Sales tax insights
Long-form guides on reverse sales tax, USA state rates, online shopping, SaaS taxability, and bookkeeping—reviewed by our editorial team and built for real-world receipts.
How to Reverse Calculate Sales Tax (Step-by-Step)
Learn how to reverse calculate sales tax from any receipt total — with real examples, common mistakes, and a free calculator.
USA Sales Tax Rates by State (2026 Overview)
State-by-state sales tax overview for 2026 — base rates, local quirks, and links to reverse calculators.
What Is Reverse Sales Tax?
Reverse sales tax explained in plain English — when you need it, how it differs from forward tax, and real-world uses.
How Businesses Remove Sales Tax from Receipts
Bookkeeping workflows for separating tax from gross receipts — for expenses, COGS, and resale.
Sales Tax Guide for Online Shopping
How sales tax works on Amazon, Shopify, and marketplace purchases — and how to reverse-calc your order total.
Sales Tax Audit Prep Guide (USA) — Documentation & Reverse Math
How to prepare for a state sales tax audit: substantiation, reverse-calculated receipts, and common examiner requests.
Reverse Sales Tax in QuickBooks — Split Receipts the Right Way
Enter pre-tax amounts and sales tax separately in QuickBooks Online and Desktop using reverse sales tax math.
SaaS Sales Tax in the USA — Nexus, Rates & Reverse Math
When SaaS is taxable by state, how to read tax-inclusive invoices, and how reverse calculation helps finance teams.
How to Back Out Sales Tax from a Total: Step-by-Step Formula
In this guide, you wll learn the exact reverse sales tax formula, see real-world examples, and find out the fastest way to do this calculation
Sales Tax Holidays 2026: Which States Offer Tax-Free Shopping
Calendar infographic showing 2026 sales tax holiday dates by state — back-to-school tax-free weekends, disaster preparedness holidays, and annual exemptions.
Texas Reverse Sales Tax Calculator: Find Your Pre-Tax Price
Use our free Texas reverse sales tax calculator to find the original price before tax. Covers all Texas cities — Houston, Dallas, Austin, San Antonio and more.
Florida Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Florida reverse sales tax calculator. Find the original price before tax for any Florida county — Miami, Orlando, Tampa, Jacksonville and more. Covers Florida's unique surtax system.
States with No Sales Tax: The Complete 2026 Guide
Map infographic of 5 US states with no statewide sales tax — Oregon, Montana, Delaware, New Hampshire, and Alaska — with rates and hidden tax notes.
Canada GST/HST Reverse Calculator: Remove Tax from Price (2026)
Canada GST HST reverse calculator — province-by-province tax rate guide showing Ontario HST 13%, Quebec QST, Alberta GST 5%, and all Canadian tax types explained.
India GST Reverse Calculation: How to Find Pre-GST Price (2026)
India GST Reverse Calculation Guide — all 4 GST slabs (5%, 12%, 18%, 28%), CGST SGST, IGST explained, with pre-GST price formula and step-by-step examples.
VAT Reverse Calculator: Remove VAT from Price (UK & Europe 2026)
VAT Reverse Calculator for the UK and Europe — standard VAT rates by country: UK 20%, Germany 19%, France 20%, Italy 22%, with a pre-VAT price formula and step-by-step examples.
How To Calculate Sales Tax in Excel: Every Formula You Need
Excel Sales Tax Formula Guide — Spreadsheet Showing Reverse Tax Formula =A2/(1+B2), Forward Formula, VLOOKUP Rate Table, and Verification Column for Bulk Receipt Processing.
How To Calculate Sales Tax on a Receipt: Verify Your Charges
Sample Retail Receipt Showing Subtotal, 8.25% Tax Amount, and Total with Verification Formula — Guide to Reading and Verifying Sales Tax Charges on any Receipt.
ECommerce Sales Tax: How Sellers Use Reverse Calculation (2026)
eCommerce sales tax reverse calculation guide — platform comparison showing Shopify, Amazon, Etsy, eBay tax collection methods, gross payout reconciliation, and 1099-K tax separation.