DUI & DWI Penalty Estimator
Check standard base penalties for driving under the influence (DUI/DWI), factoring in BAC levels, enhancements, and multiple offenses.
Built for general U.S. informational use. Local rules, court practices, and case facts can change the result.
DUI & DWI Penalty Estimator
Fill in the fields below to get your estimate
Elements that Worsen a DUI Charge
While a basic first-time DUI is a misdemeanor, prosecutors aggressively pursue enhancements that drastically raise fines, enforce mandatory jail time, and suspend licenses for longer periods.
- High BAC: A Blood Alcohol Content over 0.15% (or 0.20% in some states) triggers mandatory enhancements.
- Minors in Vehicle: Child endangerment charges are often added.
- Property Damage/Injury: Elevates a standard DUI to an "Aggravated DUI" or a felony.
- Prior DUIs: Lookback periods (usually 7 to 10 years) dictate whether you are charged as a repeat offender. A 3rd or 4th DUI is almost always charged as a felony.
A DUI conviction involves DMV administrative actions, skyrocketing insurance premiums, court probation fees, and alcohol classes. The true cost of a DUI is often $10,000+. Hire a local criminal defense attorney focused on DUI law.
How this estimate works
This tool estimates first-pass DUI penalty exposure from state, BAC level, repeat-offense status, and aggravating factors. It cannot predict plea outcomes, administrative-license action, or local court programs.
Inputs this page weighs
- State and offense number.
- BAC level or refusal issue.
- Accident, injury, minor passenger, or probation factors.
- License, class, interlock, and insurance consequences.
How to verify the result
Confirm both criminal-court penalties and separate motor-vehicle-agency deadlines before deciding how to respond.
How to use this DUI & DWI Penalty Estimator well
Best used when
- Rough planning around fines and likely first-pass penalty exposure.
- Comparing BAC level and repeat-offense scenarios before court.
- Budgeting beyond the ticket itself for a high-risk driving charge.
Be careful if
- Administrative license consequences may run separately from the criminal case.
- Mandatory classes, ignition interlock, and insurance costs may exceed the fine itself.
- Local procedure and prior history can matter more than a broad statewide average.
Questions to answer next
- What exact state and county rules apply to this charge?
- Was there an accident, refusal, or very high BAC that changes the exposure?
- Do you have prior DUI-related history or probation status that raises penalties?
Before you use a criminal law calculator
What to gather first
- Your citation, charging document, or court notice with the exact offense listed.
- Any information about prior convictions, probation status, or prior traffic history.
- Notes about aggravating details such as BAC level, school zone, or accident involvement.
Why results may change
- Actual outcomes depend heavily on the statute charged, plea negotiations, and local practice.
- License consequences, court costs, and mandatory classes may matter as much as the fine itself.
- A calculator cannot predict diversion programs, prosecutorial discretion, or judge-specific outcomes.
Best next step
- Use the result as a planning number, not as a prediction of the final sentence.
- Check the exact statute and county procedures before you rely on any deadline or penalty estimate.
- Speak with local counsel quickly if jail exposure, license suspension, or immigration issues are possible.