Thailand Toolkit

Annual Income Calculator

Combine salary, bonuses, and other income into a total annual figure.

E.g. a “13th month” bonus is 1.

Freelance, rental, dividends, etc.

Want to know the tax on this total? Try the Income Tax Calculator.

Total annual income

฿650,000

Breakdown

Base salary (×12)฿600,000
Bonus฿50,000
Other income฿0
Total฿650,000

How this is calculated

Monthly salary × 12, plus your bonus (as a multiple of monthly salary), plus any other annual income you enter. A straightforward sum — no tax or deductions are applied here.

Frequently asked questions

What counts as 'other annual income'?

Anything recurring or one-off that isn't your base salary or bonus — freelance work, rental income, dividends, and similar.

How is the bonus calculated?

As a multiple of your monthly salary — enter 1 for a standard 13th-month bonus, or a decimal for a partial or larger bonus.

Can I use this total for tax planning?

Yes — plug the total (or just your salary and bonus) into the Income Tax Calculator to estimate tax on it.