How to Calculate Exchange Rate: 9 Steps (with Pictures) - wikiHow (2025)

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Doing the Math Yourself Using Other Conversion Tools Exchanging Currency Exchange Rate Calculator Community Q&A Tips You Might Also Like References About This Article Reader Success Stories Did this article help you? FAQs References

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Finance and Business
Investments and Trading
Foreign Exchange Market

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parts

1Doing the Math Yourself

2Using Other Conversion Tools

3Exchanging Currency

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Tips and Warnings

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Article Summary

Reviewed byAlex Kwan

Last Updated: March 8, 2024References

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If you're planning to go abroad and exchange your money for another currency, it's a good idea to figure out how much cash you'll have after the exchange. Also, knowing exactly how much your money is worth can prevent you from being charged unreasonable fees because you'll be able to calculate your losses and choose which method to use if you plan in advance. Being aware of how much your foreign currency is worth is a smart travel move that can potentially save you quite a bit of trouble.

Part 1

Part 1 of 3:

Doing the Math Yourself

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1
Estimate the amount of money you wish to exchange. Think about how much money you're budgeting for the trip. Or, if you know how much money you'll need in the other country, work backwards and start with the foreign currency.
2
Look up the exchange rate of the currency to which you wish to convert. You can find this information on a Google search, or on several banking or financial websites.
- Note that you want to set the currency you have to 1; the value listed next to the currency you're exchanging to is the exchange rate.
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3
Calculate how much money you'll have after the exchange. Multiply the money you've budgeted by the exchange rate. The answer is how much money you'll have after the exchange. If "a" is the money you have in one currency and "b" is the exchange rate, then "c" is how much money you'll have after the exchange. So a * b = c, and a = c/b.
- For instance, say you want to convert Euros to US dollars. At the time of this revision, 1 Euro is worth 1.09 US dollar. Your exchange rate is 1.09. If you're planning on taking $1500 Euros with you, you would multiply 1500 by 1.09. The answer, 1632.61, is how much money you'll have in dollars after the exchange.
- Here's an example of the "work backwards" method. Say that you know you'll need 20,000 Hungarian forints for your trip. You discover that 1 US dollar is equivalent to 226.43 forints. To figure out how many US dollars you would need to save at the current exchange rate, divide 20,000 by 226.43. The answer, 88.33, is how many US dollars you need to exchange.

Part 2

Using Other Conversion Tools

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1
Check for an up-to-date conversion rate online. There are many websites^[1]^[2] that constantly update their site with the current conversion rates for currencies around the world. These are good places to look for the exchange rate, then use the equation in Step 3 above to calculate currency totals.
2
Contact the government for accurate exchange rates. You can contact the Department of Treasury^[3] or other governmental agencies^[4] to get up-to-date information about exchange rates for converting currency.
3
Google the conversion you want to know. Simply type into a Google search bar what conversion you want to make and Google will tell you the answer using their currency converter.
- For example, if you want to know what the exchange rate for $1,000 US to Euros is, type 1000 dollars to euros in any Google search bar and it will tell you the answer.
- However, because Google's finance converter does not constantly track and update current currency exchange rates, this information is more of an estimate and should not be relied on as accurate up-to-the-minute data.

Part 3

Part 3 of 3:

Exchanging Currency

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1
Ask your bank. Many banks, especially larger ones like Bank of America or Wells Fargo, keep foreign currency on hand in the branch.^[5] You can go to the bank and pick them up directly or order them online. And, even if you are not a customer, these banks will usually allow you to exchange currency for a fee.
- If your bank's branch does not keep he currency on hand, they can often order it for you. This usually takes about 2-5 business days.^[6]
- Note: Many smaller banks and credit unions are unable to exchange foreign currency.^[7]
2
Use a currency exchange service. Most major airports have currency exchange services that use companies like Travelex^[8] to help travelers exchange their home country's money when they arrive in a new destination.
- These services often charge much higher fees than exchanging currency at a bank because they are in prime locations (like airports) where people need local currency quickly.
3
Use an ATM in a foreign country. Sometimes the easiest way to exchange money is to simply use your card at an ATM while you are traveling. Your bank will probably charge you a foreign transaction fee that is a percentage of the entire amount withdrawn (usually 1-3%)^[9] in addition to other fees for using another bank's ATM.

