trending_up
Interest Calculator
dark_mode
tune
Your Numbers
payments
Currency
USD — US Dollar
EUR — Euro
GBP — British Pound
INR — Indian Rupee
JPY — Japanese Yen
AUD — Australian Dollar
CAD — Canadian Dollar
SGD — Singapore Dollar
LKR — Sri Lankan Rupee
account_balance_wallet
Principal Amount
percent
Annual Interest Rate (%)
calendar_month
Time Period (Years)
show_chart
Interest Type
Compound Interest
Simple Interest
sync
Compounding Frequency
Annually
Semi-annually
Quarterly
Monthly
Daily
calculate
Update
restart_alt
Reset
info
Calculating…
Future Value
—
Principal + Interest
Principal
0% growth
savings
—
Interest Earned
account_balance
—
Principal
percent
—
Total Return
compare_arrows
—
vs Simple
Formula:
—
lightbulb
Enter your numbers to see growth projections.
tips_and_updates
Practical Tips
schedule
Start early
Time is the strongest multiplier. Even modest rates grow significantly over decades.
sync
Compound more often
Monthly or daily compounding slightly outpaces annual compounding over long periods.
savings
Reinvest returns
Leaving interest invested is what creates the snowball effect of compound growth.
balance
Compare rates carefully
A higher nominal rate with less frequent compounding can lag a slightly lower rate that compounds monthly.