Compound Interest Calculator (2026)
Calculate compound interest on investments or savings with regular contributions. See how your money grows over time with the power of compounding in AUD.
Input Values
The initial lump sum you are investing or depositing
Nominal annual interest rate as a percentage
How often interest is compounded per year
Investment duration in years
Amount added at each contribution period
How often you add to the investment
Results
Final Balance
$0.00
Total Contributions
$0.00
Total Interest Earned
$0.00
Principal (Original)
$10,000.00
Growth Over Time
Frequently Asked Questions
Related Content
Calculators
Simple Interest Calculator
Calculate simple interest earned on a principal amount over time.
Use CalculatorDeposit Savings Calculator
Calculate how long it will take to save for a house deposit in Australia. See your timeline, interest earned, and savings growth over time.
Use CalculatorMortgage Repayment Calculator
Calculate mortgage payments, total interest, and view an amortization schedule for your home loan.
Use CalculatorGuides
Compound Interest vs Simple Interest: Which is Better?
Compare compound and simple interest to understand which approach works best for your financial goals.
Read ArticleUnderstanding Simple Interest — A Complete Guide
Simple interest explained with formula, worked examples, when to use it, and common pitfalls — plus a calculator to test scenarios.
Read Article