It's about one-and-seven-tenths times as long as an Aspirin.
In other words, the length of an Aspirin is 0.59 times 2.4 centimeters.(for up & up aspirin, 325mg, regular strength tablets) (a.k.a. acetylsalicylic acid, a.k.a. ASA)
A single aspirin tablet measures 1.4 centimeters in diameter. One of the most common medicines in the world and a foundation of worldwide health systems, an estimated 40,000 metric tons of aspirin are consumed each year.
It's about two-fifths as tall as a Golf Tee.
In other words, 2.4 centimeters is 0.44 times the height of a Golf Tee, and the height of a Golf Tee is 2.3 times that amount.
It's about fourteen times as long as a Strand of Spaghetti (thickness).
In other words, the length of a Strand of Spaghetti (thickness) is 0.071 times 2.4 centimeters.(average; restaurant and supermarket applications) (based on FMA Omcan Italian Made TR50 Counter Top Pasta Machine Extruder 13317)
It's about one-fifteenth as tall as a Bowling Pin.
In other words, the height of a Bowling Pin is 15.9 times 2.4 centimeters.(USBC specifications; tenpin)
It's about nineteen times as long as a Grain of Sand.
In other words, 2.4 centimeters is 19.2 times the length of a Grain of Sand, and the length of a Grain of Sand is 0.0521 times that amount.(medium grain)
It's about one-thirtieth as long as a Woman's Footstep.
In other words, the length of a Woman's Footstep is 28 times 2.4 centimeters.(for healthy, middle-aged woman of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a woman's step is 66 centimeters, for an average stride (two-step's length) of 130 centimeters. The average person walks at a speed of about 1.3 m/s
It's about one-thirty-fifth as long as a Man's Footstep.
In other words, the length of a Man's Footstep is 33 times 2.4 centimeters.(for healthy, middle-aged man of average height; single step length)