Grand theft or grand larceny is a category used to rank the severity of crime

Crime

Crime is the breach of rules or laws for which some governing authority can ultimately prescribe a conviction...

 associated with theft.

Generally, in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 it is defined as intentional taking property of others in an amount exceeding the state statutory amount.

Grand theft occurs when an action that occurred meets the criteria for the applicable jurisdiction.

Grand theft by state

Specifics vary widely between states. Some exemptions include: theft of agricultural produce, based on current wholesale value at the time of incident exceeding $250; firearm theft; motor vehicle theft

Motor vehicle theft

Motor vehicle theft is the criminal act of stealing or attempting to steal a motor vehicle...

; or bovine animals regardless of value.

Vermont

Grand Larceny:
Value of goods and chattel exceed $200 or it is a firearm...

California

Grand theft is committed when the value of stolen property exceeds $950. Theft is also considered grand theft when more than $250 in crops or marine life-forms are stolen, “when the property is taken from the person of another,” or when the property stolen is an automobile, farm animal, or firearm.

Missouri

Stealing is a felony

Felony

A felony is a serious crime in the common law countries. The term originates from English common law where felonies were originally crimes which involved the confiscation of a convicted person's land and goods; other crimes were called misdemeanors...

 if the value of stolen property exceeds $500. It is also a felony if “The actor physically takes the property appropriated from the person of the victim” or the stolen property is a vehicle, legal document, credit card, firearm, explosive, U.S. flag on display, livestock animal, fish with value exceeding $75, captive wildlife, controlled substance, or ammonia. Stealing in excess of $25,000 is usually a class B felony (sentence: 5-15 years), while any other felony stealing (not including the felonies of burglary

Burglary

Burglary is a crime, the essence of which is illicit entry into a building for the purposes of committing an offense. Usually that offense will be theft, but most jurisdictions specify others which fall within the ambit of burglary...

 or robbery

Robbery

Robbery is the crime of taking or attempting to take something of value by force or threat of force or by putting the victim in fear. At common law, robbery is defined as taking the property of another, with the intent to permanently deprive the person of that property, by means of force or fear....

) that does not involve chemicals is a class C felony (sentence: up to 7 years). Non-felony stealing is a class A misdemeanor

Misdemeanor

A misdemeanor is a "lesser" criminal act in many common law legal systems. Misdemeanors are generally punished much less severely than felonies, but theoretically more so than administrative infractions and regulatory offences...

(sentence: up to 1 year).

Texas

Value of stolen property exceeds $500. Grand theft is typically considered a felony, especially if a weapon was used to commit the crime.