Rental Yields Calculator
Our rental yield calculator below lets you calculate the gross and net rental yields for a single property or your complete lettings portfolio.
Calculating your rental yield will help you determine whether your property is a smart investment, and you will need it if you’re thinking about increasing your buy to let mortgage portfolio.

Please keep in mind that the accuracy of your rental yield calculated is only as good as the data you enter.
What is Yield mean in finance?
Yield is the amount of money you have earned from an investment over a certain time period; it is the income-only return on investments that excludes any capital gains, which is in the form of interest or dividends.
Determined by dividing dividends, coupons, or net income by the investment’s value, expressed as an annual percentage.
Investors can calculate their yield by dividing their annual income by the market value or starting cost of their investment.
  • Yield is a percentage of return measure for an investment over a specific time period.
  • The net realised return divided by the principal amount is the yield, which includes price gains as well as any dividends paid (i.e. amount invested).
  • Better and higher yields are thought to indicate lesser risk and higher income, but a high yield isn't always a good thing, such as when the dividend yield rises as the stock price falls.
How is Yield calculated?
  1. Calculate the stock or bond’s market value or initial investment.
  2. Calculate the profit earned from the investment.
  3. Subtract the income from the market value.
  4. Multiply by 100 to get the total.
Annual Rental Income DIVIDED BY Value of the Property TIMES BY 100.
The formula for calculating Yield
Yield is a measure of the cash flow received by an investor on their investment in an asset. It’s usually calculated on a yearly basis, but various variations such as quarterly and monthly yields are also employed. Total return, which is a more comprehensive measure of return on investment, should not be confused with yield. The yield calculations is as follows:
Yield = Net Realised Return DIVIDED by Principal Amount.
Gains and returns on stock investments, for example, might take two forms. First, it can be in terms of price rise, such as when an investor buys a stock for £100 per share and sells it for £120 after a year.
Another example of yield is, if you were to invest £900 in a £1,000 bond that pays a 5% coupon rate, your interest income will be (£1,000 x 5%), or £50.
(£50)/(£900), or 5.56%, is the current yield. If you purchase the same £1,000 bond at a £1,100 premium, the current yield is (£50)/(£1,100), or 4.54%.
Because a higher yield value shows that an investor might recover more cash flows from their assets, a higher yield value is sometimes interpreted as indicating reduced risk and higher income. However, it is critical to comprehend the calculations involved. A high yield could be the result of the security’s market value declining, which lowers the denominator value in the calculation and raises the estimated yield value even though the security’s value is falling.

While many investors prefer stock dividends, yields must be considered. If yields grow excessively high, it could mean that the stock price is falling or that the corporation is giving out excessive dividends.

Dividends are paid from a company’s earnings, thus larger dividend distributions could indicate more profitability, which could lead to higher stock prices. Higher dividends combined with rising stock prices should result in a steady or modest increase in yield. A big increase in yield without a rise in the stock price, on the other hand, could suggest that the company is paying dividends without raising profitability, which could imply short-term cash flow issues.
Yields vary depending on the securities held, the length of time spent, and the amount of money returned.

Yield on stocks
Two types of yields are commonly utilised in stock-based investments. The yield is called yield on cost (YOC) or cost yield when it is calculated based on the purchase price.

Cost Yield = (Price Increase + Dividends Paid) / Purchase Price

For example, suppose an investor made a profit of £20 (£120 – £100) due to a price increase and also received £2 from a corporate dividend. As a result, the cost yield equals (£20 + £2) / £100 = 0.22, or 22%.

Many investors, on the other hand, may want to compute the yield using the current market price rather than the purchase price. This yield is known as the present yield, and it is calculated as follows:

Current Yield = (Price Increase + Dividend Paid) / Current Price

The current yield, for example, is (£20 + £2) / £120 = 0.1833, or 18.33%.

Because yield and stock price have an inverse connection, as a company’s stock price rises, the present yield falls.

