INVESTING
Bond Yield Calculator — Current Yield & Yield on Cost
By Worldtickers ·
Use our free bond yield calculator to find a bond's current yield from its coupon rate, face value, and market price. Includes current yield and yield on cost modes, the formula, worked examples, and how bond yield differs from coupon rate.
This bond yield calculator — current yield & yield on cost tool focuses on use our free bond yield calculator to find a bond's current yield from its coupon rate, face value, and market price. Includes current yield and yield on cost modes, the formula, worked examples, and how bond yield differs from coupon rate. Use it to analyze property numbers such as cash flow, costs, returns, taxes, rent, and financing assumptions before buying, selling, refinancing, or comparing rental scenarios.
Bond Yield Calculator
Bond Current Yield Calculator
Enter the bond's face value and coupon rate to compute its annual coupon payment, then divide by today's market price to get current yield.
What Is Bond Yield?
Bond yield is the income return a bond generates, expressed as a percentage of its price. It is the most commonly quoted measure of how much cash income a bond produces relative to what you pay for it, making it the starting point for comparing bonds of different coupons, maturities, and price levels.
Because bond prices fluctuate after issuance while coupon payments typically remain fixed, a bond's yield changes over time. A bond bought at a discount — below its face value — yields more than the same bond bought at a premium. This dynamic is central to understanding fixed-income returns and is what makes a bond yield calculator useful: it translates price and coupon into a single comparable percentage.
It is worth noting what bond yield does and does not tell you. Current yield captures only the coupon income portion of your return; it does not account for capital gains or losses if you hold the bond to maturity. For the full picture, including the pull-to-par effect, you would use yield to maturity (YTM). You can explore current bond data on our market data platform and bring those prices directly into this calculator.
How to Use This Calculator
This calculator has two modes that use the same basic formula — the only difference is which price you divide by.
Current Yield
Use this mode when you want to know the income rate a bond offers at today's market price. Enter the bond's face value (typically $1,000 for U.S. corporate and government bonds), its coupon rate as a percentage, and the current market price. This is the most common way to compare the income-generating power of different bonds trading at different prices.
Yield on Cost
Use this mode when you already own a bond and want to track the income yield based on what you actually paid rather than today's market price. Enter the face value, coupon rate, and your original purchase price. This is especially useful for monitoring the income rate on a bond held in a portfolio, where the purchase price is locked in.
The Formula Explained
The bond yield formula is: Bond Yield (%) = Annual Coupon Payment / Price × 100. The annual coupon payment equals Face Value × Coupon Rate ÷ 100. Both the current yield and yield on cost modes use this identical calculation — only the price in the denominator changes.
For example, a bond with a $1,000 face value and a 5% coupon rate pays $50 per year in coupons. If it trades at $950, the current yield is $50 / $950 × 100 = 5.263%. If you bought that same bond at $900, your yield on cost is $50 / $900 × 100 = 5.556% — a higher yield because your purchase price was lower.
Conversely, if that same bond trades at $1,050 (a premium to par), the current yield drops to $50 / $1,050 × 100 = 4.762%. The coupon payment hasn't changed — only the price you pay for it has, and that changes the yield.
Real-World Examples
Example 1: Comparing Two Bonds at Different Prices
Bond A has a $1,000 face value, a 4% coupon rate, and trades at $920. Its current yield is $40 / $920 × 100 = 4.348%. Bond B has the same face value but a 6% coupon and trades at $1,080. Its current yield is $60 / $1,080 × 100 = 5.556%. Despite trading at a premium, Bond B offers a higher current yield because its coupon is substantially larger relative to its price.
Example 2: Yield on Cost for a Bond You Already Own
You bought a $1,000 face value bond with a 5% coupon for $900 last year. Your yield on cost is $50 / $900 × 100 = 5.556%. Today, that same bond trades at $960 on the open market, so its current yield is $50 / $960 × 100 = 5.208%. Your yield on cost remains locked at 5.556% regardless of what the market does — it reflects your personal entry point.
Example 3: A Premium Bond with Low Current Yield
A bond with a $1,000 face value and a 3% coupon trades at $1,100 because prevailing rates have fallen since it was issued. Its current yield is $30 / $1,100 × 100 = 2.727% — lower than its 3% coupon rate. The bond still pays $30 per year in coupons, but because you paid more than face value for it, your income return relative to your investment is lower.
