KnifeUp provides, for free, knife law guides for all 50 states. Below is a map of the US, click on the state you are interested in to read about it’s knife laws. I try to keep these guides as up-to-date and accurate as possible but, for the law changes a lot, please leave a comment if you see something wrong.

    Choose Your State

    AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY

    AL AK AZ AR CA CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA RI SC SD TN TX UT VT VA WA WV WI WY DC

    How the US Justice System Works

    The United States was founded under the principals of federalism. Under federalism, governing powers are divided between the federal government as well as the state governments. For states existed before the founding of the US, the writers of the Constitution respected the state’s authority by limiting federal powers to only those expressly stated within the Constitution. All other governing powers are, therefore, state powers.

    For knife law, the only federal law is the Switchblade Knife Act of 1958 as well as the 2009 amendment to the act (see 15 U.S.C. 1244). The federal knife law only applies to individuals who are traveling internationally as well as between states. If you reside in a federal district (see Washington D.C. knife laws ), the federal law is the only law that governs knives for you. If you live in one of the 50 states, the federal law would only apply to you if you are traveling from one state to another or if you are entering federal property, such as a military base.

    All states have knife laws (click on the map above to find the knife law for a particular state) but some knife laws by state are more up-to-date than others and local municipals often pass their own knife laws as well. For example, if you live in Denver, Colorado, you must abide by the knife laws of Colorado as well as the knife laws of Denver. However, if you travel to Boulder, Colorado (30 minutes away) you must conform to Boulder’s knife laws as well. And, during your journey, you must conform to the knife laws of all the municipals in between Boulder and Denver.

    This makes knife laws by state a tricky subject unless your state has a preemption clause. Preemption means that the state government nullifies all knife laws by state made by municipals. Therefore, when you travel from town to town, you would not have to worry about municipal knife laws.

    General Guide to Knife Laws

    Knife laws can be divided into these two categories: ownership laws and carry laws.

    Ownership Laws

    Ownership laws forbid individuals from owning certain types of knives that society has deemed “deadly weapons” or “dangerous.” Most of the time, these knives were once associated with unlawful people such as gangs, the mob, and outlaws. It is for this reason that the Bowie knife has been outlawed in so many states.

    Carry Laws

    Carry laws forbid an individual from carrying, concealed or open, certain knives. For example, some states forbid an individual from conceal carry of knives over a certain length but open carry of that same knife is legal. Other states forbid the carry, concealed and open, of certain knives. Most knives that are barred from carry are ones deemed by society to have no utility uses and, therefore, their only use is as weapons.

    Other Laws

    Some states have laws that forbid one from aggravated display of a knife as well as committing a crime with a knife. These laws are usually only enforceable after the fact and, for that reason, allows the state to increase the penalty of a crime. For example, robber is a bad crime but robbery with a knife laws is viewed as an even worse crime and should be punished more than simple robbery.

    What is Generally Allowed

    If you want to carry a knife laws that is usually legal everywhere, I highly recommend you buy a knife that is clearly intended for utility use. For example, most pocket knives and all leathermans as well as multi-tools fit this description. As long as the blade is less than 3 or 2.5 inches, you should be fine. Times where this advice might not be true is at: courts, planes, schools, and special buildings that forbid the carry of blades.

    What is the longest blade you can carry?
    Knife blades cannot be longer than 5.5 inches. Certain types of knives, such as switchblades, spring-loaded knives, swords, spears, and daggers are also outlawed. more
    What is Wharncliffe blade?
    Wharncliffe is the name of a blade with an exceptional shape often called an "inverted regular blade". Wharncliffe blades are relatively short, exceptionally thick and very sturdy. more
    Which cereal lasts longest?
    The shelf life of cereal depends on a variety of factors, such as the best before date, the preparation method and how and where the product is stored.Cereal Expiration Date. (Unopened) Pantry Refrigerator Past Printed Date Past Printed Date Cheerios last for 6-8 Months -- Shredded Wheat lasts for 6-8 Months -- more
    Which finger is longest?
    middle finger In the human hand the middle finger is the longest, the thumb is the shortest, and the little finger is the next shortest. The relative lengths of the index and ring fingers make a disputable point, and to elucidate it the present investigation was undertaken. more
    What height lives longest?
    "The folks that were 5-2 and shorter lived the longest. The range was seen all the way across from being 5-foot tall to 6-foot tall. The taller you got, the shorter you lived." more
    What vehicle lasts longest?
    Longest-Lasting Cars: Toyota's Land Cruiser Easily Wins the Top Spot Longest-Lasting Vehicles to Reach 200k Miles – iSeeCars Study Rank Vehicle % of Cars Over 200k Miles 1 Toyota Land Cruiser 16.3% 2 Toyota Sequoia 11.2% 3 Chevrolet Suburban 5.1% more
    Which toe is longest?
    Morton's toe is a common variant shape of the foot that is characterized by the second toe of the foot being the longest. It is also sometimes referred to as Greek foot, Royal toe, Turkey toe, LaMay toe or Sheppard's toe. more
    Who has longest name?
    The longest name to appear on a birth certificate is Rhoshandiatellyneshiaunneveshenk Koyaanisquatsiuth Williams. #OTD in 1984, her father looked to extend her first name to 1,019 letters and her middle name to 36 letters. more
    What foods last longest?
    • Bouillon cubes.
    • Peanut butter. • Shelf life: 2 years.
    • Dark chocolate. • Shelf life: 2 to 5 years.
    • Canned or vacuum-pouched tuna. • Shelf life: 3 to 5 years after "best by" date.
    • Dried beans. • Shelf life: Indefinite.
    • Honey. • Shelf life: Indefinite.
    • Liquor. • Shelf life: Indefinite.
    • White rice. • Shelf life: Indefinite.
    more
    Who slept the longest?
    Hypnotist Peter Powers holds the record for the longest time asleep. He put himself to sleep for straight eight days (188 hours) under hypnosis. more
    Who lived longest?
    Oldest people more

    Source: knifeup.com

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