Exchange Rate Calculator

Sample Exchange Rate Calculator

Community Q&A

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Question
I have the USA amount and the Canadian amount, how do I calculate the exchange rate?
Community Answer
Division. Canadian money divided by American money equals the exchange rate from USA to Canada. The opposite makes the exchange rate for the other direction, C/A=R.
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At a rate of 1.5625 Swiss franc per dollar, what is $50 in Swiss francs?
Community Answer
The equation you need is 1.5625 x 50 = 78.125 Swiss francs.
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Question
I have an international hotel bill (JPY) that has an exchange rate of .0093 USD. How do I calculate the daily hotel charge?
Blake Nouribekian
Community Answer
If your hotel bill was 100,000 Yen and you multiply it by .0093 you get $930 USD. Divide that by how many days you stayed.
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Tips

Always use up-to-date rate tables to figure your exchange rates. Currency exchange rates fluctuate frequently. While you can get a rough estimate using old rates, if one or the other currency changes value, and you are exchanging large amounts of currency, it can add up to a lot.
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About This Article

Reviewed by:

Alex Kwan

Certified Public Accountant

This article was reviewed by Alex Kwan. Alex Kwan is a Certified Public Accountant (CPA) and the CEO of Flex Tax and Consulting Group in the San Francisco Bay Area. He has also served as a Vice President for one of the top five Private Equity Firms. With over a decade of experience practicing public accounting, he specializes in client-centered accounting and consulting, R&D tax services, and the small business sector. This article has been viewed 927,041 times.

50 votes - 72%

Co-authors: 38

Updated: March 8, 2024

Categories: Foreign Exchange Market

Article SummaryX

To calculate exchange rate, multiply the money you have by the current exchange rate, which you can find through Google or by calling the Department of the Treasury. For example, if you want to convert $100 to pesos when 1 dollar equals 19.22 pesos, then you would have 1,922 pesos after the exchange. If you know how much money you’ll need in the other country, you can divide that number by the exchange rate to see how many dollars you need to exchange. To learn where and how to exchange money, read on!

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How to Calculate Exchange Rate: 9 Steps (with Pictures) - wikiHow (2025)

FAQs

How do you calculate exchange rate easily? ›

Calculate an FX rate using this simple formula: Your starting figure (in your local currency) divided by the final number (in the new foreign currency) = the exchange rate.

What is the rule of the exchange rate? ›

Countries are free to choose which type of exchange rate regime they will apply to their currency. The main types of exchange rate regimes are: free-floating, pegged (fixed), or a hybrid. In free-floating regimes, exchange rates are allowed to vary against each other according to the market forces of supply and demand.

What is an example of an exchange rate? ›

For example, an AUD/USD exchange rate of 0.75 means that you will get US75 cents for every AUD1 that is converted to US dollars.

Find Out More ›

Do you multiply or divide when converting currency? ›

It is easy to confuse whether you need to multiply or divide by the exchange rate. One way to remember is with the rule: If you are going from the “1” to the other currency then multiply. If you are going to the “1” from the other currency then divide.

Learn More ›

What is the formula for the average exchange rate? ›

Learn More ›

What is the formula for the effective exchange rate? ›

The Formula for REER Is

For example, if a currency had a 60% weighting, the exchange rate would be raised to the power by 0.60. The same is done for each exchange rate and its respective weighting. Multiply all of the exchange rates. Then multiply the final result by 100 to create the scale or index.

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How do you convert dollars to pounds manually? ›

If you have dollars and want to convert to pounds, you can multiply the dollars by the USD → GBP conversion rate, OR divide it by the GBP → USD conversion rate.