# Future Value of Annuity Calculator

Calculate the future value of your annuity with our easy-to-use calculator. Plan your savings and investments effectively to meet your financial goals.

**Future Value (FV)**$0

**Total Interest**$0

**Total Payments**$0

## Future Value of Annuity Formula

```
FV = P * [(1 + r/n)^(n/m) - 1] / [r/n] * (1 + r/n)^(nt)
```

Where:

**FV**: Future value of the annuity**P**: Payment amount per period**r**: Annual interest rate (as a decimal)**n**: Number of compounding periods per year**m**: Number of payments made per period**t**: Total number of periods (years)

The formula also takes into account the growth of payment amounts over time, which can be factored into the calculation to determine both the future value at the end of the payment period (ordinary annuity) and the future value at the start of the payment period (annuity due).

## Future Value of Annuity Meaning

The future value of an annuity refers to the total value of a series of regular payments at a specific point in the future, considering interest accrued over time. This concept is crucial for understanding how investments or savings grow when regular contributions are made over a period.

There are two types of annuities commonly considered:

**Ordinary Annuity**: Payments are made at the end of each period. The future value is calculated at the end of the investment term.**Annuity Due**: Payments are made at the beginning of each period. The future value is typically higher because each payment has more time to accrue interest.

Understanding the future value of an annuity helps individuals plan their finances effectively, ensuring that they meet their long-term financial goals, such as retirement savings or funding large future expenses.

## Future Value of Annuity Due

The future value of an annuity due calculates the total value of a series of payments made at the beginning of each period. Because each payment is made earlier, it has more time to accumulate interest, resulting in a higher future value compared to an ordinary annuity.

In an annuity due, each payment period starts with a payment, which means the interest starts accruing immediately. This makes annuities due particularly advantageous for maximizing returns over time.

The formula for calculating the future value of an annuity due is:

```
FV = P * [(1 + r/n)^(n/m) - 1] / [r/n] * (1 + r/n)^(nt) * (1 + r/n)
```

Where the variables have the same meanings as in the general annuity formula, with the additional factor of **(1 + r/n)** accounting for the extra compounding period due to payments being made at the start of each period.

## Future Value of Ordinary Annuity

The future value of an ordinary annuity calculates the total value of a series of payments made at the end of each period. This is the most common type of annuity, where payments are made after each period, such as monthly or yearly contributions to a retirement fund.

In an ordinary annuity, each payment earns interest starting from the end of the period in which it is made. Since payments are made later, the future value is generally lower than that of an annuity due, given the same conditions.

The formula for calculating the future value of an ordinary annuity is:

```
FV = P * [(1 + r/n)^(n/m) - 1] / [r/n] * (1 + r/n)^(nt)
```

This formula calculates the total future value based on payments made at the end of each period, without the additional compounding period that applies to annuities due.

## Ordinary Annuity vs. Annuity Due Formula

Understanding the difference between the formulas for an ordinary annuity and an annuity due is key to calculating the future value of your investments accurately. While both involve a series of regular payments, the timing of these payments significantly impacts the final amount accrued.

### Ordinary Annuity Formula

In an ordinary annuity, payments are made at the end of each period, which means each payment has less time to accumulate interest. The formula for the future value of an ordinary annuity is:

```
FV = P * [(1 + r/n)^(n/m) - 1] / [r/n] * (1 + r/n)^(nt)
```

### Annuity Due Formula

In an annuity due, payments are made at the beginning of each period. This allows each payment to start earning interest sooner, increasing the total future value. The formula for the future value of an annuity due is:

```
FV = P * [(1 + r/n)^(n/m) - 1] / [r/n] * (1 + r/n)^(nt) * (1 + r/n)
```

The key difference between the two formulas is the additional factor of **(1 + r/n)** in the annuity due formula. This factor accounts for the extra compounding period due to payments being made at the start of each period.

In practical terms, this means that, all else being equal, an annuity due will always have a higher future value than an ordinary annuity because each payment has more time to grow.

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