Savings Calculator.

Quickly Calculate Annual Compound Interest

On Lump Sum and/or Regular Deposits Into a High Yield Savings Account

Your Initial Deposit

Enter "0" for initial savings if there is no initial deposit.
Initial Savings:
Length of Investment:
Begin Investment:
Annual Interest Rate (APR %):

Deposits/Withdrawals

Select "never" on frequency if no recurring transactions are made.
Transaction Frequency:
Deposit Each Cycle:
Withdrawal Each Cycle:

Income Taxes & Inflation

Enter "0" in fields if you do not wish to adjust results.
State & Federal Tax Rate:
Annual Inflation (%):

Here Are Your Results
Total Amount Deposited:
Total Amount Withdrawn:
Interest Earned:
Savings Before Taxes:
Personal Income Tax:
Savings After Income Tax:
Spending Power of Your Savings:
Annual Percentage Yield (APY %):

How To Use This Annual Compound Savings Calculator

The Basics

Use this calculator to quickly figure out how much money you will have saved up during a set investment period. First, enter your initial amount you have set aside, then enter the interest rate along with how many years you intend to invest for.

Next enter how much money you intend to deposit or withdrawal during each biweekly period. If this calculation is for a lump sum deposit with no recurring transactions enter "Never" in the "add money" drop down.

Once you have entered this information the calculator will inform you of how much money you will have saved up before income taxes, how much income tax you'll owe & what the remaining amount of money is worth in real terms after accounting for inflation.

Calculations update automatically when any input is changed. If you have a particular savings goal you want to reach by a specific date then please use our savings goal calculators.

If you would like to print out a schedule of your savings growth over time, please click on the "Create Growth Table" button to generate a printable schedule of your payment history, accumulated interest & balance.

Calculation Mechanics

How Interest is Compounded

Our calculator compounds interest each time money is added. If the account has a lump-sum initial deposit & does not have any periodic deposit, by default interest is compounded anually. Most bank savings accounts use a daily average balance to compound interest daily and then add the amount to the account's balance monthly.

If you would like to change the compounding frequency for a one-time deposit then set the "deposit each cycle" & "withdrawal each cycle" variables to $0 and select "transaction frequency" at whatever frequency you wish to compound interest.

When Contributions Are Made

In the above calculator when recurring account contributions are made, money is added or subtracted at the beginning of each year. If you would like to end money at the end of each year then you would subtract the regular contribution amount from the initial savings to calculate interest at the end of the week.

How Income Taxes Are Accounted For

This calculator estimates taxes based on the rate entered with the tax payment made at the end of the investment period. This approach is how tax payments would work on savings stored inside a tax deferred retirement account.

Ordinary interest on a regular bank savings account is typically paid for on an annual basis, with banks sending account holders a 1099-INT if they earn above some baseline level of around $10. If your account is untaxed then enter zero as the marginal tax rate in the above calculator.

How Inflation is Accounted For

After taxes are deducted from interest earnings & final savings are calculated, inflation is accounted for by multiplying the final amount by (100% - inflation rate)years

Earning Interest.

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I very frequently get the question:

'What's going to change in the next 10 years?' And that is a very interesting question; it's a very common one. I almost never get the question: 'What's not going to change in the next 10 years?' And I submit to you that that second question is actually the more important of the two — because you can build a business strategy around the things that are stable in time. … [I]n our retail business, we know that customers want low prices, and I know that's going to be true 10 years from now. They want fast delivery; they want vast selection. It's impossible to imagine a future 10 years from now where a customer comes up and says, 'Jeff I love Amazon; I just wish the prices were a little higher,' [or] 'I love Amazon; I just wish you'd deliver a little more slowly.' Impossible. And so the effort we put into those things, spinning those things up, we know the energy we put into it today will still be paying off dividends for our customers 10 years from now. When you have something that you know is true, even over the long term, you can afford to put a lot of energy into it." - Jeff Bezos

100%

Risk guarantee

  • Every investment you make comes with a substantial risk of loss of principal or purchasing power. The safest investment you can make is investing in yourself.
    If you let others manage your investments, the single biggest factor you can control is your investment-related expenses, as they have a big impact on compounding.
 
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Imagine you have $100,000 invested. If the account earned 6% a year for the next 25 years and had no costs or fees, you'd end up with about $430,000.

If, on the other hand, you paid 2% a year in costs, after 25 years you'd only have about $260,000.

That's right: The 2% you paid every year would wipe out almost 40% of your final account value. 2% doesn't sound so small anymore, does it? - Vanguard