VAT looks simple: 15% in Saudi Arabia, added to the price. In day-to-day work, though, the questions pile up. Are store prices inclusive of VAT or not? How do I find a product’s pre-VAT price if it’s displayed at SAR 230? Why doesn’t my number match the accountant’s by a few halalas? And what about a store that also sells in the UAE and Egypt?
This article walks through the correct calculation step by step, the single most common mistake merchants make, and how it all feeds into pricing and profit margin.
This article explains the arithmetic for educational purposes and isn’t tax advice. For special cases — exempt or zero-rated supplies, registration, returns — refer to the Zakat, Tax and Customs Authority (ZATCA) in Saudi Arabia, your local tax authority, or a licensed accountant.
The core idea in one sentence
VAT is a percentage of the net (pre-VAT) price that gets added to it, so what the customer pays is the “inclusive price”. Every calculation revolves around this relationship:
Inclusive price = pre-VAT price × (1 + VAT rate)
At 15%, the factor is 1.15. At 5% (UAE and Oman) it’s 1.05, at 14% (Egypt) 1.14, and at 10% (Bahrain) 1.10.
Operation one: adding VAT to a price
When you have a pre-VAT price and want to know what the customer will pay:
- VAT amount = price × 0.15
- Inclusive price = price × 1.15
Example: a product priced at SAR 200 before VAT. VAT = 200 × 0.15 = SAR 30. Inclusive price = 200 × 1.15 = SAR 230.
Operation two: extracting the pre-VAT price
This is where the famous mistake happens. You have an inclusive price — say SAR 230 shown in your store or on a supplier invoice — and want the pre-VAT price. The correct method is to divide by 1.15:
- Pre-VAT price = inclusive price ÷ 1.15 = 230 ÷ 1.15 = SAR 200
- VAT amount = inclusive price − pre-VAT price = SAR 30
Why multiplying by 0.85 is wrong
Many people think: “VAT is 15%, so I’ll take 15% off the inclusive price,” and multiply 230 × 0.85 = 195.5. That’s off by SAR 4.50, because the 15% is calculated on the pre-VAT price (200), not the inclusive price (230). Taking 15% off 230 removes 34.5 instead of 30.
| Inclusive price | Correct (÷ 1.15) | Wrong (× 0.85) | Difference |
|---|---|---|---|
| 115 | 100.00 | 97.75 | 2.25 |
| 230 | 200.00 | 195.50 | 4.50 |
| 1,150 | 1,000.00 | 977.50 | 22.50 |
| 11,500 | 10,000.00 | 9,775.00 | 225.00 |
On one product the gap looks trivial; in monthly reports, tax returns or profit calculations it becomes a real error. Our VAT calculator shows the formula it used under every result, so you can see it divides by 1.15.
VAT rates in the region
| Country | Standard rate | Factor |
|---|---|---|
| Saudi Arabia | 15% | 1.15 |
| UAE | 5% | 1.05 |
| Bahrain | 10% | 1.10 |
| Oman | 5% | 1.05 |
| Egypt | 14% | 1.14 |
These are the standard rates in force, and some goods and services may be treated differently. Kuwait and Qatar had not introduced VAT at the time of writing. Always confirm with the official authority before using a rate in your systems.
Currencies with three decimals
The Bahraini dinar, Omani rial and Kuwaiti dinar divide into a thousand units (fils or baisa), not a hundred, so amounts are shown with three decimals — 11.000 BHD, for example. If you sell in these countries, make sure your store supports this to avoid rounding differences on invoices. The calculator handles these currencies with three decimals automatically.
Multi-item invoices: where halala differences appear
For an invoice with several products there are two approaches: calculate VAT per line and add it up, or total the amounts and calculate VAT once. They usually match, but with fractional prices the result can differ by a halala or two because of rounding. That’s normal, not a calculation error — what matters is using one consistent method on every invoice, matching what your e-invoicing system applies.
The calculator’s multi-item invoice section lets you enter quantity and unit price per product, totals the net amount, VAT and inclusive total, and copies the whole invoice as text.
How to display prices in your online store
Customers in Saudi Arabia are used to seeing the final price they’ll pay. A price that jumps at checkout because VAT is added causes frustration and raises cart abandonment. So in most consumer stores it’s best to show VAT-inclusive prices clearly, with “Price includes VAT” near the price — and check the official display requirements in your country.
Platforms like Salla, Zid and Shopify let you choose whether entered prices include VAT. Make that choice once, deliberately, because changing it later can change displayed prices across all your products.
VAT and profit margin: don’t mix them up
VAT isn’t your income; you collect it on the state’s behalf and remit it. So always calculate your margin on the pre-VAT price. A product selling at SAR 230 inclusive with a cost of SAR 120 doesn’t make you 110 — it makes 200 − 120 = 80, before any other costs. That mistake alone makes some merchants believe they earn far more than they do.
For full profit after VAT, shipping, platform commission, payment fees and ads, use our profit margin calculator, and when planning promotions use the discount calculator to see what a price cut does to your profit.
Common mistakes in daily practice
- Multiplying by 0.85 to get the net price instead of dividing by 1.15.
- Discounting the inclusive price and then adding VAT again, so VAT is counted twice.
- Treating VAT as profit in sales reports.
- Mixing inclusive and exclusive prices in the same file or quote.
- Rounding every step instead of rounding at the end, so differences pile up.
A worked example: from supplier invoice to store price
Say a supplier invoice reads SAR 345 including VAT for three units. What are the right steps?
- Extract the pre-VAT cost: 345 ÷ 1.15 = SAR 300, or 100 per unit. That’s your real cost if you’re VAT-registered and reclaim input VAT.
- Set the pre-VAT selling price from the margin you want — say SAR 180 per unit.
- Add VAT for the displayed price: 180 × 1.15 = SAR 207, then round to a sensible price such as 209.
- Check it backwards: 209 ÷ 1.15 = 181.74 before VAT, with 27.26 VAT.
If you aren’t VAT-registered, the VAT you paid the supplier is part of your cost, so the cost here is 115 per unit, not 100. That difference alone changes the whole margin calculation, so settle your VAT status before any pricing.
Frequently asked questions
How do I work out 15% quickly?
Multiply by 0.15 — or take 10% (move the decimal point one place left) and add half of it. Example: 10% of 400 = 40, half of that is 20, total 60.
Is VAT charged on shipping fees?
In many cases shipping is treated as part of the supply and is subject to VAT, but it depends on the nature of the service and your country’s rules. Check with the tax authority or your accountant.
Can I use the calculator for official invoices?
No — it’s a calculation and estimation tool. Official tax invoices in Saudi Arabia must be issued from an e-invoicing system that meets ZATCA’s requirements.
What if I’m not VAT-registered?
If you aren’t registered and aren’t required to be, don’t add VAT to your invoices — and choose 0% in the profit margin calculator.
Calculating VAT correctly protects you from small errors that grow into big numbers in reports and pricing. Use our free VAT calculator to add and remove VAT with confidence — and if you’re building a store or reviewing your pricing and campaigns, get in touch.
