4th December 2019

sciencealert

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# How thick would a piece of paper be if it was folded 100 times?

Nikola Slavkovic has run through the maths of the Paper Folding Problem on his YouTube channel and has come up with this: If you fold a piece of

**0.099mm**-thick paper 103 times, the thickness of the paper will be larger than the observable Universe: 93 billion light-years, to be exact.How old is the known universe?

13.772 billion years

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## How thick is a piece of paper folded 50 times?

If a piece of paper is .

**1 mm**thick, folding it 50 times makes it 2^50 times thicker, and you get 112 million km (80 million miles), or .**75 AU**(the distance from the earth to the sun).2

## How many times can you fold a dollar bill?

The myth: You can't fold a paper in half more than

**eight times**.* The reality: Given a paper large enough—and enough energy—you can fold it as many times as you want. The problem: If you fold it**103 times**, the thickness of your paper will be larger than the observable Universe: 93 billion light-years. Seriously.3

## What happens if you fold a piece of paper 42 times?

By time

**I**get to 20 foldings, my**folded paper**is more than 10 kilometers high, which surpasses Mt. Everest. 41 foldings will get me slightly more than halfway to the Moon, so that means that**42**foldings is all it takes! (Of course, good luck**folding**a real**piece of paper**more than 7 or 8**times**…)4

## How many times can you fold a dollar bill before it tears?

About

**4,000 times**before it will tear (if that is what you are asking).5

## What the most you can fold a piece of paper?

In January 2002, while a junior in high school, Gallivan demonstrated that a single piece of toilet paper

**4000**ft (1200 m) in length can be folded in half**twelve**times. This was contrary to the popular conception that the maximum number of times any piece of paper could be folded in half was**seven**.6

## How thick is a piece of notebook paper?

Thickness of a Piece of Paper

Bibliographic Entry | Result (w/surrounding text) | Standardized Result |
---|---|---|

Common Paper Sizes. papershops.com. | "Copy paper is about 0.004 inches thick" | 0.1 mm |

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## How many times can you fold a standard piece of paper?

It is commonly claimed that you cannot fold a piece of paper in half more than

**seven times**. That may be true for a standard piece of paper of A4 dimensions, but according to US teenage (at the time) mathematician Britney Gallivan the maximum number of folds is in fact dependent on the initial size of the sheet.8

## How big is a piece of notebook paper?

The college ruled filler paper measures

**8 1/2" x 11"**and is three-hole punched. This 15-lb paper easily fits into a standard ring binder and is sold 400 sheets per pack.9

## How thick is card stock?

In the U.S., card stock thickness is usually measured in points or mils which is the thickness of the sheet in thousandths of an inch. For example, a 10 pt. card is

**0.010 in**(**0.254 mm**) thick (roughly corresponding to a weight of 250 g/m^{2}), and 12 pt. is**0.012 in**(**0.3048 mm**).10

## How thick is 100 sheets of paper?

SPINE THICKNESS GUIDE

Number of sheets (leaves) of paper | Standard 80gsm paper | 100gsm paper |
---|---|---|

One leaf of paper = 2 pages | Thickness of spine in mm | Thickness of spine in mm |

50 | 5 | 5.5 |

75 | 7.5 | 8 |

100 | 10 | 10.5 |

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## How big is a standard piece of paper?

Letter-Size Paper. Most printers sold for business use support standard

**8.5 inch**wide by 11 inch tall letter-size paper by default. At the same time, they can also feed the similar European specification A4 sheet, which measures approximately**8.25 inches**wide by 11.75 inches tall.12

## How long is a piece of a4?

The A3 size print measures 29.7 x 42.0cm, 11.69 x 16.53 inches, if mounted 40.6 x 50.8cm, 15.98 x 20 inches. The A4 size print measures 21.0 x

**29.7cm**, 8.27 x**11.69 inches**, if mounted 30.3 x 40.6cm, 11.93 x 15.98 inches.13

## How many times do you have to fold a piece of paper to get to the moon?

If you were to fold a piece of paper in half

**42 times**, it would reach the moon. Several of those around the table scoffed at this, exclaiming that a single sheet of paper was simply too thin to have its thickness reach any substantial amount after only a few dozen folds.14

## How thick is 20 lb paper?

Main Navigation

Paper Thickness | |
---|---|

Paper Type | Approx. Caliper (Thickness) |

20lb / 50lb Offset text (uncoated) paper | .0035" |

24lb / 60lb Offset text (uncoated) paper | .004" |

28lb / 70lb Offset text (uncoated) paper | .005" |

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## How do you measure the thickness of paper?

Because the same size sheet is always being weighed, GSM (grams per square meter) provides a more uniform scale to judge a

**paper's**weight and**thickness**. Finally, you can always**measure the thickness**of a sheet of**paper**using a caliper. Specialty media is often specified in Points or 1/1000 of an inch.16

## How thick is a standard business card?

Cover/Card Stock varies in thickness and weight. For example, a 10 pt card is

**0.010 inches**(**0.254 mm**) thick (roughly corresponding to a weight of 250 grams per square meter); a 12 pt card is**0.012 inches**(**0.3048**millimeters). See Figure 1—Cardstock Thickness vs. Weight.17

## How thick is a sheet of paper in nanometers?

A sheet of paper is about 100,000 nanometers thick. A strand of human DNA is 2.5 nanometers in diameter. There are 25,400,000 nanometers in

**one inch**. A human hair is approximately 80,000- 100,000 nanometers wide.18

## How many microns are in the thickness of a piece of paper?

Thickness is measured in microns, or thousandths of a millimetre. The thickness of different paper qualities. Newsprint

**45 gsm**about 70 microns copying paper**80 gsm**about 100 microns thin cardboard**180 gsm**about 200 microns pad cardboard**400 gsm**about 600 microns.19

## How many inches thick is a ream of paper?

The demension. Question 258549: One ream contains 500 sheets of paper and is

**about 5.2 cm**thick. Considering this information, find the volume of one sheet of letter-size paper in cubic centimeters.20

## What is there beyond space?

Astronomers think

**space**might be infinite, with "stuff" (energy, galaxies, etc.) distributed pretty much the same as it is in the observable universe. If it is, that has some seriously weird implications for what lies out**there**.**Beyond**the Hubble Volume you won't just find more, different planets.