Reverse Sales Tax Calculator San Diego, CA
The combined sales tax rate in San Diego, California is 7.75%. Use this calculator to find the original price before tax was added—useful for expense reports, refunds, or just checking your receipt.
San Diego Sales Tax Rate Details
The 7.75% combined rate in San Diego breaks down as follows:
| Tax Component | Rate |
|---|---|
| California State Sales Tax | 7.25% |
| Local / County Tax (San Diego County) | 0.5% |
| Total Combined Rate | 7.75% |
For authoritative California tax rate information, see the California Department of Tax and Fee Administration.
Reverse Tax Formula for San Diego
To find the pre-tax price on any San Diego purchase, divide the total by 1.0775:
Original Price = Total ÷ 1.0775
Example: $107.75 ÷ 1.0775 = $100.00Example Calculations — San Diego
| Total Paid | Original Price | Tax Amount |
|---|---|---|
| $50.00 | $46.40 | $3.60 |
| $100.00 | $92.81 | $7.19 |
| $250.00 | $232.02 | $17.98 |
| $500.00 | $464.04 | $35.96 |
When to Use the San Diego Rate
Use 7.75% when you're making a purchase within San Diego city limits. Purchases made just outside the city may fall under a different county rate. When in doubt, check your receipt—the tax rate is usually printed there.
If you're calculating tax for an online purchase shipped to San Diego, the seller may be required to collect California sales tax at the applicable local rate.
San Diego Sales Tax – Common Questions
What is the sales tax rate in San Diego?▼
San Diego's combined sales tax rate is 7.75%, which includes California's 7.25% state tax plus 0.5% in local taxes.
How do I calculate the original price before tax in San Diego?▼
Divide the total by 1.0775. For example: if you paid $107.75, the original pre-tax price was $100.00.
How much sales tax would I pay on a $100 purchase in San Diego?▼
On a $100 pre-tax purchase in San Diego, you'd pay $7.75 in sales tax, for a total of $107.75.
Can I reverse sales tax for San Diego using just the rate?▼
Yes. The reverse sales tax formula is: Original Price = Total ÷ (1 + 7.75/100). Our calculator above does this automatically.