Calculators

Free online calculators for money, health and daily life

Every calculator here runs entirely in your browser — no sign-up, no app install, and the numbers you type are never sent to or stored on a server. Financial tools such as the take-home pay, income tax, DSR, LTV and severance calculators follow current Korean tax and lending rules, so the results reflect real deductions rather than rough estimates.

Which calculator should I use?

• Income & pay: use the Salary calculator for monthly take-home pay, and the Income Tax calculator for year-end comprehensive tax.
• Loans & property: the DSR, LTV and Loan calculators show how much you can borrow and the true monthly cost.
• Health & everyday: the BMI, Compound interest and Age calculators cover wellness, savings and dates.

Frequently asked questions

Are the results accurate?

Financial calculators use the latest published Korean tax brackets and insurance rates. They are meant for planning; your final figures may differ slightly depending on individual circumstances.

Is my data saved anywhere?

No. All calculations happen locally in your browser and nothing you enter is uploaded or stored.

Do I need to sign up or pay?

Every calculator is completely free and works without an account.