Delaware Sales Tax Calculator (2026) — Add or Reverse Tax
Delaware's combined sales tax rate is 0.00% (0.00% state). Use the calculator below to add Delaware sales tax to a price, or reverse a tax-included total to find the pre-tax price and exact tax amount.
How to use this calculator:
- Adding tax — enter a pre-tax price, pick "Add tax to price," and the calculator applies the Delaware rate to show the tax amount and final total.
- Reversing (extracting) tax — enter a total that already includes tax, pick "Extract tax from total," and the calculator divides by 1 + the rate to isolate the pre-tax price and the exact tax paid.
- Pick the rate that matches your situation: the average combined rate is a good statewide estimate, but the state-only or maximum-local rate is more precise if you know the exact city or county.
Understanding Delaware Sales Tax
Delaware's state sales tax rate is 0.00%, with no additional local sales tax in most of the state.
Delaware charges no sales tax at all, making it a popular destination for large out-of-state purchases — though buyers may still owe use tax back home.
Delaware also levies a state income tax, which shapes how much the state relies on sales tax revenue relative to other funding sources.
Groceries
Exempt from Delaware state sales tax.
Largest city
Wilmington
State income tax
Yes
Why Reverse Sales Tax Calculation Matters
Receipts and marketplace payouts usually show only the tax-included total, so separating revenue from tax collected — for bookkeeping, expense reports, or checking what an item costs before Delaware's tax is applied — means working backward from that total. Dividing by (1 + rate) isn't the same as subtracting the rate, which is why the calculator above handles it exactly.
How Delaware Fits Into the US Sales Tax System
The United States has no federal sales tax — unlike VAT/GST countries where a national rate applies everywhere, US sales tax is set entirely at the state level, and each of the 50 states (plus DC) independently decides whether to levy one, what the rate is, and what's exempt. Delaware is one of the 5 states with no general state-level sales tax (the others are Delaware, Montana, New Hampshire, and Oregon). States can also authorize cities, counties, and special districts to add their own local rate on top of the state rate — which is why the "combined rate" shown on this page is a blend, not a single fixed number, and why it can differ from the state rate alone by several percentage points depending on the exact delivery address.
History & Rate Breakdown
Delaware has never levied a general sales tax. Instead of taxing consumers at checkout, the state taxes businesses directly through a Gross Receipts Tax on total business revenue — a deliberate policy choice designed to make Delaware attractive to shoppers and, separately, to the many corporations that incorporate there for its business-friendly franchise tax structure.
There is no combined rate to break down in Delaware because there is no sales tax at any level — state, county, or city. In its place, businesses pay a Gross Receipts Tax that varies by industry, typically from about 0.0945% to under 2% of total revenue, which is not itemized or passed to customers the way sales tax is.
Where the Money Goes
Delaware funds state government primarily through corporate franchise taxes, the Gross Receipts Tax on businesses, and income tax, rather than consumer sales tax — a structure that makes the state a magnet for both incorporations and cross-border retail shopping.
Business Use Case: Registering & Collecting Delaware Sales Tax
A business operating in Delaware doesn't need to track a sales tax economic nexus threshold at all, since none exists — but it still owes Gross Receipts Tax on its Delaware revenue regardless of where its customers are located, a fundamentally different compliance obligation than in a traditional sales-tax state.
Key terms: combined rate — state rate plus applicable local add-ons; reverse sales tax — working backward from a tax-included total via total ÷ (1 + rate); economic nexus — a sales threshold that obligates an out-of-state seller to collect tax without a physical presence; marketplace facilitator — a platform that remits tax on behalf of third-party sellers.
Real-World Example: Adding Tax to a Price
A $500.00 purchase in Delaware at the average combined rate of 0.00%:
- Tax amount: $500.00 × 0.00% = $0.00
- Total price: $500.00 + $0.00 = $500.00
Real-World Example: Extracting Tax From a Receipt Total
A receipt shows a $749.99 tax-included total in Delaware at the average combined rate of 0.00%:
- Pre-tax price: $749.99 ÷ (1 + 0.00%) = $749.99
- Tax amount: $749.99 − $749.99 = $0.00
Delaware Sales Tax Compliance for Sellers
Delaware has no general state sales tax, so there is no economic nexus threshold to track for state-level sales tax purposes. Sellers should still confirm whether any local jurisdiction-level tax applies.
Frequently Asked Questions — Delaware Sales Tax
What is the sales tax rate in Delaware?▾
Does Delaware tax groceries?▾
Does Delaware have a state income tax?▾
When do online sellers need to collect Delaware sales tax?▾
How do I calculate Delaware sales tax on a purchase?▾
How do I reverse Delaware sales tax to find the price before tax?▾
What is the formula to back out sales tax from a receipt in Delaware?▾
References & Sources
Methodology: the combined rate shown is the state rate plus the population-weighted average of local (city/county/district) rates reported by the Tax Foundation for 2026; it is an average, not the exact rate for any single address — use the county table above where available, or confirm the exact local add-on with the Delaware Department of Revenue, for a specific delivery address. Economic nexus thresholds are sourced from the Sales Tax Institute's Economic Nexus State Guide.
Rates last verified January 2026. Delaware sales tax rates and thresholds change over time — always confirm current figures with the Delaware Department of Revenue before filing or invoicing. This tool is for estimation and educational purposes only and is not tax, legal, or accounting advice.
Jordan Hayes
Verified AuthorPersonal Finance Content Strategist
Jordan is a personal finance content strategist with 9+ years writing about mortgages, retirement, tax strategy, and budgeting. Every guide is cross-referenced with IRS publications, Federal Reserve data, and CFPB guidance to make complex calculations accessible. Editor at CalculatorApp.me.
Related Reading
Explore More
Tax-rate data, review & limitations
Jurisdiction: Delaware, United States. Effective date: January 1, 2026. Reviewed by CalculatorApp.me editorial staff on July 26, 2026; next scheduled review: October 26, 2026.
Rates are reference estimates, not tax advice. Local rules, exemptions, filing status, and effective dates can change the amount due.
Primary sources
- Tax Foundation, 2026 State and Local Sales Tax Rates
- Relevant state department of revenue guidance