Everyday Calculators

Checking your pay stub, deciding whether to buy or rent, timing an investment — instead of searching for a different calculator every time, we've put the money math you run into day to day in one place. No sign-up, no installation: everything runs in your browser, and the range of what we cover keeps growing.

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Comprehensive Real Estate Tax Reform Preview (2026 Proposal — Not Yet Law)

Preview how comprehensive real estate tax could change year by year (2026-2029) under Korea's proposed 2026 tax reform. This proposal has not passed the National Assembly and is not current law.

🔥 Trending Calculator

Capital Gains Tax Reform Preview (2026 Proposal — Not Yet Law)

Preview how capital gains tax on home sales could change year by year (2026-2029) under Korea's proposed 2026 tax reform. This proposal has not passed the National Assembly and is not current law.

Everyday Life

Korean Age Calculator

Enter a birth date to calculate Korean international age (man-nai), year age, and counting age all at once. Man-nai has been the legal standard age in Korea since 2023.

Salary & Benefits

Korea Salary Take-Home Pay Calculator

Enter your annual salary and number of dependents to estimate your monthly and annual take-home pay after Korea’s 4 major social insurances and income tax.

Salary & Benefits

Korea Severance Pay Calculator

Enter your hire date, resignation date, and last 3 months of pay to estimate your average wage and expected severance pay under Korean law.

Salary & Benefits

Korea Weekly Holiday Pay Calculator

Enter your hourly wage and weekly scheduled work hours to calculate Korea’s weekly paid holiday allowance (ju-hyu-su-dang) — including for part-time workers.

Salary & Benefits

Korea Unemployment Benefit Calculator

Enter your separation date, last 3 months of pay, age, and employment insurance enrollment period to estimate your Korean unemployment benefit (job-seeking benefit) amount and payment days.

Salary & Benefits

Korea Annual Leave Calculator

Enter your hire date to calculate accrued annual paid leave days under Korean labor law. Add your daily ordinary wage to also see your annual leave allowance.

Real Estate

Loan Interest & Repayment Calculator

Enter loan principal, annual interest rate, and term to calculate monthly payments, total interest, total repayment, and a full amortization schedule for equal payment, equal principal, or bullet repayment methods.

Real Estate

Korea Property Acquisition Tax Calculator

Enter a purchase price to estimate Korea’s acquisition tax, local education tax, and special rural development tax — for both houses (including the 8%/12% multi-home surtax rates) and officetels.

Real Estate

Korea Rental Yield Calculator (Monthly Rent)

Enter the purchase price, deposit, and monthly rent to calculate pre-tax and after-tax rental yield on your net invested capital — including acquisition tax (with multi-home surtax), and Korea's separate-taxation rental income tax (14%).

Real Estate

Korea Real Estate Brokerage Fee Calculator

Enter a transaction amount to calculate the maximum real estate brokerage fee for sales, jeonse, and monthly-rent deals (based on the Seoul Metropolitan Government ordinance).

Real Estate

Korea Jeonse-to-Monthly-Rent Conversion Calculator

Calculate the monthly rent when converting a jeonse deposit to monthly rent, along with the statutory maximum conversion rate under Korea’s Housing Lease Protection Act.

Real Estate

Korea Property Holding Tax Calculator (Property Tax & Comprehensive Real Estate Tax)

Enter the officially assessed value to estimate property tax (housing, land, buildings) and comprehensive real estate tax together — accounting for the fair market value ratio, progressive rates, local education tax, and urban area tax.

Real Estate

Comprehensive Real Estate Tax Reform Preview (2026 Proposal — Not Yet Law)

Preview how comprehensive real estate tax could change year by year (2026-2029) under Korea's proposed 2026 tax reform. This proposal has not passed the National Assembly and is not current law.

Real Estate

Korea Capital Gains Tax Calculator (Housing)

Enter your acquisition price, expenses, and sale price to calculate Korean capital gains tax on housing under current law — including the one-home exemption, long-term holding deduction, and multi-home surcharge.

Real Estate

Capital Gains Tax Reform Preview (2026 Proposal — Not Yet Law)

Preview how capital gains tax on home sales could change year by year (2026-2029) under Korea's proposed 2026 tax reform. This proposal has not passed the National Assembly and is not current law.

Real Estate

Korea Jeonse vs. Buying Comparison Calculator

Enter the purchase price, jeonse deposit, and cash on hand to compare buying (acquisition tax, loan interest, property tax, expected appreciation) against jeonse (brokerage fee, deposit opportunity cost) over N years of holding.

Investing

Stock Averaging Down Calculator

Enter your current shares, average cost, and current price to see your new average cost and breakeven return after buying more. Work backward from a target average price, or use it for both KRW and USD holdings.

Investing

Korea Savings & Deposit Interest Calculator

Calculate pre-tax and after-tax interest on Korean lump-sum deposits (예금) and installment savings (적금), including the 15.4% interest income tax withholding, to see your maturity payout.

Everyday Life

Korea Gift Tax Calculator

Enter the gift amount and your relationship to the giver (spouse, ancestor, descendant, other relative) to calculate Korean gift tax — including relationship-based deductions, the marriage/childbirth deduction, progressive rates, filing tax credit, generation-skipping surcharge, and 10-year same-donor aggregation.

Everyday Life

Korea Inheritance Tax Calculator

Enter the estate value and heir composition (spouse, children) to calculate Korean inheritance tax — including the basic deduction, personal deductions, spouse deduction (based on statutory inheritance share), financial asset and co-residence deductions, progressive rates, filing tax credit, generation-skipping surcharge, and prior-gift aggregation.

Everyday Life

BMI Calculator

Enter your height and weight to calculate your BMI, obesity classification per Korean Society for the Study of Obesity criteria, and standard body weight.

Everyday Life

TDEE & Calorie Calculator

Enter your sex, age, height, weight, and activity level to calculate your basal metabolic rate (BMR), maintenance calories (TDEE), and target calories for weight loss or gain.

Everyday Life

D-Day Countdown Calculator

Set a target date to see how many days remain (D-100) or have passed (D+50) from today. Count down to exams, anniversaries, or any date that matters to you.

Everyday Life

Korea Customs Duty & VAT Calculator

Calculates customs duty and VAT using the same 137 items and rates as Korea Customs’ official "Estimated Tax for Overseas Purchases" calculator (including individual consumption tax, liquor tax, and education tax where applicable).

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