To calculate VAT in 2026, first determine the amount on which the tax is calculated and the rate applicable to the transaction. The general VAT rate of 16% applies to transactions subject to the general rate. If the price is stated exclusive of tax, the VAT amount equals that price multiplied by 16%. If the tax is already included in the total price, it is extracted using the formula: price including VAT × 16 / 116. The type of transaction, the terms of the agreement, and the grounds for recognizing the VAT amount in the accounts must be determined before performing the arithmetic calculation.
How to calculate VAT in 2026
For the calculation, it is important to understand which amount is known to the accountant: the price excluding VAT or the total price including tax. It is also necessary to establish whether the general rate of 16% or another prescribed procedure applies to the transaction.
If the price excluding VAT is known and the 16% rate applies, use the following sequence:
determine the amount on which the tax is calculated;
convert the 16% rate into a decimal fraction — 0,16;
multiply the initial amount by 0,16;
add the calculated tax to the initial amount if the total price is required.
The formulas are as follows:
VAT = price excluding VAT × 16%.
Price including VAT = price excluding VAT + VAT.
For example, if the price excluding tax is denoted as B, the tax will amount to B × 0,16. The total price will equal B × 1,16. This notation is used when the transaction is subject to VAT at the rate of 16% and the contract price is stated exclusive of tax.
If only the price that already includes VAT at the rate of 16% is known, the reverse calculation is used:
VAT = price including VAT × 16 / 116.
Price excluding VAT = price including VAT − extracted VAT.
Before making the calculation, check whether the amount stated in the agreement or source document actually includes tax. The phrases “including VAT” and “excluding VAT” produce different results even when the price is the same. If a different rate applies to the transaction, the corresponding rate is used in the formula: VAT is extracted from the tax-inclusive amount as follows: price including VAT × rate / (100 + rate).
What the accountant should check before the calculation
The mathematical formula is only the final stage. First, it is necessary to determine the VAT status of the transaction party, the substance of the transaction, and the amount on which the tax is calculated. In particular, the accountant should check:
whether the organization or individual entrepreneur is registered for VAT;
whether the specific transaction is subject to VAT;
whether an exemption or another prescribed procedure applies to it;
which rate applies to this type of transaction;
whether the tax is included in the contract price;
whether there are documents confirming a change in the value of the transaction;
whether the data in the agreement, source documents, and electronic invoice are consistent.
In 2026, the general VAT rate is 16%. It is applied after determining the taxation procedure for the specific transaction. The price and other value indicators recorded in the agreement and the transaction documents are used for the arithmetic calculation.
Special attention is required when dealing with a foreign counterparty, returning goods, granting a discount, changing the price, or fulfilling tax agent obligations. In such situations, the substance of the transaction and the documented changes are established first, after which the tax amount is calculated or adjusted.
Calculating VAT: verifying the result and working in 1C
After the calculation, compare the price excluding tax, the VAT amount, and the total price. The basic control relationship is simple: the price excluding tax plus VAT must equal the price including tax. A discrepancy may arise due to rounding, a manual change to the amount, differences between prices in documents, or an incorrectly specified indicator showing whether tax is included in the price.
When recording a transaction in the accounting system, check more than just the total amount. The rate in the document line, the type of transaction, the accounting settings, and the completion of the electronic document details are also relevant. The path to the required details depends on the configuration and version of 1C being used, so verification should focus on the document contents: the price, rate, price excluding VAT, VAT amount, and the indicator showing whether tax is included.
If the system displays a zero VAT amount after an adjustment for a selected taxable transaction, compare the rate, tax amount, type of adjustment, and return indicator with the source documents. A zero value may be related to how the document details were completed. It should be corrected based on the transaction data rather than by formally entering an arbitrary amount.
When recording VAT based on an electronic invoice, compare its data line by line with the source documents. Check the transaction value, rate, tax amount, supplier and buyer details, as well as the link between the adjustment and the original electronic invoice. After resolving the discrepancies, the document can be checked again using the information system tools and then saved and posted in the accounting software.
For a self-check of the calculation, it is convenient to use a table with the following columns:
price excluding VAT;
applicable rate;
calculated VAT;
price including VAT;
amount according to the source document;
amount according to the electronic invoice;
identified discrepancy.
A VAT calculator in 2026 can speed up the arithmetic: the 16% general rate should be used in it. At the same time, the accountant determines the procedure applicable to the transaction, the initial amount for the calculation, and whether the tax must be charged on top of the price or extracted from the total amount.
Frequently asked questions
How do I calculate VAT on top of the price? — If the general rate of 16% applies, multiply the price excluding tax by 0,16. Add the resulting amount to the initial price to determine the price including VAT.
How do I extract VAT from the total amount? — If the total amount includes VAT at the rate of 16%, multiply it by 16 and divide by 116. Then subtract the extracted tax to obtain the price excluding VAT.
Can I use a 2026 VAT calculator? — Yes, to check the arithmetic. For transactions subject to the general rate, enter 16%. The accountant determines the applicable procedure and initial amount based on the substance of the transaction, the agreement, and the documents.
Why is the VAT amount in 1C zero after an adjustment? — Check the tax amount, selected rate, type of adjustment, and return indicator. The details must be corrected in accordance with the source documents and the substance of the transaction.
What should I do if the calculation does not match the electronic invoice? — Compare the document lines, transaction value, rate, tax amount, and rounding procedure. The values in the accounting system must correspond to the source documents and the electronic invoice.
Sources
Tax Code of the Republic of Kazakhstan — Article 503 “Value Added Tax Rates”
State Revenue Committee — VAT rates in 2026