A series of equal payments at regular intervals. Used for pensions, mortgages, insurance.

Ordinary annuity vs annuity due?

Ordinary: end of period. Due: beginning. Due earns one extra period of interest, so PV and FV are higher.

When to use PV vs FV?

PV: current value of future payments (pension, loans). FV: accumulated value of investments (retirement, DCA).

📋 Annuity Calculator

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Online Annuity Calculator - PV, FV, and PMT with ordinary/due support

🔧 Calculation Mode

Annuity PV

Annuity FV

Periodic Payment

📝 Input Parameters

Periodic Payment (PMT)

Annuity Present Value (PV)

Annuity Future Value (FV)

Periodic Interest Rate (%)

Number of Periods

Annuity Type

Payment Frequency

📊 Results

📋 Period-by-Period Schedule

Period	Payment	Interest	Principal	Balance

FAQ

Q1: What is an annuity?

An annuity is a series of equal payments at regular intervals. Common examples include monthly pension payments, mortgage payments, and annual insurance premiums. Annuity calculations are fundamental for financial planning.

Q2: What's the difference between ordinary annuity and annuity due?

Ordinary annuities pay at the end of each period; annuity due pays at the beginning. Annuity due earns one extra period of interest, so both PV and FV are higher. For example, with monthly $1K payments, annuity due has about one month's extra interest.

Q3: When should I use PV vs FV for annuities?

Use PV when you need the current value of future payments (e.g., pension valuation, loan calculation). Use FV when projecting the accumulated value of regular investments (e.g., retirement savings goal, DCA returns).