instant results with no waiting.

No signup and no personal data collection for the calculator tools.

Large tap targets and responsive layouts keep every tool easy to use on phones.