Breadcrumb Labs operator tools
Net margin per gallon
Enter your wholesale price and street price to calculate net margin without a back office system. Switch to blended to compute true street price from yesterday's revenue and gallons.
Blended street price
6.10000
District sales tax (CDTFA)
Pick your city.
Add a station
Pick your city to see your margin
Net margin / gal
$1.09610
Margin %
17.97%
Total cost / gal
$5.00390
Embedded sales tax
$0.13423
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Cost breakdown
| Wholesale | $4.02000 |
| Freight | $0.00000 |
| Excise taxes | $0.82967 |
| Effective sales tax rate | |
| Embedded sales tax (includes prepaid tax) | $0.13423 |
| UST fee | $0.02000 |
| Total cost | $5.00390 |
| Street price | $6.10000 |
| Net margin | $1.09610 |
Fee assumptions
Gasoline
| Federal excise | $0.184000 |
| Fed superfund | $0.003857 |
| CA AB 32 fee | $0.003914 |
| CA excise | $0.634000 |
| CA lead poison fee | $0.003900 |
| Total excise | $0.829671 |
| UST fee | $0.020000 |
| CA prepaid (gasoline) | $0.080000 included in embedded sales tax; not added separately |
| Sales tax rate | 2.25% statewide base plus the district rate for the city you pick |
| Default street price | $6.10000 |
Diesel
| Federal excise | $0.243000 |
| Federal LUST fee | $0.001000 |
| CA excise | $0.482000 |
| Total excise | $0.726000 |
| UST fee | $0.020000 |
| CA prepaid (diesel) | $0.425000 included in embedded sales tax; not added separately |
| Sales tax rate | 13.0% statewide base plus the district rate for the city you pick; embedded tax rounded to 3 decimals |
| Default street price | $7.42000 |
Rates effective July 1, 2026 (CDTFA fuel schedule). The database is the source of truth when it is attached. Prepaid tax is not added as a separate cost because it is a prepayment of sales tax.