Tips and Limitations
Current Yield Does Not Capture Total Return
A bond's total return includes both coupon income and any capital gain or loss from price changes over your holding period. A bond bought at a deep discount will have a high current yield, but if rates rise further and you sell before maturity, you could still lose money overall. Current yield is a snapshot of income, not a projection of total return.
Compare Yield Alongside Credit Quality
A high yield can mean a bargain, or it can mean the market is pricing in default risk. A bond from a distressed issuer may yield 8% while a Treasury yields 4%, but the risk of not getting your principal back is materially different. Always check the issuer's credit rating and financial health before chasing yield.
Use YTM for a Complete Picture
If you plan to hold a bond to maturity, yield to maturity is a more comprehensive measure because it accounts for both coupon income and the gain or loss from buying above or below par. Our yield to maturity calculator gives you that fuller view, including semi-annual compounding options.
Bond Yield Moves Inversely to Price
When interest rates rise, existing bond prices fall and their yields rise. When rates fall, prices rise and yields fall. This inverse relationship is one of the most fundamental concepts in fixed-income investing — and it means a bond's yield today may look very different a month from now.
Frequently Asked Questions
What is bond yield?
Bond yield is the income return a bond generates, expressed as a percentage of its price. It answers a simple question: for every dollar you invest in this bond at today's market price, how much annual coupon income can you expect? Because bond prices fluctuate after issuance, the yield changes even though the coupon payment typically stays fixed — a bond bought at a discount yields more than the same bond bought at a premium.
What is the difference between current yield and yield on cost?
Current yield uses the bond's current market price as the denominator, so it reflects what a new buyer would earn today. Yield on cost instead uses the price you actually paid for the bond, which is useful for tracking the income rate on a bond you already own. The annual coupon payment is the same in both calculations — only the price in the denominator changes.
How is bond yield different from coupon rate?
The coupon rate is fixed at issuance — it is the annual coupon payment divided by the bond's face value (par), which never changes. Current yield, by contrast, divides that same coupon payment by the bond's current market price, which rises and falls. A bond with a 5% coupon rate bought at par has a current yield of 5%, but if the price rises to $1,100, the current yield drops to about 4.55%, and if the price falls to $900, the current yield rises to about 5.56%.
Does bond yield include capital gains or losses?
No — current yield and yield on cost only measure the coupon income portion of a bond's return. They do not account for the gain or loss you realize if you hold the bond to maturity and it was bought at a discount or premium to par. To capture the full picture including price changes, use yield to maturity (YTM), which accounts for both coupon income and the pull-to-par effect over the bond's remaining life.
Why would two bonds with the same coupon rate have different yields?
Because their market prices differ. Two bonds from different issuers can both carry a 5% coupon rate, but if one trades at $950 and the other at $1,050, their current yields will be different — the cheaper bond yields more per dollar invested. Price differences reflect the market's assessment of credit risk, interest rate environment, and time to maturity.
Can I use this calculator for zero-coupon bonds?
Not directly — zero-coupon bonds make no periodic coupon payments, so the annual coupon payment is $0 and the current yield formula yields 0%. For zero-coupon bonds, yield to maturity is the meaningful measure because it captures the return embedded in the difference between the deep discount price and par value at maturity.
Is a higher bond yield always better?
A higher yield means more coupon income per dollar invested, but it can also signal higher risk. A bond from a financially distressed issuer may offer a high yield because the market is pricing in default risk. Similarly, a bond trading at a steep discount may yield high because interest rates have risen sharply, which depresses the bond's resale value. Always consider credit quality and your own holding period alongside the yield figure.
How often do bond coupon payments occur?
Most U.S. corporate and government bonds pay coupons semi-annually, meaning half the annual coupon is paid every six months. Some bonds pay annually, quarterly, or even monthly. This calculator uses the annual coupon payment for the yield formula, regardless of payment frequency — if you need to account for semi-annual compounding, use our yield to maturity calculator instead.
What happens to bond yield when interest rates rise?
When prevailing interest rates rise, newly issued bonds offer higher coupons, making existing bonds with lower coupons less attractive. Their market prices fall, which mechanically pushes their current yield higher. This inverse relationship between bond prices and yields is one of the most fundamental concepts in fixed-income investing.