🛠️ All Financial Tools
6 free financial calculators — use them instantly, no sign-up required.
Home Loan Calculator
Calculate monthly payments, total interest, and a full amortization schedule using the standard reducing balance method.
Open tool →Car Loan Calculator
Monthly payment, total interest, and true Effective Interest Rate (EIR). Compare flat rate vs. effective rate side by side.
Open tool →Income Tax Calculator
Calculate Thailand personal income tax for 2026 (B.E. 2569) using the progressive bracket system with all standard deductions — RMF / Thai ESG, insurance, mortgage interest, and more.
Open tool →RMF / Thai ESG Tax Deduction Calculator
Plan your RMF and Thai ESG investments to maximize deductions. See actual tax saved and the effective tax return on your investment.
Open tool →Savings Interest Calculator
Calculate returns on fixed deposits, savings accounts, and compound interest. Supports monthly contributions, with a full year-by-year table and after-tax results.
Open tool →Retirement Calculator
Plan ahead for retirement. See how much you need to save monthly, accounting for current savings, investment returns, inflation, and passive income.
Open tool →About Our Tools
All calculators use standard financial formulas, updated for Thailand's current tax laws (Tax Year 2026 / B.E. 2569). Calculations run entirely in your browser — no personal data is stored or transmitted.
Results are estimates for preliminary planning only. Please consult a licensed financial advisor before making major financial decisions.