Money calculators

Percentages, discounts, VAT and returns

Percentage CalculatorX% of a number, percent change, add or subtract a percentage
Discount CalculatorPrice after a % or fixed discount, including stacked discounts
Thai VAT Calculator (7%)Add VAT or extract it from a VAT-inclusive price, rounded per the Revenue Department
ROI CalculatorInvested this, got that back: what percent return?
Loan Payment CalculatorMonthly instalment and total interest, flat rate or reducing balance
Compound Interest CalculatorStart with this much at this rate: how much after a number of years?
Hourly Wage and Overtime Pay Calculator (Thailand)Salary to hourly wage, overtime at 1.5×, holiday work at 1–3×
Severance Pay CalculatorHow many days’ and baht of severance, by length of service (section 118)
Thai Salary Income Tax CalculatorThai personal income tax for tax year 2569 (2026) from salary, bonus and allowances
Electricity Bill CalculatorYour Thai home electricity bill at the new September 2569 rates, MEA and PEA
Thai Annual Car Tax CalculatorYour annual vehicle tax by cc or weight, with up to 50% off for older cars
Thai Net Salary CalculatorTake-home pay after withholding tax, social security and provident fund