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Calculate multiple items in one place.

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VAT 7% update year 2026

Multiple VAT Calculator

The Multiple VAT Calculator estimates a tax and statutory rate estimate for your scenario from the quantities, rates, period, units and other assumptions requested on the page. Replace the example values with your own multiple vat figures and recalculate after changing an assumption. Treat it as a planning estimate and independently verify the current rule or provider terms.

Add a product or service item Select whether the price is excluding or including VAT. The system will calculate VAT 7% for every item and summarize the total immediately.

Product/Service List

VAT calculation formula 7%

Price does not include VAT → Includes VAT

Total price = Price before VAT × 1.07

VAT = Price before VAT × 0.07

Price includes VAT → VAT separately

Price before VAT = Total price ÷ 1.07

VAT = Total price - Price before VAT

Frequently asked questions

What is VAT 7% calculated from?
VAT 7% is calculated from the value of the product or service before VAT. If the price does not include VAT, multiply 1.07 to get the total price. If the price includes VAT, then divide 1.07 to get the price before VAT and VAT = Price before VAT × 0.07
How do multiple tax invoices combine VAT?
You can add VAT to each item because VAT is the same rate (7%). Sum of VAT = Sum of value before VAT × 7%.
If some products are exempt from VAT, what should I do?
Items exempt from VAT, such as agricultural products, medicines, education, enter a price and select "VAT exempt". The calculator will not charge VAT for that item.
When must a tax invoice be issued?
VAT registered operators must issue a tax invoice every time they sell goods or services covered by VAT within 15 days or as soon as their VAT liability arises.
How is an abbreviated tax invoice different from a regular tax invoice?
The abbreviated tax invoice does not need to specify the buyer's name. used for retail The value does not exceed 1,000 baht. As for the normal tax invoice, the name and address of the buyer must be specified. Can be used as a document to request a VAT refund.
What size business must register for VAT?
Entrepreneurs whose income from selling products or services exceeds 1,800,000 baht per year must register for VAT within 30 days from the date their income exceeds.
What are VAT Input and Output Tax?
Output VAT: Tax collected from customers | Input VAT: Tax paid to suppliers | Tax that must be remitted to the Revenue Department = Output VAT - Input VAT. If negative, receive a refund or credit the next month.
What products and services are exempt from VAT?
Fresh food, unprocessed fruits and vegetables, live animals, fertilizers and insecticides, newspapers/magazines, health/education services, domestic passenger transportation

Official reference source

Learn more from our article.

Disclaimer: Calculation results are only estimates. Please check with your tax professional for actual tax invoices.

English calculator guide

How to use the Multiple VAT Calculator

Use this page to test a specific multiple vat scenario. Enter your own values in the calculator above, review the units beside each field, and recalculate after changing an assumption. The result updates the multiple vat estimate instead of relying on a generic example.

  1. Build a baseline multiple vat case with figures that match your situation.
  2. Run a second multiple vat case after changing the rate, period, quantity or other key assumption.
  3. Record the difference between the two multiple vat results and the input responsible for it.

Inputs for the multiple vat estimate

For this multiple vat calculation, check the quantities, rates, period, units and other assumptions requested on the page. The result is designed to show a tax and statutory rate estimate for your scenario, not a guaranteed provider price or official decision.

How the multiple vat result is calculated

The calculator applies the displayed statutory rates, thresholds and allowances to the figures you enter. Reusing the same multiple vat inputs will produce the same estimate, which makes the page suitable for controlled scenario comparisons.

Checks for a multiple vat decision

Confirm any current rate, threshold or provider rule that could change the final amount. For multiple vat, Treat the result as an estimate for planning. Tax rules, eligibility and deduction limits can depend on the tax year and your evidence, so compare the result with current Revenue Department guidance or a qualified adviser. Because this calculation can affect an important financial, legal or health decision, independently verify the inputs and current rules before relying on the result.

Language QA
Terminology, numeric values and calculator controls checked
Calculator scope
Tax and statutory rate
Last English review
26 July 2026

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Creator
Kamnuanlek editorial team
reviewer
Kamnuanlek recipe and resource review team
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