CalKit

CalKit Blog

Tax tips, financial guides, and useful information for everyday life in Korea.

Tax

Complete Guide to Year-End Tax Settlement 2026

A comprehensive guide to Korea's 2026 year-end tax settlement. From commonly missed deductions to updated tax laws — plus calculators to estimate your refund.

February 10, 2026
salary

2026 Take-Home Pay Guide: How Much Do You Actually Receive?

Compare take-home pay from 30M to 100M won after social insurance and income tax. Check the latest 2026 insurance rates and tax-saving strategies.

February 11, 2026
education

2026 New School Year Preparation: Complete Cost Guide for All Levels

From elementary to university, a detailed breakdown of real new school year costs. Includes government subsidies, education tax credits, and monthly budget planning tips.

February 12, 2026
real-estate

March Moving Season 2026: Jeonse vs Monthly Rent Cost Comparison Guide

Jeonse or monthly rent — which is better for you? Compare conversion rates, brokerage fees, and moving costs side by side. Find your optimal choice with CalKit calculators.

February 13, 2026
health

New Year Diet Check: Track Your February Progress with BMI & BMR

How's your New Year diet resolution going? Understand BMI, body fat, and BMR differences, set realistic goals, and follow a 4-week action plan for healthy weight management.

February 14, 2026
finance

Post-Lunar New Year Budget Reset: Monthly Budget Planning for 2026

Feeling the pinch after Lunar New Year spending? Now is the perfect time to reset your household budget and build a monthly plan for 2026. From the 50-30-20 rule to emergency funds, start your financial journey with CalKit calculators.

February 15, 2026
food

Valentine's Day Homemade Chocolate: Ingredient Cost & Calorie Calculator

Want to gift heartfelt homemade chocolates this Valentine's Day? Check top 3 recipes with ingredient costs, calories, and homemade vs store-bought comparisons. Use CalKit calculators to auto-scale ingredients for any number of servings.

February 12, 2026
Tax

2026 Freelancer & Business Tax Guide: Calculate Your Income Tax Early

The complete 2026 income tax guide for freelancers and sole proprietors in Korea. Tax brackets, deductible expenses, VAT filing, and tax-saving strategies including retirement contributions — calculate everything early with CalKit.

February 16, 2026
pregnancy

2026 Pregnancy & Birth Preparation Guide: Due Date to Total Cost

Planning a pregnancy or expecting soon? This guide covers due date calculation, weekly pregnancy checklists, natural vs C-section costs, 2026 government birth benefits, and newborn supply budgets — all in one place.

February 17, 2026