Annuity Calculator - Calculate Present Value & Future Value of Annuity With Growing Payments

Annuity Present/Future Value Calculator

Number of Periods (N)

years

Interest Rate (I/Y)

(%) per periods

Compounding Frequency

Custom Compounding Frequency

Payment Amount (PMT)

($) each payment

Payment Amount Growth

Payment Frequency

Custom Payment Frequency

Payment Made at What Point in Period?

Beginning (Annuity due)

End (Ordinary annuity)

Calculation Results

Present Value

Total Interest

Future Value

Total Deposit

Portfolio Breakdown

Payment Schedule
#	Deposits	Interest	End balance

Period Schedule
Period	Deposits	Interest	End balance

Accumulation Growth Chart

Our calculator supports:

Ordinary Annuities (payments at the end of each period)
Annuities Due (payments at the beginning of each period)
Growing Annuities (payments that increase over time)
Perpetuities (infinite payment streams)
Multiple Payment Frequencies (monthly, quarterly, annual, etc.)
Custom Compounding Periods (including continuous compounding)

Special Configuration Examples:

Standard Perpetuity (Infinite Equal Payments)

✓ Number of Periods (N): 999 years
✓ Compounding Frequency: Continuous
✓ Payment Amount Growth: 0%
✓ Use Case: Endowment funds, dividend stocks with constant payments

Growing Perpetuity (Infinite Increasing Payments)

✓ Number of Periods (N): 999 years
✓ Compounding Frequency: Continuous
✓ Payment Amount Growth: [Your growth rate, e.g., 3%]
✓ Use Case: Dividend growth stocks, inflation-adjusted perpetual bonds

Retirement Savings (Monthly Contributions)

✓ Number of Periods (N): [Years until retirement]
✓ Payment Frequency: Monthly
✓ Compounding Frequency: Monthly
✓ Payment Amount Growth: 2-4% (salary increases)
✓ Payment Timing: End of Period

Mortgage/Loan Analysis

✓ Number of Periods (N): 15 or 30 years
✓ Payment Frequency: Monthly
✓ Compounding Frequency: Monthly
✓ Payment Amount Growth: 0%
✓ Payment Timing: End of Period

College Savings Plan

✓ Number of Periods (N): 18 years (birth to college)
✓ Payment Frequency: Monthly
✓ Compounding Frequency: Quarterly
✓ Payment Amount Growth: 3% (inflation adjustment)
✓ Payment Timing: Beginning of Period

References

For more information about annuities, retirement planning, and financial calculations, please consult these authoritative sources:

U.S. Government Resources:

IRS - Retirement Topics: Annuities - Official tax information about annuities
SEC Investor.gov - Annuities - Comprehensive guide to understanding annuities
Social Security Administration - Retirement Benefits - Information about government retirement benefits
USA.gov - Retirement - Federal government resources on retirement planning
U.S. Department of Labor - Retirement Plans - Information about workplace retirement plans

Financial Education Resources:

Consumer Financial Protection Bureau - Retirement - Consumer-focused retirement guidance
FDIC Money Smart - Free financial education curriculum