Debt investing

Bond Price Calculator

Discount a bond's future coupons and face value at the market yield to find its present value, the fair price today.

  • Free
  • No sign-up
  • Updated for 2026

Bond terms

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yr

Enter the bond's terms to see its price.

Worked example

With these example inputs:

  • Face value$1,000
  • Coupon rate5%
  • Market yield6%
  • Years to maturity10 yr
  • Coupon frequency

Bond price: $926

  • Coupon payment$25
  • Total coupons$500
  • Current yield5.4%
  • Face value$1,000

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What this bond price calculator does

This calculator finds a bond's fair price. You enter the face value, coupon rate, market yield, years and frequency. The tool then shows the price. It reveals what a bond is worth today at the market yield. This is a key bond measure. Try a range of inputs to compare. The result helps you value a bond.

What a bond price is

A bond price is the present value of its cash flows. It is the sum of all future coupons. It also includes the final face value. Each is discounted at the market yield. So the price reflects current rates. It is what a buyer should pay. It is shown as an amount.

How it is calculated

The math takes a few steps. The tool discounts each coupon to today. It also discounts the final face value. It uses the market yield as the discount rate. Then it sums all the present values. That gives the bond price. The tool handles the math for you.

What the result tells you

The result shows the bond's fair price. It is what the cash flows are worth now. Compare it to the market price. A higher fair price may mean a bargain. A lower one may mean it is dear. It grounds the price in the cash flows. It is a clean valuation signal.

Why the bond price matters

The bond price reflects current market yields. It tells you what a bond should cost. It helps you spot a rich or cheap bond. It ties the price to interest rates. So it guides a buy or sell view. Investors check it before trading. It is core to bond investing.

Why bonds trade above or below face

A bond trades at face when its coupon matches the market. It trades below face when the market yield is higher. It trades above face when the market yield is lower. So prices move opposite to yields. A 5% coupon falls in value when yields rise. The gap drives the discount or premium.

The role of the market yield

The market yield is the discount rate. A higher yield lowers the bond price. A lower yield lifts it. So price and yield move in opposite ways. The coupon stays fixed throughout. Only the price adjusts to the market. It shapes the whole result.

How to use it

Enter the face value first. Add the coupon rate and market yield. Then add the years and the frequency. Read the bond price at once. Try different figures. Compare a few bonds. Use it to value a bond.

Coupon frequency and the price

The coupon frequency affects the price. Many bonds pay twice a year. More frequent coupons arrive sooner. That can lift the price a little. The tool adjusts for the frequency you pick. So match it to the real bond. It keeps the result accurate.

Common mistakes to avoid

A common mistake is mixing the coupon rate and the market yield. They play different roles. Another is picking the wrong frequency. It changes the price. Some forget the final face value. Others use an annual rate for semi-annual coupons. A solid estimate keeps these mistakes away.

A final tip

Use this tool to find a bond's fair price. Remember price moves opposite to the market yield. Match the coupon frequency to the bond. Test a range of yields. Compare the price to the market. Do not confuse the coupon with the yield. A careful check guides your choice.

Frequently asked questions

Why is the price different from the face value?

When the market yield is above the coupon rate, the bond is worth less than face and trades at a discount. When it is below, the bond trades at a premium.

What market yield should I use?

Use the yield investors currently require for bonds of similar risk and maturity. As that yield moves, the calculated price moves in the opposite direction.