Learn the Easiest Way to Calculate an FX Rate (2024)

Calculating foreign exchange (FX) rates is an inevitable part of paying international contractors, suppliers, clients, and employees. But determining the relative value of one currency versus another isn’t the easiest task.

Here, we’ll take a look at how you can easily read and calculate an FX rate using a simple formula. You can rely on it to study your market and make exchanges at the ideal time wherever you are in the world.

Calculating an FX rate: What are the challenges?

The first thing you need to understand is that FX rates constantly change. The rate you see in the morning might be completely different than the one you see midday. This is because the market rises and falls throughout the day based on demand levels.

This is challenging for many business owners because there’s often no way to predict when you’ll get the best rates. You usually need to hire someone who is highly specialized in this area to guide you with your decisions.

Another challenge is that different providers will display different rates. Depending on whether you’re using an FX provider or bank, suppliers typically won’t allow you to access true rates. This is because they’re looking to profit off of markups and fees attached to the true rate, which altogether is the rate you’re offered.

How to find and read FX rates

Several financial tools exist to help you read true market FX rates. Some of these include the following:

When you start reading true FX rates, you want to determine what your current local currency is worth in another currency. For example, 1 US dollar (USD) is worth 1.29 Canadian dollars (CAD) — give or take a number of cents, depending on the time of day and market conditions.

So, essentially the USD is more valuable in Canada after it’s been converted to CAD, while CAD converted to USD depreciates in value.

[Related: Legal and tax implications of expanding internationally into Canada from the US]

Calculating an FX rate: The formula

Calculate an FX rate using this simple formula:

For example, let’s say you have 1,000 USD, and you want to exchange it for CAD. Once converted, you’ll receive 1,289.69 CAD.

Using the formula above, you can find the exchange rate: 1,000 / 1,289.69 = .775 (~.78).

As you can see, the exchange rate is about 0.78 USD to 1 CAD. But to better understand the exchange rate, you can divide your local currency figure (1,000 USD) by the FX rate, which should give you about the same number in CAD (1,289.69 CAD).

Let’s say you want to buy a new computer for your international office that costs 845 CAD, but your USD budget is 600. You can divide your USD by the exchange rate of .78, and you’ll get 769 CAD.

So, you’ll see that this new computer is within your budget of 845 CAD!

[Related: How to set up business operations in Canada]

How are FX rates determined?

FX rates typically follow a floating regime, which means they aren’t set. The market’s current supply and demand determine them.

Fluctuations in FX rates are the result of changes in local interest rates, international competition, and the general landscape of different global economies. Luckily, fluctuations between USD and CAD aren’t as frequent or volatile as those between other foreign currencies.

How does inflation affect the FX rate between two countries?

Inflation is closely related to FX rates and therefore has a significant impact on them.

A reduction in an exchange rate often leads to inflation. So, if your local currency decreases in value, the cost of imported goods and services will likely increase. This drives up local prices, which causes inflation.

However, high inflation isn’t always an immediate concern because there’s usually a lag period between exchange rate fluctuations. The economy won’t feel its impact until a bit later.

[Related: The importance of multi-marketplace analytics tools]

The bottom line: What you should consider

Understanding exchange rates will help your business save money in both the short term and long term, so it’s wise to find as much information as possible. You’ll be able to identify areas to reduce your international spending and avoid inflated FX rates.

To ensure you’re in the know about current exchange rates between different countries, you can rely on some helpful tools.

Airwallex has a built-in transfer tool that allows you to enter the amount of currency you want to convert to another. Then, the tool will display the most up-to-date FX markup and interbank rate.

Our Global Business Accounts have an exchange engine that allows you to instantly transfer money without physically going into a bank or using other difficult-to-manage money exchange channels. And the best part is that you don’t have to calculate your own rates — we’ll take care of that for you.

Direct access to interbank exchange rates means you get the best FX rate possible, so you can start saving money now. You also don’t have to worry about conversion fees with Airwallex — only a small margin of 0.3% to 0.6% above the interbank exchange rate.

