工具指南
韩国实务工具深度指南
工具使用方法请见工具页面。这里提供深度背景、实际案例与法令引用。指南、博客与工具彼此互相链接。
工具 — 6个分类
指南 — 深入了解工具
按国籍看韩国工作签证 — 哪国走哪条路
从印度·中国到中亚·英语圈,按国籍梳理向你开放的工作·居留签证。
阅读指南韩国雇佣许可制(E-9)工作签证完全指南(2026)
17个派遣国·EPS-TOPIK·2026配额·居留期·E-7-4熟练技能转换。
阅读指南韩国E-7专业工作签证完全指南(2026)
4个子类别·2026薪资标准·Top-Tier·F-2-7居留签证转换路径。
阅读指南韩国护照免签国家 — 美国·欧洲·日本·中国·越南·泰国·印度
韩国护照可直接前往的国家,以及需ESTA·ETIAS·e-签证的国家,2026年基准梳理。
阅读指南电线线径 — 不查表也能定
不必每次翻查KEC 232.5表，仅凭电流、距离、电压降即可推算导线截面积的方法。
阅读指南事业者登记号校验位 — 识别虚假号码的算法
1-3-7-1-3-7-1-3-5加权校验法。交易前一次性筛掉虚假事业者。
阅读指南四大保险 — 2026年费率与实领金额计算
国民年金·健康·雇佣·产灾保险费率整理 + 从月薪中精确扣除的金额。
阅读指南隔热R值·U值 — 通过节能设计标准别表1指南
各地区各部位U值上限 + 用实际建材达标所需厚度的计算方法。
阅读指南构件跨距 — 桁条·椽子·横梁最大长度
基于NDS标准的实务跨距上限 + 挠度与弯曲验证顺序。
阅读指南现场笔记 — 实务者视角
2026-06-30 · 约10分钟
Korean Units & Numbers for Foreigners: Pyeong, Age, Sizes, Distance & More
Every confusing Korean unit and number in one place — pyeong (area), Korean age & school grade, clothing/shoe sizes (US ↔ Korea), distance (ri/miles ↔ km), temperature (°F ↔ °C), and the business registration number. Each with a free instant-conversion tool.
2026-06-18 · 约12分钟
Renting in Korea as a Foreigner: Jeonse, Wolse, Deposits & Your Rights
Jeonse vs wolse, the conversion rate, how to protect your deposit after the 2022–2023 fraud wave, and the change-of-residence-report trap every foreign tenant must know — with a step-by-step pre-signing checklist.
2026-06-17 · 约14分钟
Living in Korea as a Foreigner: The Complete Money, Visa & Admin Guide (2026)
Arrival (ARC, banking) → settling (rent, health insurance) → work & tax (year-end, flat tax) → staying (F-2-7, D-8) → leaving (pension refund). The whole journey of living in Korea, step by step, with free calculators and checklists.
2026-06-16 · 约11分钟
Essential Apps for Living in Korea as a Foreigner (2026)
Which Korean apps work without a Korean number, a foreign card, or an ARC — and how to clear the PASS identity-verification wall. Category by category, with sign-up tips.
2026-05-30 · 约7分钟
Korean Pyeong, Explained — Why 84㎡ is Called 25-Pyeong
Why Korean real estate uses pyeong alongside m², how 84㎡ maps to 25-pyeong, and what exclusive vs supply vs contract area really mean.
2026-05-30 · 约6分钟
Korean Business Registration Number — What the Checksum Tells You
The 1-3-7 weighted checksum that catches fake or mistyped Korean business numbers before you sign or wire money.
2026-05-23 · 约8分钟
Korean Mortgage: 30-year vs 15-year — Is the longer term really a loss?
Total interest is much lower for 15-year. Yet most people choose 30-year. Once you factor cash flow, inflation, and reinvestment, the math changes.
2026-05-23 · 约7分钟
5 most common confusions in Korean progressive income tax
“Crossing a bracket means you earned less in the end” and other myths — debunked with actual numbers.
2026-05-23 · 约6分钟
Got a Korean rent increase over 5%? 7 things to do immediately
If your Korean landlord proposes a 6% renewal increase, here are the 7 steps a tenant should take, in order.