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, invoices, and marketplace payouts usually show only the tax-included total — not the pre-tax price. Reversing the calculation matters for bookkeeping (separating revenue from tax collected), expense reports (reimbursing only the pre-tax cost), and price comparisons (checking what an item actually costs before Delaware's tax is applied). Because dividing by (1 + rate) is not the same as simply subtracting the rate from the total, doing this by hand is a common source of errors — the calculator above handles it exactly.
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.
Sales Tax Terms Glossary
Combined rate
The state sales tax rate plus any applicable local (city, county, or special district) rates — the actual rate charged at checkout in a given location.
Reverse sales tax
The process of working backward from a tax-included total to find the pre-tax price and the exact tax amount, using total ÷ (1 + rate) = pre-tax price.
Economic nexus
A sales threshold (in dollars, transaction count, or both) that obligates an out-of-state seller to collect and remit sales tax even without a physical presence in the state.
Marketplace facilitator
A platform (e.g. Amazon, Etsy, eBay) that collects and remits sales tax on behalf of third-party sellers under most states’ marketplace facilitator laws.
Real-World Example
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
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
Rates last verified January 2026. Delaware sales tax rates and thresholds can change — 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 AuthorLead Content Editor & Personal Finance Specialist
Jordan Hayes is a personal finance content strategist with 9+ years building educational finance and health resources. He has written and fact-checked over 200 personal finance guides covering mortgage amortization, retirement planning, tax strategy, and budgeting. His work applies IRS publications, Federal Reserve data, and peer-reviewed research to make complex calculations accessible.