All 104 Korean tax and property calculators

Every calculator on suikbang.com in English, grouped by topic: loans, buying and holding property, selling and inheritance, leases, housing subscriptions, year-end tax, business, finance and returns. Each one shows the statute it is built on. Not sure which one you need? Describe your situation on the finder.

Loans4

Mortgage Limit CalculatorHow much a bank will actually lend you, after LTV, DSR and the stress rate.
Regulated Zone CheckerWhat changes when a district is designated: caps, residency duties, extra tax.
DSR CalculatorYour debt service ratio across every loan you already have.
Loan Repayment SimulatorMonthly payment and total interest, including grace periods.

Buying9

Commercial Property Acquisition TaxAcquisition tax and closing costs for shops, offices, land and warehouses.
Acquisition Tax Relief CalculatorRelief for first-time buyers and newlyweds, and what disqualifies you.
Home Acquisition Tax CalculatorAcquisition tax on a home, including the heavier rates for multiple owners.
Agent Commission CalculatorThe legal ceiling on what a real estate agent can charge you.
Foreign Buyer Reporting DeadlineWhen a foreign national must report a Korean property purchase, and when prior permission is required.
Registration and License TaxTax on registrations and licences that are not property acquisitions.
Registration Cost CalculatorEverything you pay at closing beyond the price itself.
Gifted Property Acquisition TaxAcquisition tax when a home is transferred as a gift rather than sold.
Vehicle Acquisition Tax CalculatorAcquisition tax and bond purchase when you buy a car or motorcycle.

Owning6

Rental Income Tax CalculatorTax on rent received, including deemed rent on large deposits.
Annual Vehicle Tax CalculatorYearly car tax by engine displacement, with the age discount.
Comprehensive Real Estate TaxThe national tax on top of property tax once your holdings pass the threshold.
Regional Resource Facility TaxThe fire-service portion that rides along with your property tax bill.
Land and Building Property TaxProperty tax on land and non-residential buildings.
Property Tax CalculatorAnnual property tax on a home, with the single-home special rate.

Selling & Inheritance13

Inheritance Tax CalculatorInheritance tax with spousal and lump-sum deductions.
Gift vs Inheritance Tax ComparisonWhether receiving family property now as a gift or later as an inheritance costs less.
Inheritance Tax InstalmentsPaying inheritance or gift tax over two months or up to ten years.
Non-Resident Capital Gains TaxSell Korean property while living abroad and two big reliefs disappear.
Gift With Debt CalculatorHand over a home with a loan or lease attached and two taxes appear at once.
Gift Tax CalculatorTax on a gift, with the allowance that resets every ten years.
Single-Home Exemption CheckerWhether your sale is exempt, and what the holding and residency rules require.
Inheritance and Gift Property ValuationWhich figure settles the value of inherited or gifted real estate, and the exact dates the valuation window runs between.
Non-Business Land SurchargeWhether farmland, forest or vacant land is caught by the period rule, and how far the surcharge lifts the capital gains tax.
Long-Term Holding DeductionHow much of your gain is deducted for holding the property and for living in it.
Multi-Home Capital Gains SurchargeThe grace period ended on 9 November 2026. See whether selling a home in a regulated area now carries the multi-home surcharge, and how much more tax it adds.
Capital Gains Tax CalculatorTax when you sell property, including the surcharge for multiple owners.
Detached House Sale Capital Gains Tax CalculatorWhere the house ends and the land begins when you sell a detached house with its yard.

Renting6

Deposit Guarantee PremiumWhat deposit insurance costs, and which insurer suits your case.
Deposit Priority CheckerWhere your deposit ranks against the bank's mortgage.
Lease Reporting CheckerWhether your lease must be reported, by when, and the fine if it is not.
Lease Renewal Notice DeadlineThe window in which notice must be given, for both sides.
Rent Increase Cap CalculatorThe legal ceiling on a rent increase, and deposit-to-rent conversion.
Small Tenant Priority PaymentThe portion of your deposit protected ahead of everyone else.

Housing Lottery5

Special Supply Eligibility CalculatorScreens the special-supply categories against the absolute requirements in the rules. Income limits are given as percentages. The won figure is in the public announcement.
Subscription Deposit Credit CalculatorWhat counts is not what you paid but the months and total the rules credit. This applies the three statutory caps.
Re-win Restriction CalculatorHow long a previous win bars you from applying again, under article 54 of the Housing Supply Rules.
First-Priority Eligibility CheckerWhether your savings account qualifies you for first priority.
Housing Subscription ScoreYour points for the apartment lottery, and where you are losing them.

