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Free Tools for Expats
Korea Calculators
Essential calculators for foreigners living and working in Korea.
💰 Money & Tax
🏠 Living in Korea
🇰🇷 Korean Culture & Daily Life
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Korean Age
How old are you in Korea?
Size Converter
Korean clothing & shoe sizes
Tipping Guide
No tip culture in Korea
Time Zone (KST)
Korea time converter
Date Converter
Korean date format
Lunar Calendar 2026
Seollal, Chuseok dates
Blood Alcohol (DUI)
Korea limit: 0.03%
Visa Checker
Which visa do you need?
Hospital Costs
Medical expenses guide
Phone Plans
Cheapest mobile plans
Delivery Cost
택배 shipping prices
🔧 Other Tools
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Calorie Calculator
TDEE & diet plan
Body Fat
US Navy formula
Sleep Calculator
90-min cycle
Compound Interest
Investment growth
Due Date
Pregnancy tracker
Crypto Profit
Investment returns
Character Counter
Words & bytes
Password Generator
Secure passwords
Random Generator
Numbers & lottery
Air Fryer
Oven converter
Paint Calculator
Room quantities
Water Intake
Daily hydration
About These Tools
Built specifically for foreign workers, expats, and English teachers in Korea. All calculations use 2026 tax rates and social insurance premiums.
Whether you're deciding between flat and progressive tax, estimating your pension refund before leaving Korea, or trying to understand the unique jeonse rental system — we've got you covered.