Verified April 2026
How to Calculate Sales Tax in Hamilton, Ohio
2026 Step-by-Step Guide for Businesses & Consumers
Current Hamilton Sales Tax Rate
| Jurisdiction | Rate |
|---|---|
| Ohio State Sales Tax | 5.800% |
| County Sales Tax | 2.000% |
| Total Combined Rate | 7.800% |
How to Calculate Sales Tax in Hamilton
-
1
Find the combined rate
The combined sales tax rate in Hamilton is 7.800%. This equals: Ohio state rate of 5.800% + County 2.000%.
-
2
Convert the percentage to a decimal
7.800 ÷ 100 = 0.0780
-
3
Multiply by your purchase amount
Example: $100.00 × 0.0780 = $7.80 in sales tax
-
4
Add tax to the original price
$100.00 + $7.80 = $107.80 total cost
What's Taxable in Ohio?
Most tangible personal property is taxable in Ohio. Check with the
Ohio Department of Revenue for specific exemption categories.
Do You Have Nexus in Ohio?
Economic Nexus Threshold
If your business has over $100,000 in annual
Ohio sales or 200 transactions,
you are required to collect and remit Ohio sales tax. This applies to out-of-state remote sellers too.
Expert Sales Tax Tips for Hamilton
Out-of-State Sellers
Selling into Ohio from out of state? Register before you cross the $100,000 threshold to avoid back taxes and penalties.
Frequently Asked Questions
Sales Tax Calculator
Using 7.800% rate for Hamilton
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 7.800% combined