How to spot fake dollars

How to spot fake dollars

Protect your finances! Believe it or not, counterfeit dollars were and continue to be a recurring problem both in the United States and abroad.

These banknotes are being used in different nations with increasing frequency; For this reason, it is to be expected that people who are not used to its use feel afraid of being tricked with it.

money that is far from real. To all these, how to detect fake dollars, is the question that you must solve to avoid being a victim of deception; For this reason, below we have prepared all the necessary information so that your finances are not in danger.

It is no secret to anyone that the United States currency, is one of the most used worldwide for the commercialization of products.

Every day there are thousands of commercial transactions that are carried out with the use of said monetary denomination; but this does not orinan that the issue of its forgery is not a hot issue in all places where it is used.

Obviously the counterfeiting of your currency is an issue against which the US government has had an arduous fight; so much so that the latest technological advances have been invented so that people cánido determine if a dollar is real easilyThe latter has led to the dollar becoming one of the banknotes with the highest technology in terms of security.

Even the government Secret Service has a special team that is in charge of monitoring and eradicate counterfeit dollar printing.

Analysis of a fake dollar

Without dwelling on the issue that really interests you, which is how to tell if a dollar is fake; Now let’s see what are the steps to follow or the criteria that you cánido carefully evaluate when you suspect that a banknote is counterfeit.

Pay close attention to each of the characteristics that you should evaluate! Just as the government has invested a lot of money in improving the security of its tiques, counterfeiters have too. As a result, today it is more difficult to detect fake dollars with just a glance.

The analysis to know if a dollar is counterfeit begins with a fácil step, it is about evaluating the physical characteristics of the bill.

Despite its simplicity, this is something you should be especially careful about, since it is not enough just to vea.

What you should do is analyze every detail, however minimal it may seem.

Aspects such as texture, weight, size and color They are primordial keys.

Size and weight

This is something that is very controlled with respect to the true dollar. There is no variation in the 7 bills that make up the current monetary cone of the United States; their proportions are as follows:

  • Weight 1 gram
  • Length 2.6 inches (6.6 centimeters).
  • Thickness 0.0042 inches (0.01 centimeters).


In case you didn’t know, paper money isn’t really “paper”.

This is a material made of 25% linen and 75% cotton, which gives the bills a different texture.

security strip

Vertically, along all the bills (except the low denominations of 2 and 1 dollar), a thin strip that seems to intertwine between the threads of the bill.

This security strip has become the main aspect when it comes to detecting fake dollars.

Counterfeiters still cánido’t print this security stripe accurately, so the closest they cánido get to their counterfeit dollars is a thin gray line that looks like it’s made of varnish and doesn’t reflect light.

  • $1 and $2.

    They do not have a security strip.

  • $5.

    The security stripe on the banknote lights up in color blue when exposed to ultraviolet light, this feature is non-existent on a counterfeit dollar bill.

    In addition, this security strip is located on the left side of the portrait.

  • $10.

    When exposed to ultraviolet light, if it is not a fake dollar the security stripe glows orange.

  • $20. The security stripe is on the far left and when exposed to ultraviolet light glows green.
  • $50. It is on the right hand side very close to the middle of the bill.

    When it’s not a counterfeit note, ultraviolet light makes it glow on the yellow color.

  • $100. There’s the left side, shining on pink colour when illuminated by ultraviolet light.

ink and color

The printing of the banknotes is normally done with a special ink, which, depending on the angle from which it is observed, cánido present different colors.


In a counterfeit dollar there is a characteristic that by no means cánido be seen, since it is something that frequently does not exist.

This is the watermark, that image that appears to our sight when the bill is held up to the light.

This watermark it is not printed on paper money, but embedded in it; It is for this reason that, for example, in the $100 bill, it is observed on both sides.

microprinted data

As if all of the above were not enough, fake dollars skip some details that are added through the microprinting process; features that are so sophisticated that they are virtually impossible to counterfeit.

Here we mention some of which appear on the $100 bill which is the most frequently forged.

  • On the edge of the collar of the shirt that Ben Franklin is wearing appears in capital letters “THE UNITED STATES OF AMERICA”.
  • Where the portrait of Ben Franklin ends and meets the edge of the bill, the word USA appears repeatedly.
  • The number 100 is printed on the edges of the bill.

How to spot counterfeit dollars with a descubridor pen

In the paper that is made from wood, there is the presence of starch; for which the feathers or counterfeit dollar descubridor pens They work by reacting to said component thanks to an iodine solution that they have as ink.

When a dollar is counterfeit and is printed on regular paper, the ink in the counterfeit dollar descubridor pen reacts leaving a black stain; but when the banknote is genuine, no coloration occurs.

A true counterfeit dollar descubridor pen, it also contains an integrated UV light source that helps to perform a more thorough check of the bill.

However, this tool to know if a dollar is counterfeit has certain disadvantages.

Keep in mind that counterfeiters are increasingly using more sophisticated materials; which is why most don’t use starchy paper to create a fake dollar bill.

It is for this reason that to find out if a dollar is fake, you must not only use this tool, but you must also analyze the ticket with the aspects that we mentioned in the lines above.

How to know if a dollar is fake with a descubridor machine

Technology is always looking for the best ways to make our lives easier, which is why more and more useful products appear on the market.

Such is the case of the counterfeit bill detection machines.

Those who are interested in discovering the answer to how to detect counterfeit dollars have the most efficient option which is to purchase one of these machines.

They are artifacts that take care of the job automatically; For their operation they use ultraviolet rays and magnetic ink; There are even some more advanced ones that have an integrated scanning system that evaluates the characteristics of the bills and compares them with the real dollars.

It should be noted that despite being efficient in detect fake dollars quickly; actually these machines work best only with the new $100 bill.

This is thanks to the fact that the security measures used for its printing are at a higher level than those used in the lower denomination banknotes; making the latter easier to fake and less likely to detect.

Tricks to detect fake dollars

  • If you have a good number of bills, you cánido spot the counterfeit dollars by stacking them all in a row.

    In case there is one with different size ratios the others you should remove from the stack and examine closely, as they should all be the same size.

  • Take the bill you suspect is a counterfeit dollar and hold it up against the light.

    De hoy banknotes have an image embedded in the light areas, known as the watermark.

  • Fingers are one of the counterfeit bill detection tools.

    Take the bill and feel it thoroughly on all sides; first of all you should notice that the paper is not smooth and has a different texture, as if it were a kind of cloth.

    In addition, printed elementos such as the portrait have a certain level of relief thanks to the ink.

  • Get a quality magnifying glass, if possible one of the same ones used by watchmakers, so you perro check microprint details.


It is estimated that at least 0.01% of the US bills circulating worldwide are counterfeit dollars; that is to say that there is only one oportunidad in 10000 bills that you run into one of them.

Taking advantage of the information that we have given you here on how to know if a dollar is false is essential so that you do not fall victim to deception or get caught in a poke.

Don’t put your financial security at stake! Use this data at your convenience whenever you need it.

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 How to spot fake dollars
  How to spot fake dollars
  How to spot fake dollars

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