Practical tools for everyday financial math

Loan, VAT, BMI and more — calculations in seconds. Free, no signup, accurate results.

Monthly payment, total interest and full amortization schedule.

Add or extract Turkish VAT (KDV) at 1%, 10% or 20%.

Calculate Turkish progressive income tax with 2025 brackets.

Calculate profit, margin and markup from cost and selling price.

Calculate final price, savings, and discount amount.

Calculate the new value after applying a percentage raise.

Body mass index from height and weight (metric or imperial).

Percent change, percent of, and ratio calculations.

Ideal weight by height and sex (4 formulas + BMI range).

Compute your exact age in years, months and days from a birth date.

Estimated due date and current week from your last menstrual period (LMP).

Calculate the final amount and interest earned with compounding.