Indiana Sales Tax Calculator (2026) — Add or Reverse Tax
Indiana's combined sales tax rate is 7.00% (7.00% state). Use the calculator below to add Indiana 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 Indiana 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 Indiana Sales Tax
Indiana's state sales tax rate is 7.00%, with no additional local sales tax in most of the state.
Indiana 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 Indiana state sales tax.
Largest city
Indianapolis
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 Indiana'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.
Indiana Taxability at a Glance
🛒 Groceries
Exempt
👕 Clothing
Taxable
💊 Prescription drugs
Exempt
How Indiana 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. Indiana is one of the 45 states (plus DC) that levies a general sales tax. 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
Indiana's retail sales tax was enacted in 1963 at 2% and has been raised in stages since, reaching its current 7% rate. Throughout that history, Indiana has kept the tax as a single statewide rate with no county or city add-ons — a deliberate simplicity choice unusual among larger states.
There's no breakdown to speak of: Indiana's 7% rate is entirely state-level and applies identically everywhere in the state, from downtown Indianapolis to the smallest rural township. Indiana is one of the few states where the sticker-price math is the same no matter where the sale happens.
Where the Money Goes
Because there is no local sales tax anywhere in Indiana, all sales tax revenue flows to the state government, which then funds local services through direct state appropriations and revenue-sharing formulas rather than letting cities and counties set their own rates.
Business Use Case: Registering & Collecting Indiana Sales Tax
A retailer crossing Indiana's $100,000 economic nexus threshold has one of the simplest compliance jobs in the country: register with the Indiana Department of Revenue, charge a flat 7% on every Indiana sale, and file — with no need to look up a different rate for each customer's city or county.
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 Indiana at the average combined rate of 7.00%:
- Tax amount: $500.00 × 7.00% = $35.00
- Total price: $500.00 + $35.00 = $535.00
Real-World Example: Extracting Tax From a Receipt Total
A receipt shows a $749.99 tax-included total in Indiana at the average combined rate of 7.00%:
- Pre-tax price: $749.99 ÷ (1 + 7.00%) = $700.93
- Tax amount: $749.99 − $700.93 = $49.06
Indiana Sales Tax Compliance for Sellers
Remote and online sellers establish economic nexus in Indiana once they exceed $100,000.00 in annual sales (no separate transaction-count test). Once nexus is established, a seller must register with the state, collect Indiana sales tax at checkout, and file returns on the state's required schedule. Marketplace facilitators (Amazon, Etsy, eBay, Walmart) generally collect and remit on behalf of third-party sellers automatically.
Frequently Asked Questions — Indiana Sales Tax
What is the sales tax rate in Indiana?▾
Does Indiana tax groceries?▾
Does Indiana have a state income tax?▾
When do online sellers need to collect Indiana sales tax?▾
How do I calculate Indiana sales tax on a purchase?▾
How do I reverse Indiana sales tax to find the price before tax?▾
What is the formula to back out sales tax from a receipt in Indiana?▾
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 Indiana 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. Indiana sales tax rates and thresholds change over time — always confirm current figures with the Indiana 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.
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Tax-rate data, review & limitations
Jurisdiction: Indiana, 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