Stocks & Investing
Stock Averaging Calculator
Calculate how additional purchases change your average cost basis before you buy.
Stock P&L Calculator
Calculate your net profit after commissions and taxes — what actually hits your account.
Dividend Calculator (After Tax)
Calculate monthly and annual after-tax dividend income based on your share count.
Recovery (Stop-Loss) Calculator
Find out how much gain you need to recover from a loss — a reality check.
Historical Simulation (FOMO)
See how much you'd have now if you bought at a specific date in the past.
ETF Fee Comparison Calculator
See how expense ratio differences impact long-term returns side by side.
Tax
Korean Stock Capital Gains Tax
Calculate domestic stock capital gains tax with SME/large-cap rates and holding period rules.
US Stock Capital Gains Tax
Calculate capital gains tax, local income tax, and net proceeds on US stock trades.
Crypto Capital Gains Tax
Calculate capital gains tax and net proceeds on cryptocurrency trades.
Property Capital Gains Tax Calculator
Calculate Korean real estate capital gains tax with long-term holding deductions and net proceeds.
ISA & Pension Tax Savings Calculator
Simulate tax deductions and tax-free benefits from ISA, pension savings, and IRP accounts.
Assets & Retirement
Compound Interest Calculator
Simulate how time and interest compound to grow your wealth.
Goal Savings Calculator
How much do you need to save monthly to reach your goal? Simulate by period and return rate.
Severance Pay Calculator
Calculate Korean severance pay with tax deductions based on service period, salary, and allowances.
National Pension Calculator
Calculate your estimated Korean National Pension benefits based on income and contribution period.
FIRE Retirement Calculator
Simulate your path to financial independence — target assets, savings rate, and retirement timeline.
Finance & Life
Loan Interest Calculator
Calculate monthly payments and total interest for various repayment methods.
Currency Exchange Calculator
Convert 49 major currencies with live exchange rates — USD, JPY, EUR, THB, and more.
Health Insurance Premium Calculator
Estimate Korean indemnity health insurance premiums by age, gender, and plan generation.