Year-End Settlement34

Social Insurance CalculatorThe four insurances taken out of your pay, split with your employer.
Jeonse Loan Interest DeductionDeduction on principal and interest for a rental deposit loan.
Monthly Rent Tax CreditCredit for rent paid, if you meet the income and home-size limits.
Pension Account Tax CreditCredit for paying into a pension savings account or IRP.
Card Spending DeductionThe deduction for card and cash-receipt spending above the threshold.
Child Tax Credit CalculatorHow much your children reduce your tax bill.
Medical, Education and Insurance CreditsCredits for medical bills, tuition and protection-type insurance.
Hometown and Political DonationsThe unusually generous credit on hometown-love and political donations.
Donation Tax CreditCredit for donations, including religious organisations.
Industrial Accident BenefitTemporary disability benefit while you are off work after a workplace injury, and why visa status is not a condition.
Health Insurance Status CheckerWhether you are a workplace subscriber, regional subscriber or dependent, and why arrears stop your benefits.
Departure Insurance & Workplace ChangeFor employment-permit workers: the severance shortfall to claim before you leave, and how many workplace changes remain.
Unpaid Wages & Late-Payment InterestThe 20% statutory interest that runs on wages unpaid after you leave, and how long you have left to claim.
Overtime, Night & Holiday Pay, Annual LeaveThe premium pay the law adds on top, the leave you have earned, and what is owed if you are dismissed without notice.
Student Part-Time Job TaxTax and social insurance on a student part-time job, and the work permit you need before any of it matters.
Minimum Wage & Weekly Holiday PayWhether your hourly rate is legal, and what you are owed once weekly holiday pay is counted in.
Resident or Non-ResidentWhich one you are under Korean tax law, and whether your income from back home has to be reported here.
Foreign Worker Take-Home PayPay after tax and social insurance, plus whether you get your pension back when you leave.
Foreign Worker Flat Tax (19%)The 19% flat rate against normal progressive tax, and where it stops being worth it.
SME Young Worker Tax ReliefIncome tax relief for young employees at small and medium firms.
Year-End Tax SettlementYour refund or extra bill in February, estimated before it arrives.
Earned Income Tax CreditThe refundable credit for low-income households.
Severance Pay Tax CalculatorTax on a lump-sum severance payment, softened by years of service.
Housing Savings DeductionDeduction on deposits into a housing subscription savings account.
Spouse's Birth and Fertility Treatment LeaveWhat employment insurance pays for spouse's birth leave and fertility treatment leave, and what the employer must pay.
Spouse's Miscarriage and Stillbirth LeaveThree paid days out of five when a spouse has a miscarriage or stillbirth, and the 20-day window to claim it. In force from 18 September 2026.
Hourly Rate From Monthly PayWork the hourly rate backwards from what you are paid a month, and see whether it meets the minimum wage.
Monthly Take-Home PayWhat reaches your account after the four social insurances and withheld income tax, using the official simplified withholding table.
Gross Salary from Take-Home PayThe gross monthly salary you need to end up with a target take-home amount, adding back the four social insurances and withheld income tax.
Reduced Working Hours BenefitWhat employment insurance makes up when you cut hours for childcare, split between the first 10 hours and beyond.
Maternity Leave BenefitWhat employment insurance covers over maternity leave and what the employer has to make up.
Parental Leave BenefitWhat parental leave pays month by month, and what the both-parents and single-parent schemes add.
Unemployment BenefitThe daily job-seeking benefit and the number of days payable after leaving a job, and whether you land on the floor or the ceiling.
Mortgage Interest DeductionDeduction on long-term mortgage interest, by loan term and rate type.

Business16

Corporate Tax CalculatorCorporate tax and local income tax, with the rate rise that started in 2026.
Sole Trader vs CompanyWhich structure pays less tax at your income level.
Simplified VAT EligibilityWhether you qualify as a simplified taxpayer, and whether you want to.
VAT CalculatorVAT payable from sales and purchases.
Penalty Tax CalculatorWhat a late or understated filing costs, day by day.
Small Business Mutual Aid DeductionDeduction for the Noran Umbrella mutual aid fund.
Interim Tax Payment CalculatorThe November bill based on last year, and how to cut it using this year's numbers.
Business Entertainment LimitHow much client entertainment is actually deductible.
Company Car Expense CalculatorWhat a business vehicle really deducts, and what a missing logbook costs.
Korean Car Lease Comparison CalculatorFinance lease, operating lease or rental: which one deducts more, and why.
Bookkeeping Duty CheckerDouble-entry books, simplified books, or a verified return: which applies to you.
Global Income Tax ReturnYour May tax return, with expenses and withholding already paid.
Other Income Tax CalculatorTax on lecture fees, prizes, royalties and one-off income.
Crypto Tax CalculatorKorean tax on crypto gains and lending income from 2027: ₩2.5M deducted, 22% on the rest.
Daily and Part-Time Wage TaxTax on daily wages, where a large deduction usually leaves nothing to pay.
Semiannual Withholding Tax PaymentWhether last year's average headcount lets you pay withheld income tax twice a year instead of monthly, and the dates to apply and pay by.

Investments6

Financial Income Tax CalculatorWhat happens when interest and dividends cross the aggregation threshold.
Pension Withdrawal TaxTax when you draw your pension, and why crossing ₩15M is not always a mistake.
ISA Tax Saving CalculatorHow much an ISA account actually saves you.
Stock Trading Tax CalculatorTransaction tax, overseas gains and dividend tax in one place.
National Pension EstimatorYour future monthly old-age pension in today's money, with the correct replacement constant for each enrollment period.
National Pension TimingHow the national pension changes with when you start drawing it, and at what age claiming early stops paying off.

Yield3

Lease Investment Breakeven CalculatorHow far vacancy can rise and the loan rate can climb before cash flow turns negative, and how much room is left today.
Target Yield Purchase Price CalculatorEnter the lease terms and your target yield to work backwards to the highest purchase price that still meets it.
Property Investment YieldYield on a commercial property after vacancy, costs and borrowing.

Everyday2

Power Bank Flight Carry-On Calculator (Korea)Converts a power bank's mAh and voltage to watt-hours and tells you whether Korea's rules let you carry it on board without approval, and how many you may take.
Car Fire Extinguisher Requirement Checker (Korea)Tells you whether Korean law requires your car, van, truck or bus to carry a fire extinguisher, and how many of what rating.