Yield on bond
The nominal yield on bonds that pay annual interest can be calculated in a simple way, as follows:

Nominal Yield = (Annual Interest Earned / Face Value of Bond)

For example, if a £1,000 Treasury bond matures in one year and pays 5% yearly interest, the yield is calculated as £50 / £1,000 = 0.05 or 5%.

However, the yield on a floating interest rate bond, which pays a variable interest rate over the life of the bond, will fluctuate over time depending on the applicable interest rate at various maturities.

If a bond pays interest based on the 10-year Treasury yield + 2%, the relevant interest will be 3% while the 10-year Treasury yield is 1% and will change to 4% if the 10-year Treasury rate increases to 2% after a few months.

Similarly, the interest collected on an index-linked bond, whose interest payments are adjusted for an index such as the Consumer Price Index (CPI) inflation index, will fluctuate with the index’s value.

Yield to maturity
Yield to maturity (YTM) is a unique measure of the annual total return on a bond if it is kept to maturity. It is not to be confused with nominal yield, which is calculated on a per-year basis and fluctuates with each passing year. YTM, on the other hand, is the predicted annual average yield, and the value is expected to remain constant throughout the holding term until the bond matures.

Yield to worst case scenario
The yield to worst (YTW) is a measure of the lowest possible yield on a bond that may be received without the issuer defaulting. YTW calculates the return that would be received if the issuer used provisions such as prepayments, call-backs, or sinking funds to calculate the worst-case scenario on the bond. This yield serves as a key risk indicator, ensuring that certain income requirements are met even in the worst-case situation.

Yield to call
The yield to call (YTC) is a measure associated with a callable bond, a type of bond that can be redeemed by the issuer before maturity and refers to the bond’s yield at the call date. The bond’s interest payments, market price, and the length until the call date, which specifies the interest amount, all contribute to this value.

Municipal bonds, which are mainly non-taxable bonds issued by a state, municipality, or county to fund capital expenditures, also have a tax-equivalent yield (TEY). 1 TEY is the required pre-tax yield for a taxable bond to have the same yield as a tax-free municipal bond, which is determined by the investor’s tax bracket.

While there are many various ways to compute different types of yields, corporations, issuers, and fund managers have a lot of freedom to calculate, report, and market the yield value according to their own conventions.

Regulators such as the Securities and Exchange Commission (SEC) have adopted a standard yield calculation known as the SEC yield. The SEC yield is a standard yield calculation produced by the SEC with the goal of providing a common metric for fairer bond fund comparisons. SEC yields are computed after the fund’s mandatory costs have been taken into account.

Mutual fund yield is determined by dividing the yearly income distribution payment by the value of a mutual fund’s shares and is used to represent the net income return of a mutual fund. It contains the income made by the fund’s portfolio in the form of dividends and interest during the year. The yields are calculated and vary with the fund’s market value each day, as mutual fund valuations change every day based on its determined net asset value.

Any company venture’s yield can be calculated in addition to investments. The form of how much return is earned on the invested capital is retained in the calculation.
The actually return on a “security” over a specified period of time is measured by yield. It usually refers to various bonds and equities and is expressed as a percentage of the total value of the security.

Dividends and price changes are two important factors that determine a security’s yield. The cash flow that is returned to the investor is known as yield, and it is usually expressed on an annual basis.
The net realised return of a security is divided by the principal amount to calculate the yield. Importantly, depending on the type of asset and the type of return, there are various methods for calculating a security’s yield. The yield on equities is calculated by dividing the price rise plus dividends by the purchase price.

Bond yield can be calculated using either cost or current yield. The cost yield is calculated as a percentage of the bond’s initial price, whereas the current yield is calculated in relation to the current price.
Consider an investor who wishes to calculate the yield to worst on a bond as one way to analyse risk. This is essentially a measurement of the lowest possible yield. The investor would first look for the bond’s earliest callable date, which is the date by which the issuer must return principal and stop making interest payments. The investor would then calculate the bond’s worst-case yield after determining this date. As a result, the yield to worst represents a lesser return than the yield to maturity because it is calculated over a shorter time period.