계산비서 - 연봉, 대출, 세금 등 일상 통합 계산기

The moment you wonder, "How much is this?", a single calculation assistant takes care of it.

When you are curious about your net annual salary, calculating how much your loan will be, or splitting the bill for a company dinner —

You don't need to search through different apps and websites every time. We have packed 44 calculators covering everything from finance to daily life into a large, dedicated keypad and a clean screen.

All amount and interest calculations are processed with error-free precision, and any tax law and regulatory assumptions underlying the calculations are clearly displayed on the screen. Because you cannot trust numbers that hide their conditions.

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💰 Salary & Labor

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• Net Annual Salary Calculator — The money deposited into your account after deducting the four major insurances and income tax. Dependents & Tax Exemptions Reflected

• Severance Pay Calculator — Average Wage × 30 Days × Years of Service

• Unemployment Benefit Calculator — Daily Job Seeker Benefit Amount, Estimated Benefit Amount, and Benefit Period

• Hourly Wage & Weekly Holiday Allowance — Part-time Job Salary, Including Overtime and Night Shift Allowances

• Year-End Tax Settlement — The 13th Month Salary. Reflects Deductions for Credit Cards, Pension Savings, Monthly Rent, and Medical Expenses

• Lifetime Salary — Lifetime income calculated by accumulating all salaries received at annual tax rates

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🏠 Loans & Real Estate

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• Loan Limit Calculator — Input Income and See Loan Limit (DSR, LTV, Stress DSR, Combined Marital Value).

Precision mode that considers housing deductions, policy products (Didimdol, Bogeumjari), and credit scores

• Loan Calculator — Monthly principal and interest payments, equal principal payments, and total interest; installment repayment tables; Excel saving; grace period and early repayment

• Refinancing Benefits — How much you can save by switching. Net Profit After Deducting Early Repayment Fees

• Early Repayment Fee — Fee incurred when repaying a loan early

• Jeonse/Monthly Rent Conversion — Convert deposit ↔ monthly rent using the legal conversion rate

• Housing Subscription Point Calculator — Simply enter your date of birth and bank account opening date, and it automatically calculates your non-homeownership period and dependent family points

• Housing Pension — Lifetime monthly payments secured by your home (Reverse Mortgage)

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🧾 Taxes

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• Acquisition Tax Calculator — Taxes when buying a house (including Local Education Tax and Special Rural Development Tax)

• Capital Gains Tax Calculator — Taxes when selling a house. Tax Exemption for One House Per Household · Special Deduction for Long-Term Holding

• Comprehensive Real Estate Tax · Property Tax — Annual holding tax calculated based on official assessed value

• Comprehensive Income Tax Calculator — Estimated refund and payment amounts for freelancers and business income

• Inheritance Tax Calculator — Reflects deductions for spouse, children, and financial assets

• Gift Tax — Deductions by relationship · 10-year aggregation

• Capital Gains Tax on Overseas Stocks — 22% after a 2.5 million won deduction for "Seohak Ants" (Korean investors investing in overseas stocks)

• Automobile Tax — Annual tax amount by engine displacement and vehicle age, local education tax, and annual payment discount

• Customs Duties for Overseas Direct Purchases — Customs duties by country of origin and item, VAT, and exemption limits

• VAT Calculator — Calculation of supply price, VAT, and total

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📈 Savings · Investment

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• Compound Interest Calculator — View your future assets after tax as you accumulate monthly. Growth Graph

• Deposit & Installment Calculator — After-tax payout at maturity (fixed amount/flexible deposit), accumulation history by installment

• Parking Account — Daily interest accruing even for deposits held for just one day

• Target Amount — Work backwards to determine how much to save each month to reach the target amount

• Dividend — Dividend and reinvestment growth, multi-stock portfolio. Taxation by General, ISA, and Pension Account

• Average Price — Average price after averaging down and break-even point

• Pension — Monthly payments to receive in retirement via National Pension and Private Pension

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🧮 Daily Life

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• General Calculator — Basic arithmetic and engineering calculations, save calculation history

• Percentage — Growth rate, ratio, and discount

• Date — D-day, number of days between two dates

• Age Calculator — Age, zodiac sign, save anniversaries and D-day

• Solar/Lunar Calendar Conversion — Lunar birthdays, memorial days, Lunar New Year, Chuseok, and even the Chinese zodiac and zodiac signs

• Electricity Bill Calculator — Billing amounts by progressive rate bracket, including tier relaxation during summer

• Subscription Fee Diet — Check monthly recurring payments at a glance. Up to 1 year/per person

• 1/N — Splitting bills

• Currency converter — Exchange using saved rates without internet (for travel)

• Unit conversion — Length, weight, temperature, pyeong, don

• BMI — Body Mass Index and standard weight

• Unit price comparison — Assessing cost-effectiveness based on price per 100g

• Fuel costs — Sharing gas costs and carpooling

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✨ Here's how it's different

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• Precise calculations that don't deviate by even 1 won — Amounts are calculated using precision calculations rather than floating-point numbers

• Recalculate and compare with the app separately — Annual salary, loans, and taxes are displayed with separate verification tables and matched down to the won unit

• Difficult terms are handled via ⓘ Hana — DSR, 4 major insurances, valuation gains… Explained in simple terms with just one tap

• No hidden tax assumptions — Displays the tax rates, deductions, and regulatory standards used in the calculation exactly on the screen

• Continuously updated as tax laws change — Reflects revisions to income tax, insurance rates, and loan regulations

• Large dedicated keypad — A unified keypad instead of the system keyboard that varies by device

• Font size selection — 'Normal' for more screen space, or 'Large' for easier viewing

• Share result images — Save calculation results as cards to share instantly with your preferred apps like KakaoTalk

• Light/Dark modes, and open the calculator you want instantly using category tabs and search

• If ads bother you — Permanently remove them with a one-time payment

Calculation results are estimates for reference only. Actual tax amounts and loan limits may vary depending on individual circumstances and financial institution reviews, so please confirm the final amount with the National Tax Service or your financial institution.

Ask your calculation assistant about all your daily "How much is it?" questions. 🐼