Sales Revenue Calculator
Revenue Summary
Gross Revenue (before discounts)-
Discount Amount-
Net Revenue (after discounts)-
VAT Collected-
Revenue Excluding VAT-
Sales Revenue Examples
| Units | Price | Discount | Gross Revenue | Net (ex VAT) |
|---|---|---|---|---|
| 100 | £29.99 | 0% | £2,999 | £2,499 |
| 500 | £29.99 | 10% | £14,995 | £11,246 |
| 1,000 | £29.99 | 15% | £29,990 | £21,243 |
| 5,000 | £29.99 | 20% | £149,950 | £99,967 |
Net revenue excluding VAT at 20%. Gross revenue is before any discounts are applied.
UK VAT Rates 2025/26
Standard Rate
20%
Reduced Rate
5%
Zero Rate
0%
VAT Threshold
£90,000
Flat Rate (avg)
11–16.5%
VAT Return
Quarterly
How to Use This Calculator
1
Enter units sold
Input total number of products or services sold in the period.
2
Set price per unit
Enter your selling price per item. This can be inclusive or exclusive of VAT.
3
Add average discount
If you offer discounts, enter the average percentage. Set to 0 if no discounts apply.
4
Select VAT rate
Choose the applicable VAT rate. Standard is 20%. Some goods are reduced (5%) or zero-rated.
5
Review revenue breakdown
See gross revenue, discount impact, net revenue, VAT collected and revenue excluding VAT.
Frequently Asked Questions
What is sales revenue?
Sales revenue is total income from selling goods or services. It equals units sold multiplied by price per unit. Net sales revenue subtracts returns, discounts and allowances from gross revenue.
What is the difference between gross and net revenue?
Gross revenue is total sales before any deductions. Net revenue subtracts returns, discounts and VAT. For tax purposes, HMRC uses turnover which is typically net of VAT but before other deductions.
When should I register for VAT?
You must register when taxable turnover exceeds £90,000 in any 12-month period. Once registered, you charge VAT on sales and reclaim VAT on purchases. The VAT return is typically filed quarterly.
How do discounts affect revenue?
Discounts directly reduce revenue. A 10% discount on £100,000 gross revenue means £10,000 less income. Consider the impact on profit margins carefully — a 10% discount on a 20% margin product requires a 50% increase in volume to maintain the same profit.
Should I price including or excluding VAT?
For B2C sales, UK law requires prices to include VAT. For B2B sales, prices are typically quoted excluding VAT. Ensure your revenue calculations distinguish between VAT-inclusive and exclusive figures.
Official Sources & References
Data verified against official sources. Last checked April 2026.