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VAT Calculator (Thailand 7%)

Thai VAT calculator: add 7% VAT to a price or extract VAT from a VAT-inclusive total, with optional 1%, 2%, 3% or 5% withholding tax and the net amount to pay. Clear breakdown, amount in Thai words, copy.

VAT Calculator (Thailand 7%)

How to use VAT Calculator (Thailand 7%)

  1. 1Choose Add VAT or Extract VAT and enter the amount.
  2. 2Check the VAT rate and pick a withholding tax rate if one applies.
  3. 3Copy the total, the breakdown or the amount in words.

What it does

  • Add VAT or extract it from an inclusive price
  • 7% by default, any rate you need
  • Withholding tax 1%, 2%, 3% or 5% on the pre-VAT amount
  • Net payable after withholding
  • Breakdown table and amount in Thai words
  • Rounded to the satang at each step

FAQ

How do I extract 7% VAT from a total?
Divide the VAT-inclusive total by 1.07 to get the price before VAT; the VAT is the difference. For 10,700 baht, the price before VAT is 10,000 and the VAT is 700. The formula is VAT = total × 7 ÷ 107.
Is withholding tax calculated before or after VAT?
On the amount before VAT. For a 10,000 baht service plus 7% VAT (10,700 total), 3% withholding is 300 baht, so the payer transfers 10,400 and gives the payee a withholding tax certificate (50 Tawi).
Which withholding tax rate should I use?
Common rates for payments to companies are 1% for transport, 2% for advertising, 3% for services and hire of work, and 5% for rent. The right rate depends on the type of payment and who is paid, so check with the Revenue Department or your accountant.
Why is Thai VAT 7% and not 10%?
The law sets VAT at 10%, but it has been reduced to 7% by decree and the reduction has been extended repeatedly. You can type any rate if it changes.

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