Massachusetts is one of the most straightforward states in the country for sales-tax calculations. There is a single flat statewide rate of 6.25% that applies uniformly to every taxable retail purchase, from Boston to the Berkshires. Unlike states such as California or New York, Massachusetts does not allow counties or cities to add a general local sales-tax surcharge — so for ordinary merchandise you never need a ZIP-code lookup. The only local add-on that exists is the optional local meals tax (up to 0.75%), which applies to restaurant meals in municipalities that have chosen to adopt it.
This calculator handles both directions: add the 6.25% Massachusetts sales tax to a pre-tax price to get the final total, or reverse it to recover the pre-tax amount from a total you already paid. An optional local rate field lets you include the meals tax or any custom rate you need to model.
How it works
Add-tax mode (pre-tax to total)
The calculator multiplies your pre-tax amount by the combined rate (state + any local add-on):
Tax = Pre-tax amount x Combined rate
Total = Pre-tax amount + Tax
For example, a $150 purchase at the standard MA rate of 6.25%:
- Tax = $150 x 0.0625 = $9.38
- Total = $150 + $9.38 = $159.38
Remove-tax mode (total to pre-tax)
When you have the final amount and need to work back to the price before tax:
Pre-tax = Total paid / (1 + Combined rate)
Tax = Total paid - Pre-tax
For the same example: $159.38 / 1.0625 = $150.00 pre-tax, $9.38 tax.
The Massachusetts 6.25% state rate
The 6.25% rate has been in force since 1 August 2009 and is set by the Massachusetts Legislature. It is a single-tier rate — there are no sub-components or mandatory local add-ons for general merchandise. The state legislature would need to pass new legislation to change it.
| Transaction type | State rate | Local add-on | Combined |
|---|---|---|---|
| General merchandise (statewide) | 6.25% | 0% | 6.25% |
| Restaurant meals in Boston/Cambridge/Worcester/Springfield | 6.25% | 0.75% | 7.00% |
| Clothing per item under $175 | Exempt | — | 0% |
| Groceries and food for home consumption | Exempt | — | 0% |
| Prescription drugs | Exempt | — | 0% |
Worked example — retail invoice
A Boston retailer sells audio equipment to a customer. The items total $480.00 pre-tax (general merchandise, not clothing, so fully taxable):
- State tax (6.25%): $480.00 x 0.0625 = $30.00
- Local add-on: $0.00 (no local general merchandise tax in MA)
- Total sales tax: $30.00
- Invoice total: $510.00
Now suppose the same customer also orders a catered lunch in Boston worth $75.00:
- State meals tax (6.25%): $75.00 x 0.0625 = $4.69
- Boston local meals tax (0.75%): $75.00 x 0.0075 = $0.56
- Combined meals tax (7.00%): $5.25
- Total paid for lunch: $80.25
Use the local add-on field (set to 0.75%) when calculating restaurant meal totals in cities with the local meals tax option.
Typical combined rates at a glance
Because Massachusetts has no county-level general sales tax, the combined rate for most purchases is simply the flat 6.25% statewide — one of the cleanest structures in the US. The only variation is the optional local meals tax:
| Location | General merchandise | Restaurant meals |
|---|---|---|
| Anywhere in Massachusetts | 6.25% | 6.25% to 7.00% |
| Boston, Cambridge, Worcester, Springfield | 6.25% | 7.00% |
| Cities or towns without local meals option | 6.25% | 6.25% |
Every figure is calculated in your browser — no numbers are uploaded or stored anywhere.