Compound Interest Calculator - Calculate Investment Growth & Savings Returns
Compound Interest Calculator
Calculate compound interest on your investments and savings. See how your money grows with compound interest over time. This free compound interest calculator helps with investment growth planning and retirement calculations.
Your initial investment or savings amount
Expected yearly return percentage
How long you plan to invest
How often interest is calculated and added
🚀 How It Works
📝 Enter Values
Input your numbers
⚡ Calculate
Get instant results
Common Compound Interest Examples
These examples show how compound interest calculator works with different amounts and time periods
This formula calculates compound interest for any investment or savings
Savings Calculator
Monthly compounding
Bank savings accounts with compound interest
Investment Calculator
Annual compounding
Stock market investment growth
Financial Planning
Semi-annual compound
CDs and bonds with compound interest
Retirement Calculator
Quarterly compound
401k and IRA compound growth
What is Compound Interest?
A compound interest calculator helps you see how your money grows over time. Compound interest means you earn interest on both your original money and the interest you already earned. This makes your investment grow faster than simple interest.
Our compound interest calculator shows you exactly how much your investment will be worth. You can calculate compound interest for savings accounts, investments, or retirement planning. The calculator uses the compound interest formula to give you accurate results.
Investment Growth
Calculate how your investment grows with compound interest. See your money grow faster than simple interest calculations.
Savings Calculator
Use our savings calculator to plan your financial future. Calculate compound growth for your savings account.
Financial Planning
Perfect for retirement calculator needs and long-term financial planning. Calculate your money growth over years.
Compound Interest Calculator Examples
These examples show how the compound interest calculator works. Each calculation uses the compound interest formula to show investment growth over time.
| Principal Amount | Interest Rate | Time Period | Final Amount | Interest Earned |
|---|---|---|---|---|
| $1,000 | 5% yearly | 10 years | $1,628.89 | $628.89 |
| $5,000 | 7% yearly | 15 years | $13,795.85 | $8,795.85 |
| $10,000 | 6% yearly | 20 years | $32,071.35 | $22,071.35 |
How Compound Interest Works
Simple vs Compound Interest
Simple interest only calculates interest on your original amount. Compound interest calculates interest on both your original amount and all the interest you earned before.
This compound interest calculator shows why compound interest makes your money grow much faster than simple interest over time.
Compound Interest Formula
The compound interest formula is: A = P(1 + r/n)^(nt)
- • A = Final amount after compound interest
- • P = Principal (starting amount)
- • r = Annual interest rate
- • n = How often interest compounds per year
- • t = Number of years
Common Uses for Compound Interest Calculator
Savings Account
Calculate how your savings grow with compound interest
Investment Calculator
See your investment growth over time
Retirement Planning
Plan for retirement with compound growth
Financial Planning
Make smart money decisions
Frequently Asked Questions About Compound Interest Calculator
How does this compound interest calculator work?
Our compound interest calculator uses the standard compound interest formula. You enter your starting amount, interest rate, time period, and how often interest compounds. The calculator then shows your investment growth and total compound interest earned.
What is the difference between simple interest and compound interest?
Simple interest only calculates interest on your original money. Compound interest calculates interest on both your original money and all the interest you earned before. This makes compound interest much better for investment growth.
How often should interest compound for best results?
More frequent compounding gives better results. Daily compounding grows your money faster than monthly or yearly compounding. Use our compound interest calculator to compare different compounding frequencies.
Can I use this calculator for retirement planning?
Yes! This compound interest calculator is perfect for retirement planning. Calculate how your retirement savings will grow over time. See how compound growth helps build wealth for your future.
What is the Rule of 72 in compound interest?
The Rule of 72 helps you quickly estimate compound interest. Divide 72 by your interest rate to see how many years it takes to double your money. For example, at 6% interest, your money doubles in about 12 years (72 ÷ 6 = 12).
Is this compound interest calculator accurate?
Yes, our compound interest calculator uses the exact compound interest formula used by banks and financial institutions. The calculations are precise and reliable for financial planning and investment decisions.
Share This Compound Interest Calculator
Help others calculate their investment growth and savings returns with compound interest