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.
Restaurant Tips and Sales Tax: Should You Tip on Pre-Tax or Total?
Restaurant receipt showing food subtotal $80, sales tax $6.60, and comparison of tipping 20% on pre-tax ($16.00) vs total ($17.32) — saving $1.32 per meal.
California Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
California Reverse Sales Tax Calculator — city-by-city rate guide showing Los Angeles 10.25%, San Francisco 8.625%, San Diego 7.75%, San Jose 9.375% with pre-tax price formula.
New York Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
New York Reverse Sales Tax Calculator — City and County Rate Guide Showing NYC 8.875%, Nassau County 8.625%, Buffalo 8%, with Clothing Exemption Rules and Pre-Tax Price Formula.
Washington State Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Washington State reverse sales tax calculator. Find the original price before tax for Seattle (10.35%), Tacoma, Spokane, Bellevue, and all WA cities. Covers Washington's high combined rates, no income tax context, and 20 city rates.
Illinois Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Illinois reverse sales tax calculator. Find the original price before tax for Chicago (10.25%), Springfield, Peoria, Rockford and all IL cities. Covers Illinois's unique tiered rate system — groceries at 1%, general merchandise at 6.25% state base.
Tennessee Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Tennessee reverse sales tax calculator. Find the original price before tax for Memphis (9.75%), Nashville (9.25%), Knoxville, Chattanooga, and all TN cities. Covers Tennessee's unique food tax rate (4% state) and the $1,600 single-article cap.
Georgia Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Georgia reverse sales tax calculator. Find the original price before tax for Atlanta (8.9%), Augusta, Savannah, Columbus and all GA counties. Covers Georgia's SPLOST system, grocery exemption, and 17 county rates.
Arizona Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Arizona reverse sales tax calculator. Find the original price before tax for Phoenix (8.6%), Tucson (8.7%), Scottsdale, Chandler, and all AZ cities. Covers Arizona's unique TPT system with 18 city rates and grocery exemption rules.
Pennsylvania Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Pennsylvania reverse sales tax calculator. Find the original price before tax for Philadelphia (8%), Pittsburgh (7%), and all other PA cities (6%). Covers Pennsylvania's broad clothing and food exemptions — some of the widest in the US.
Michigan Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Michigan reverse sales tax calculator. Michigan charges a flat 6% sales tax statewide — same rate in Detroit, Grand Rapids, Ann Arbor, Lansing and every other city. One formula covers the entire state: divide by 1.06.
Ohio Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Ohio Reverse Sales Tax Calculator. Find the original price before tax for Cleveland (8%), Columbus (7.5%), Cincinnati (7.8%), Toledo, and all OH counties. Covers Ohio's county-based tax system with 18 county rates and a food exemption guide.
Virginia Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Virginia reverse sales tax calculator. Northern Virginia and Hampton Roads charge 6%, most of Virginia 5.3%, Williamsburg Historic Triangle 7%, and food statewide 2.5%. Complete regional guide with 19 city rates.
Colorado Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Colorado Reverse Sales Tax Calculator. Denver 8.81%, Boulder 8.845%, Colorado Springs 8.2%, Aspen 10.4%, and all CO cities. Covers Colorado's unique home rule city system, resort town rates, and the lowest state base rate in the US at 2.9%.
Nevada Reverse Sales Tax Calculator: Find Your Pre-Tax Price (2026)
Free Nevada Reverse Sales Tax Calculator. Las Vegas / Clark County 8.375%, Reno / Washoe County 8.265%, Carson City 7.6% and all NV counties. Covers Nevada's county-based system, grocery exemption, tourism taxes, and no income tax context.