Sales Tax Calculator
Add sales tax to a price and estimate the total amount due.
Calculate Sales Tax
£
%
Sales tax calculator guide
WeCovr's sales tax calculator estimates the tax amount and total price from a pre-tax amount and a tax rate. It is useful when comparing prices, budgeting for purchases, or checking receipts.
What this sales tax calculator shows
The calculator applies a percentage-based sales tax rate to a pre-tax price and returns the tax amount plus the final total.
It is a simple purchase-planning tool rather than a substitute for jurisdiction-specific tax rules.
Shows tax amount separately.
Shows final post-tax price.
Useful for purchase planning and comparisons.
Why sales tax estimates help
A product can look affordable at sticker price but feel different once tax is added. A quick estimate helps you compare true checkout cost more clearly.
What this calculator does not include
Real-world tax can depend on location, product type, exemptions, and rounding rules. This tool assumes one flat tax rate applied to the full price.
Sales tax examples
| Pre-tax price | Tax rate | Tax amount | Total |
|---|---|---|---|
| £100 | 5% | £5.00 | £105.00 |
| £120 | 8.25% | £9.90 | £129.90 |
| £250 | 10% | £25.00 | £275.00 |
Related WeCovr resources
FAQs
Does this calculator remove tax from a tax-inclusive price?
No. This version adds tax to a pre-tax amount. A reverse-tax calculator would be needed to work backward from a tax-inclusive price.
Can I use it for VAT or GST too?
The maths is similar, but the naming and legal treatment can differ. This tool is best thought of as a generic percentage-based tax estimate.
Why might the checkout total still differ?
Shops and jurisdictions may use different rounding rules or product-specific tax treatment, which can produce small differences.
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