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Step 1: What kind of measurement do you want to compare?
Length Icon (Ruler)
Length
Weight (Mass) Icon (Scale)
Weight
Speed Icon (Running Man)
Speed
Time Icon (Clock)
Time
Area Icon (Floorplan)
Area
Volume Icon (Beaker)
Volume
Computer Data Icon (Laptop)
Data

Click an icon above to choose a measurement type for comparison. This space will display an explanation as you move your mouse over the icons.
Unit

Amount




Equivalents in other units


How long is 2.5 milimeters?

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It's about one-and-a-half times as long as a Strand of Spaghetti (thickness).
In other words, the length of a Strand of Spaghetti (thickness) is 0.67 times 2.5 milimeters.
(average; restaurant and supermarket applications) (based on FMA Omcan Italian Made TR50 Counter Top Pasta Machine Extruder 13317)
It's about two times as long as a Grain of Sand.
In other words, the length of a Grain of Sand is 0.5 times 2.5 milimeters.
(medium grain)
Composed mainly of quartz, mica, feldspar, or magnetite, a grain of sand measures an average of 1.25 mm. In 2007, a team of seven in Myrtle Beach created the world's tallest sandcastle, which measured 15,100 milimeters in height.
It's about one-fifth as long as an Aspirin.
In other words, 2.5 milimeters is 0.18 times the length of an Aspirin, and the length of an Aspirin is 5.6 times that amount.
(for up & up aspirin, 325mg, regular strength tablets) (a.k.a. acetylsalicylic acid, a.k.a. ASA)
A single aspirin tablet measures 14 mm 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 one-twentieth as tall as a Golf Tee.
In other words, the height of a Golf Tee is 22 times 2.5 milimeters.
The most common golf tee size and the length preferred for iron and most wood clubs is 54 milimeters tall. The tee did not come into common use until it was promoted by professional golfers Walter Hagen and Joe Kirkwood, as part of a marketing effort by the patent-holder of the well-known, "Reddy Tee."
It's about thirty times as long as a Strand of Hair.
In other words, the length of a Strand of Hair is 0.04 times 2.5 milimeters.
(average)
It's about thirty times as tall as a Human hair, Strand of.
In other words, the height of a Human hair, Strand of is 0.04 times 2.5 milimeters.
(average)
It's about thirty times as tall as a sheet of Paper.
In other words, the height of a sheet of Paper is 0.03 times 2.5 milimeters.
(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)