Ignition Interlock & DUI Tools

Free tools to estimate costs, check your state’s rules, and plan your timeline after a DUI.

Interlock Cost Calculator

Estimate your total interlock cost — install, monthly lease, calibration, removal, and state fees — for your state and term length.

State Requirement Lookup

Check whether you need an interlock in your state, for how long, and which providers are approved.

Removal Date Calculator

Estimate your earliest interlock removal date based on your install date, required term, and any violations.