Maine Sales Tax Calculator (State & Local Rates)

Maine sets its statutory state sales tax rate at 5.50%, the starting point for nearly every retail transaction in the state. Cities and counties in Maine are not permitted to stack a local option sales tax on top of that state rate, so the 5.50% figure is close to what most shoppers actually see added at the register, with little variation from one storefront to the next.

For a household budgeting a large purchase or a business pricing a product line, the difference between the bare state rate and the fuller combined figure of 5.50% is not academic: it is real money added at the point of sale. That 5.50% average combined rate ranks among the five lowest of any state that still levies a general sales tax. Shoppers crossing county lines within Maine can still see the number shift slightly, since the 5.50% used throughout this calculator is a statewide average rather than a single fixed rate that applies everywhere.

Maine has a single statewide rate of 5.50% and no local sales tax, so a $1,000 purchase produces $55.00 of tax anywhere in the state. Maine's variation is by category rather than by geography: the general rate applies to ordinary goods, while prepared food, lodging and short-term auto rentals each carry their own higher statutory rates. Groceries and prescription drugs are exempt outright.

For general merchandise there is no local layer, so the combined rate is the state rate:

The calculator runs through:

1. Read the purchase price. The full pre-tax amount you enter becomes the taxable base.
2. No item-level exemption filtering and no category rates. The higher prepared food, lodging and rental rates are not applied, and the grocery exemption is not applied. This is a general merchandise calculation.
3. Multiply by the state rate. This produces the state portion of the bill.
4. Apply the local surcharge. Maine has none, so this term is zero and the local toggle does not change the answer.
5. Add the pieces together. State tax plus local tax gives the total tax, and adding that to the purchase price gives the amount you actually pay.

For a $1,000 taxable purchase in Maine:

1. Starting purchase price. The buyer rings up a $1,000.00 taxable retail purchase in Maine, the baseline amount before any tax is applied.
2. State portion. Maine's statutory state sales tax rate of 5.50% applies to the full purchase amount: $1,000.00 × 5.50% = $55.00 owed to the state.
3. Local portion. Local municipal, county, and special-district surcharges add an average of 0.00% on top of that: $1,000.00 × 0.00% = $0.00 more.
4. Combined tax due. Summing the two pieces, $55.00 in state tax plus $0.00 in local surcharge comes to $55.00 in total sales tax owed on the transaction.
5. Total out-of-pocket cost. Adding that $55.00 in tax to the $1,000.00 purchase price brings the buyer's total out-of-pocket cost to $1,055.00.

This example uses Maine's statewide average local rate of 0.00%; actual combined rates vary by city and county, so a real receipt could show a combined rate above or below the 5.50% average used here.

Maine's sweep has no threshold anywhere in it, so the useful questions are the marginal cost of the next dollar spent, the purchase size that hits a target tax, and the one arithmetic mistake that costs real money on a tax-inclusive receipt.

The marginal cost of the next unit. Each additional $100 of taxable purchase costs $5.50 of Maine sales tax, at every point in the sweep. The engine returns $5.50 on a $100 purchase, $27.50 on $500, $55.00 on $1,000, $110.00 on $2,000, $275.00 on $5,000 and $1,375.00 on $25,000. Each of those is exactly 5.50% of the purchase, and the total out of pocket on the baseline $1,000 purchase is $1,055.00.

The reverse question. A buyer working to a tax budget rather than a price can invert the rate. Holding Maine sales tax to $100.00 means a purchase of $1,818.18, which the engine confirms to the cent; a dollar less, at $1,818, computes to $99.99. Every $10 of tax budget corresponds to $181.82 of purchase. Because there is no bracket, the ratio is constant from the first dollar to the last.

Right method against wrong method, priced. The error that actually costs money in Maine is extracting tax from a tax-inclusive total by deducting the rate instead of the fraction. A receipt showing $1,055.00 all in contains $55.00 of tax on a $1,000.00 base, which is the engine's answer. Deducting 5.50% of the $1,055.00 total instead gives $58.03 of implied tax and a $996.97 base, overstating the tax by $3.03 and understating the taxable base by $3.03. The correct extraction is 5.5/105.5 of the gross, not 5.5% of it. On a $26,375.00 tax-inclusive total, the same mistake overstates the tax by $75.63 against the engine's $1,375.00, which is the sort of figure that matters on a use-tax accrual or an expense reimbursement.

A control on this page that does nothing. The "include average local surcharge" toggle is present because most state pages need it, but Maine's stored avgLocalRate is zero. The engine returns $55.00 on a $1,000 purchase whether the toggle is on or off, and the local tax line reads $0.00 in both cases. That is a faithful statement of Maine law, which authorises no general local sales tax, rather than missing data, but it does mean the toggle is inert here.

What the flat rate conceals. The stored rate is Maine's general 5.50%. Maine taxes prepared food and lodging at higher statutory rates, and exempts grocery staples and prescription drugs entirely, and none of those separate rates or exemptions exist anywhere in this code path. A purchase entered here is treated as fully taxable at the general rate regardless of what it is.

• Statutory exemptions on unprepared groceries, prescription medications, or manufacturing equipment.
• Special industry excise taxes (lodging hotel taxes, vehicle rental fees, alcohol/tobacco excise).
• Use tax compliance on out-of-state untaxed online purchases.
• B2B resale certificate exemptions or direct pay permit programs.

• Confusing State and Combined Rates: Quoting the state base rate without factoring in local city and county add-on taxes.
• Overlooking Consumer Use Tax: Failing to self-report and remit use tax on untaxed out-of-state purchases on your state income tax return.
• Missing Annual Sales Tax Holidays: Many states offer annual tax-free weekends for back-to-school items, severe weather supplies, or energy-efficient appliances.
• Failing to Collect Resale Certificates: Selling wholesale without collecting valid exemption certificates exposes sellers to full sales tax liability upon audit.

• Maine Revenue Services: 2026 Sales and Use Tax Rate Schedules. maine.gov/revenue
• Streamlined Sales Tax Governing Board (SSTGB): State Taxability Matrix. streamlinedsalestax.org/for-businesses/taxability-matrix