taxUpdated March 15, 2026
Sales Tax Calculator
Add sales tax to a subtotal to estimate the final checkout or invoice total, with visible tax amount and pricing explanation.
sales tax formulasales tax amount calculator
Category hub
Tax Calculators
This category covers tax-related estimation pages for checkout totals, invoice review, and net-versus-gross calculations. The pages stay tightly scoped to estimation and explanation rather than pretending to replace formal tax treatment.
What you will find here
Checkout planning, invoice review, and gross-to-net tax estimates
The tools answer the calculation first, and selected guides cover the follow-up questions that need a fuller explanation.
Tools in this category
taxUpdated March 15, 2026
VAT Calculator
Add VAT to a net price and see the gross total, with examples useful for invoicing, procurement, and cross-border pricing.
vat formulaadd vat to price
taxUpdated March 15, 2026
Pre-Tax Price Calculator
Reverse-calculate the base price from a tax-inclusive total to separate pre-tax value from the tax portion.
reverse sales tax calculatortax exclusive price
Supporting guides
Guide9 min
Sales Tax vs VAT: Similar Goal, Different Tax Systems
They are both consumption taxes, but the invoice logic and calculation direction are not the same.
Updated March 15, 2026