How to measure 15 cm without a ruler

While rulers and tape measures are easy to track down today, sometimes you might find yourself in a situation where you can't access one but still need to measure something urgently. we show you .How to measure 15 cm without a ruler

However, keep in mind that all of them will only give you approximate measurements. If you need precise measurements, you should wait until you can use a ruler.

How to measure 15 cm without a ruler

The human body has been used to provide the basis for units of length for millennia. The international foot, for example, corresponds to a human foot with a shoe size of 13 (UK), 14 (US male), 15.5 (US female), or 48. (EU sizing).

1 Using Your Body to Measure

You can also use the following equivalences for rough measuring.

1 inch (2.5 cm) = the length of your index finger's first joint

The length of your thumb is 2 inches (5 cm).

4 inches (10 cm) = most people's hand width measured across their bottom knuckles (without the thumb)

6 inches (15 cm) = the distance between the tips of the thumb and the index finger (when a hand is spread wide)

9 inches (23 cm) = the distance between the tips of the thumb and the tips of the pinkies (when a hand is spread wide)

18 inches (46 cm) = the span from the elbow to the tip of the middle finger

2. Using a banknote (or a credit card)

Using local bills to measure something is a good idea because it is an object that you are likely to have with you at all times. Bill size varies, depending on the currency and sometimes on value. Some of the most widely used currencies are:

US dollars: 6.14 inches x 2.61 inches

Pound sterling: £5 for 125 mm x 65 mm, £10 for 132 mm x 69 mm, £20 for 139 mm x 73 mm, and 149 mm x 80 mm for the paper version.

€5 for 120 mm x 62 mm, €10 for 127 mm x 67 mm, and €20 for 133 mm x 72 mm.

If you don't carry cash, chances are you have a credit or debit card with you. In that case, keep in mind that the standard card size (also known as CR80) is:

3.4 inches wide x 2.1 inches high (8.5 cm x 5.4 cm)

A longneck beer bottle:

The type you're most likely to see in stores is about 9 inches tall, with a base that's just under 2 1/2 inches in diameter.

A package:

The most common size for business mail is a #10 envelope, which measures 4 1/8 inches tall by 9 1/2 inches wide.

While useful, these tricks aren't enough to convince us to abandon our trusty sidekick (the Komelon SELFLock is our favorite—it automatically sticks where you extend it, and you unlock it with the button rather than vice versa) on a daily basis. They do, however, keep us from panicking when we forget it.

FAQs How to measure 15 cm without a ruler

On a tape measure, what is 15 cm?

15 cm is equal to 5.90551185 inches.

What should I do if I don't have a ruler?

Image of how to measure 15 cm in without a ruler

How to Measure Without Using a Ruler!

1) A one-dollar bill. The bill falls just short of being perfect.

2) Use a credit card. A standard credit card makes a sturdy ruler.

3) The quarter. It's a pretty accurate 1" measurement.

4) Paper! We all remember learning as children that a standard sheet of paper measures:...

How to measure 15 cm without a ruler