Last updated: 2026-11-11
Cookies are small files stored on your device. This page lists the categories we use and how to control them.
| Category | Purpose | Typical duration | Can you refuse? |
|---|---|---|---|
| Essential | Page delivery, security, form submission integrity | Session | No — the site cannot function without them |
| Preferences | Remember calculator inputs such as your state selection | Up to 12 months | Yes |
| Analytics | Aggregate measurement of which pages and calculators are used | Up to 24 months | Yes |
| Advertising | Serve and measure display ads, including interest-based ads by third-party vendors such as Google | Up to 24 months | Yes |
Advertising and analytics partners may set their own cookies when you visit this site. Those cookies are governed by the partner's privacy policy, not ours. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this and other sites.
We do not currently respond to browser Do Not Track signals, because there is no common industry standard for interpreting them. You can use the opt-outs above instead.
Questions: [email protected]. See also the Privacy Policy.