About

Kolayı Var is a collection of fast, free online calculators for everyday questions — percentages, VAT, loans, compound interest, age, BMI, unit conversions and more.

Every tool runs in your browser. The data you enter is never sent to or stored on our servers. Each page explains the formula used, so you can see exactly how the result is calculated.

Results are for informational purposes only. Please consult a qualified professional for legal, financial or medical decisions.