Bodily injury liability: the coverage that pays other people
What BI liability does when you’re at fault, how per-person and per-accident limits work, and how it differs from your own medical payments or UM.
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If you hurt someone in a crash you’re responsible for, bodily injury liability is the part of the policy that can help pay their medical bills and related damages. It’s not coverage for your own injuries.
It is foundational cover: without adequate liability, a serious claim can threaten wages and assets through lawsuits. This article explains concepts only; it is not a recommendation of specific limits.
What BI liability typically covers
When you are legally responsible, BI liability may help with the other party’s:
- Medical treatment costs
- Related damages allowed in your jurisdiction (sometimes including lost income or pain and suffering, depending on the claim)
It generally does not pay to fix your car (that is collision or the other party’s insurance) and does not replace health insurance for your own injuries.
How limits are written
Many U.S. policies show split limits such as:
- Per person — maximum for one injured person
- Per accident — maximum for all injured people in one crash
- Plus a separate property damage liability limit for the other party’s car or property
Example for education only: “100/300/50” often means $100k BI per person / $300k BI per accident / $50k property damage. Some policies use a single combined single limit (CSL) instead.
BI liability vs related coverages
| Coverage | Whose injuries? | Typical role |
|---|---|---|
| Bodily injury liability | Others, when you are at fault | Legal responsibility protection |
| Medical payments / PIP | You and often your passengers (rules vary) | First-party medical (and more with PIP) |
| Uninsured motorist | You, when the at-fault driver is uninsured | See UM guide |
Property damage liability sits beside BI
BI is about injuries. Property damage liability is about the other party’s property. Together they form “liability coverage.” Reading both lines prevents mixing up what a limit applies to.
State minimums vs higher limits
Every state sets minimum liability requirements to register or drive legally (details change—verify with your DMV/DOI). Minimums are a legal floor, not a measure of what a severe injury claim might cost.
People who choose higher limits often cite asset protection and peace of mind. People who stay near minimums often cite premium cost. Neither choice is universally “correct.”
Practical questions to ask
- What are my current BI per-person and per-accident limits?
- Does my state use no-fault / PIP rules that change how claims start?
- Would an umbrella policy sit above these limits? (See umbrella insurance.)
- Are there household drivers or vehicles that need to be listed?
Related guides
Verify definitions with your policy and state consumer insurance resources.
Frequently asked questions
What do 100/300 limits mean?+
Often $100,000 maximum per injured person and $300,000 maximum per accident for bodily injury liability—plus a separate property damage limit. Confirm the exact format on your declarations page.
Does bodily injury liability pay my hospital bills?+
Generally it pays others when you are at fault. Your own injuries may involve medical payments, personal injury protection (PIP), health insurance, or UM/UIM—depending on the claim and state.
Is the state minimum enough?+
Minimums satisfy legal driving requirements in many states but may be far below serious injury costs. Whether to buy higher limits is a personal and financial decision to discuss with a licensed professional.