Calculators

Percentage Calculator

Calculate percentages, ratios, increases, and decreases.

Discount Calculator

Enter the original price and discount rate to calculate the final price.

VAT Calculator

Calculate supply amount, VAT, and total amount.

Date Calculator

Calculate days between dates or dates before and after a base date.

D-Day Calculator

Check days remaining until a target date or days passed since it.

Age Calculator

Calculate age from birth date and base date.

BMI Calculator

Calculate BMI from height and weight.

Margin Calculator

Calculate margin amount and margin rate from cost and sale price.

Compound Interest Calculator

Calculate compound growth from principal, rate, and period.

Loan Interest Calculator

Calculate monthly payment and total interest from loan amount, rate, and term.

Salary Net Pay Calculator

Estimate monthly take-home pay from annual salary and deduction rate.