Interest Rates Explained: What You Need to Know

Understanding interest rates: definition, meaning & explanation for beginners

What is Interest Rate?

The term “interest rate” is a fundamental concept in finance and economics that plays a crucial role in various aspects of our daily lives. In simple terms, an interest rate is the amount charged by a lender to a borrower for the use of assets. It is usually expressed as a percentage of the principal amount (the loan amount), calculated annually.

Types of Interest Rates

Interest rates can be classified into different types based on their nature and the context in which they are used. Here are the most common types:

  • Fixed Interest Rate: This is a rate that remains constant over the entire period of the loan.
  • Variable or Floating Interest Rate: This type of rate varies over the duration of the loan, typically tied to an index or a base rate.
  • Prime Interest Rate: This is the interest rate charged by banks to their most creditworthy customers.

How Interest Rates Work

Interest rates are a tool used by central banks to control monetary policy. When the economy is sluggish, central banks may lower interest rates to encourage borrowing and investment, thereby stimulating economic activity. Conversely, when the economy is overheating, they may raise interest rates to curb inflation.

From a consumer’s perspective, when you borrow money, you pay back the principal amount plus the interest. The higher the interest rate, the more you will end up paying back. Conversely, when you deposit money in a savings account or invest in a bond, you earn interest. The higher the interest rate, the more you will earn.

Impact of Interest Rates on the Economy

Interest rates have a profound impact on the overall economy. They influence investment decisions, consumer spending, inflation, and even the exchange rate of a country’s currency. Here’s how:

  • Investment: Lower interest rates make borrowing cheaper, encouraging businesses to invest in new projects, leading to economic growth.
  • Consumer Spending: Lower interest rates can stimulate consumer spending as the cost of borrowing decreases. This can lead to increased demand for goods and services, further boosting the economy.
  • Inflation: Central banks often use interest rates to control inflation. Higher interest rates can help slow down an overheating economy and curb inflation.
  • Exchange Rates: Higher interest rates can attract foreign investors looking for better returns, leading to an increase in the value of the country’s currency.


Understanding the concept of what is interest rate is essential for making informed financial decisions. Whether you’re considering taking out a loan, investing in bonds, or simply saving money in a bank, the interest rate will significantly impact your financial outcome. Furthermore, interest rates play a pivotal role in a country’s economic health, influencing investment, consumer spending, inflation, and exchange rates.


TradingChooser is the premier website for comparing the top online brokers. Developed by experts and trading enthusiasts, its primary objective is to provide traders with essential information regarding the most renowned online trading platforms.

Risk Disclaimer

Trading CFDs and forex involves highly speculative products that carry a significant risk of capital loss. Investments in financial products are susceptible to market risks. Certain financial instruments, including cryptocurrencies, are particularly speculative, and any investment should be made using funds designated as 'risk capital'. Previous market performance does not guarantee future outcomes.

Our stock market recommendations are sourced from what we consider reliable sources; however, we cannot guarantee their complete accuracy or truthfulness. They are provided solely for informational purposes and should not be construed as an invitation or solicitation to invest.

Advertiser Disclosure

TradingChooser provides global traders with a comprehensive platform to access in-depth information about various trading brokers. We meticulously examine company profiles and conduct daily investigations to identify potential frauds or scams in the industry. The trading brokers mentioned above undergo thorough verification and analysis by our team of experts, who consider the key features that a trading platform should possess.