Franchise tax calculator

Work out a company's yearly franchise or privilege tax by each state's own formula: Delaware's two methods, the Texas margin tax, California's LLC fee, net worth taxes and minimum taxes. Every rate links to the official page it came from.

States

DelawareTexas

2 of 10 states ·

Entity type

Tax year

Delaware

Authorized shares

All classes, as in the certificate of incorporation

Issued shares

Outstanding at the end of the year

Total gross assets

Form 1120 Schedule L, end of year

Par value per share

For example 0.00001. Empty means no par.

Large Corporate Filer (listed, with $750 million or more in revenue or assets)

Texas

Total revenue

Cost of goods sold

Leave empty if you don't sell goods

Compensation and benefits

After the per-person limit

Share of gross receipts from Texas

100% if all sales are in Texas

Mainly retail or wholesale (the lower rate)

Covers 17 states with their own formula. Other states charge a flat annual report fee instead; see the annual report calculator.

Free here, no sign-up.

In your own app

The same calculation is an API call: 1 credit per state, max 10. Results are the same JSON this page shows.

curl -X POST "https://sosscraper.com/api/calc/franchise-tax" \
  -H "x-api-key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"states":["DE","TX"],"entityType":"c-corp","taxYear":2026,"byState":{"DE":{"authorizedShares":10000000,"issuedShares":8000000,"grossAssets":500000,"parValue":0.00001},"TX":{"revenue":3000000,"texasShare":1}}}'

Calculator API docs · Get an API key