APR Calculator
Annual Percentage Rate & Yield
Calculate APR, APY, effective interest rates, and loan payments with detailed step-by-step breakdowns.
Calculator
APR to APY Formula:
APY = (1 + APR/n)^n - 1
APR vs APY
APR (Annual Percentage Rate):
The yearly interest rate without compounding
APY (Annual Percentage Yield):
The effective annual rate with compounding included
Key Difference:
APY is always higher than APR when compounding occurs
Features
- APR to APY conversion
- APY to APR conversion
- Loan APR calculator
- Multiple compounding frequencies
- Effective APR with fees
- Monthly payment calculation
- Step-by-step breakdown
- Copy results
Compounding Frequency
Annually:
Once per year (n = 1)
Monthly:
12 times per year (n = 12)
Daily:
365 times per year (n = 365)
Impact:
More frequent compounding = higher APY
When to Use
Savings Accounts:
Compare APY for best returns
Credit Cards:
Check APR for interest charges
Loans:
Calculate effective APR with fees
Investments:
Understand compound growth
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