If you’re ready to make the most of your money, sign up with Airwallex today.

Learn the Easiest Way to Calculate an FX Rate (2024)

FAQs

Learn the Easiest Way to Calculate an FX Rate? ›

Calculating an FX rate: The formula

What is the easiest way to calculate exchange rate? ›

If you don't know the exchange rate, you can use the following simple currency conversion calculation to find it: take your starting amount (original currency) and divide it by ending amount (new currency) = exchange rate.

How do you calculate effective FX rate? ›

How Do You Calculate Real Effective Exchange Rate? First, weigh each nation's exchange rate to reflect its share of the home country's foreign trade. Multiply all of the weighted exchange rates. Then multiply the total by 100.

How do you easily understand exchange rates? ›

Understanding Exchange Rates

For example, the acronym USD represents the U.S. dollar, while EUR represents the euro. To quote the currency pair for the dollar and the euro, it would be EUR/USD. In the case of the Japanese yen, it's USD/JPY or dollar to yen. An exchange rate of 100 means that 1 dollar equals 100 yen.

How do you learn the exchange rate? ›

The exchange rate of a currency is how much of one currency can be bought for each unit of another currency. A currency appreciates if it takes more of another currency to buy it, and depreciates if it takes less of another currency to buy it.

What is the math for the exchange rate? ›

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.

How do you work out the exchange rate backwards? ›

You would divide 1 by the current exchange rate of the two currencies for the inverse relationship. So for example, if the USD/EUR exchange rate was 0.89, to find the reciprocal exchange rate of EUR/USD, you would perform the following calculation: 1/0.89 to arrive at 1.12.

How is the FX rate calculated? ›

FX rates typically follow a floating regime, which means they aren't set. The market's current supply and demand determine them. Fluctuations in FX rates are the result of changes in local interest rates, international competition, and the general landscape of different global economies.

How do you calculate FX? ›

If you don't know the exchange rate, you can use this formula: starting amount (base currency) / ending amount (foreign currency) = exchange rate.

How to calculate real exchange rate example? ›

If the German price is 2.5 euros and the U.S. price is $3.40, then (1.36) X (2.5) ÷ 3.40 yields an RER of 1. But if the German price were 3 euros and the U.S. price $3.40, the RER would be 1.36 X 3 ÷ 3.40, for an RER of 1.2.

What is the best way for exchange rate? ›

Travel agents often offer more competitive rates. And the Post Office is worth checking. But you are almost certain to get a better deal if you shop around online through companies such as Travelex and Moneycorp, and pick up the foreign currency at an airport or ferry port.

Do you multiply or divide to convert 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.

What is the effective exchange rate in simple words? ›

The effective exchange rate is an index that describes the strength of a currency relative to a basket of other currencies. Typically it is calculated using geometric weighting. It can be computed using the USD as a numeraire.

How do you solve foreign exchange rates? ›

How to work out exchange rates
  • Write down the exchange rate and the other information given. Keep the same currencies in line.
  • Highlight the rate.
  • Decide whether to multiply or divide by the rate. ...
  • Multiply or divide the given currency by the exchange rate.
  • State your final answer with the correct currency symbol.

How do you remember exchange rates? ›

SPICED. SPICED is the acronym to remember what happens when the GBP exchange rate strengthens. When it weakens, think of the reverse. However, for businesses in the UK that export to other countries, the fall in the value of the pound makes their products more price competitive to foreign buyers.

How to calculate fx impact? ›

FX Impact is calculated as the change of FX rate multiplied by the previous Sales in original currency { (FX t - FX t-1)*Sales T-1}

What is the formula for the exchange rate method? ›

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 formula for the real exchange rate? ›

The core equation is RER = eP*/P, where, in our example, e is the nominal dollar/euro exchange rate, P* is the average price of a good in the euro area, and P is the average price of the good in the United States.

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