Calculators
Calculate sales tax amount and total price from base price and tax rate.
Use this sales tax calculator to calculate tax amount and final total from a base price and tax rate. It is useful for invoices, purchases, quotes, and quick pricing checks.
Use this sales tax calculator to calculate tax amount and final total from a base price and tax rate. It is useful for invoices, purchases, quotes, and quick pricing checks.
Use sales tax calculator when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
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Input
100 17
Output
Base price: 100.00 Tax rate: 17.00% Tax amount: 17.00 Total price: 117.00
Useful for adding tax to a base amount.
Input
250 8.5
Output
Base price: 250.00 Tax rate: 8.50% Tax amount: 21.25 Total price: 271.25
Supports decimal tax rates.
Fix: Enter tax as a percentage value like 17 for 17%.
Fix: Enter a valid positive base price.
Fix: This version calculates tax from base price, not reverse tax extraction.
It calculates tax amount and total price from a base price and tax rate.
Enter it as a percentage, such as 17 for 17%.
Yes. Rates like 8.5 are supported.
Yes. It shows base price, tax amount, and total price.
Yes. It works for general percentage-based tax additions.