Tax-Inclusive vs. Tax-Exclusive Pricing: What’s the Difference?
Updated: Aug 13
A $100 price can lead to two different totals depending on how tax is handled. With tax-inclusive pricing, tax is already included in the displayed price. With tax-exclusive pricing, tax is calculated on top of the base price.
Here’s how both methods work, how to calculate them, and what to consider when deciding how to show tax on your quotations and invoices.
What Is Tax-Inclusive Pricing?
Tax-inclusive pricing means the displayed price already includes the applicable tax.
For example, if an item costs $109 including 9% tax, the customer pays $109. The base price is $100 and the remaining $9 is tax.
To find the base price, divide the tax-inclusive total by 1 plus the tax rate.
$109 ÷ 1.09 = $100
Inclusive pricing is commonly used in consumer-facing markets where prices are expected or required to show the final amount including tax.
What Is Tax-Exclusive Pricing?
Tax-exclusive pricing shows the price before tax. The applicable tax is then added to that amount.
For example, a $100 item subject to 9% tax would have $9 added, resulting in a total of $109.
$100 + ($100 × 9%) = $109
Whether tax can or should be displayed separately depends on the applicable pricing and tax rules.
Tax-Inclusive vs. Tax-Exclusive Pricing: What’s the Difference?
The difference is whether tax is already part of the displayed price or added to it afterward.
Tax-Inclusive | Tax-Exclusive | |
Displayed price | Includes tax | Excludes tax |
Tax calculation | Tax is extracted from the total | Tax is added to the base price |
Customer total | Tax is already reflected | Increases when tax is added |
Useful when | Prices need to show tax upfront | Prices are quoted before applicable tax |
Tax details on documents | Depends on local requirements | Depends on local requirements |
Both methods can arrive at the same final amount. What changes is how the price and tax are presented.
Keeping that treatment consistent from quotation to invoice also matters. If a quotation uses one method and the invoice uses another, the customer may see a different total from what they originally expected. This is one reason tax configuration matters throughout the quote-to-cash process.
How to Calculate Inclusive and Exclusive Tax
For a single percentage-based tax, the basic formulas are straightforward:
Tax-inclusive to base price: Total ÷ (1 + tax rate)
Tax amount from inclusive price: Total − base price
Tax on an exclusive price: Base price × tax rate
Final tax-exclusive total: Base price + tax
Using a $100 base price and 9% tax, both methods result in a $109 final amount. The difference is whether $109 or $100 is presented as the starting price.
When to Use Tax-Inclusive vs. Tax-Exclusive Pricing
Start with the pricing and invoicing rules that apply where you sell. Some jurisdictions require consumer-facing prices to include tax, while business-facing prices may be treated differently.
Your billing process may also need to support both methods if different products, customers, or markets require different tax treatment. Rather than setting one method for every transaction, check whether your billing software can configure tax at the level your business needs.
What If More Than One Tax Applies?
Some transactions can have more than one tax rate applied to the same item. Billing systems may refer to this as a composite tax or support multiple tax components on one line item.
How those taxes are calculated can vary. If you need multiple rates, check whether each tax is calculated from the same base amount or whether one tax is applied after another, as well as how the system handles rounding.
Apply the Right Tax Treatment to Each Billing Item
If your catalog includes products or services with different tax requirements, Billing as a Service for Microsoft Teams lets you configure inclusive, exclusive, or composite tax per item, alongside pricing and currency. Tax and rounding are handled consistently across document previews, saved records, and PDFs.
That gives you more flexibility without maintaining separate price lists for different tax treatments. If you want to see how it works with your own catalog, add a few items and compare how each tax setup appears on your billing documents.
FAQ
Is VAT tax-inclusive or tax-exclusive?
VAT can be calculated and presented in either way, but pricing rules determine what customers must see. For example, consumer-facing prices in the EU generally need to include VAT, while business-facing pricing may be shown differently.
Does a tax-inclusive price still need to show the tax amount?
It depends on the invoicing and tax requirements that apply to the transaction. Tax-inclusive pricing describes how the price is presented, not every detail that must appear on the invoice.
Can I switch between inclusive and exclusive pricing?
Yes, if your billing setup supports both. However, changing the tax treatment can change how customers see the quoted price, so existing quotations and agreed pricing should be handled consistently.
Which is legally required, tax-inclusive or tax-exclusive pricing?
That depends on the jurisdiction, type of customer, and transaction. Check the rules that apply where you sell rather than choosing solely based on preference.
Is composite tax the same as compound tax?
Not necessarily. Tax terminology and calculation methods vary between systems. If multiple taxes apply, check how your billing platform calculates each rate rather than relying only on the label.
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