Source: https://adamou-financial-consulting.vercel.app/tools/compound-growth/

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# Compound growth calculator

 

Explore how regular contributions could grow over time.

  [ 
    
   Use the calculator
](https://adamou-financial-consulting.vercel.app/#tool-growth) [ 
    
   Before you begin
](https://adamou-financial-consulting.vercel.app/#prepare) [ 
    
   See an example
](https://adamou-financial-consulting.vercel.app/#worked-example)  

Private calculations in your browser. No account required.

 

Your calculator

Compound growth

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EXPLORE YOUR NUMBERS

## Compound growth

Explore how regular contributions could grow over time.

Starting balance 

(USD)

Monthly contribution 

(USD)

Assumed annual growth rate 

(%)

Time horizon 

(years)

CalculateReset example

Example values are shown. Change them to explore your situation.

How this estimate works

Each month: balance × (1 + annual rate / 1200) + contribution. Repeat for years × 12 months.

Contributions arrive at month-end. Assumes constant nonnegative growth compounded monthly; excludes fees, taxes, inflation, and withdrawals. Actual returns vary and can be negative. The example rate is not a forecast.

 

BEFORE YOU BEGIN

 

## Bring the right numbers.

 

Estimates are enough to explore. Keep every money amount in the same
        selected currency.

   
- 01

 

A starting balance and planned monthly contribution.

- 02

 

A hypothetical annual growth rate to explore.

- 03

 

A whole-number time horizon in years.

 

MAKE THE RESULT USEFUL

 

## What to look for.

 

Separate the money you contribute from hypothetical growth. Try different time horizons and rates, including zero, to see how strongly the assumption affects the result. A smooth projected balance does not describe real market fluctuations.

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Discuss your next step with Matt
](https://adamou-financial-consulting.vercel.app/contact/?goal=goals) 

Your calculator inputs are not included in your inquiry.

   

WORKED EXAMPLE · USD

 

###  Projected balance: $47,526.55 

   Starting balance  $10,000.00   Monthly contribution  $200.00   Assumed annual growth rate  5 %   Time horizon  10 years    

$34,000.00 contributed · $13,526.55 hypothetical growth. Not a guaranteed return.

 

The example matches the starting inputs. It is an illustration, not a
        recommendation.

 

TRY ANOTHER SCENARIO

 

## 
Change one thing.
  Notice the difference.

   

Try zero growth, then your chosen hypothetical rate, without changing contributions. This separates the effect of saving regularly from the effect of the growth assumption.

 [
Return to your numbers
](https://adamou-financial-consulting.vercel.app/#tool-growth) 

Changing inputs here does not send them to Matt or save them between
        visits.

 

A FEW THINGS YOU MAY BE WONDERING

 

## 
Good questions.
  Clear answers.

     When are monthly contributions added? 

  

At the end of each month, after that month’s assumed growth. A contribution therefore begins growing the following month.

   Is the displayed growth a prediction? 

  

No. The rate is a constant scenario you enter, not a forecast or guaranteed return. Actual returns vary and can be negative. This model excludes fees, taxes, inflation, and withdrawals.

 

KEEP EXPLORING

 

## Build a fuller picture.

 

Three related tools for your next question.

  [
View all tools
](https://adamou-financial-consulting.vercel.app/tools/)   [ 

 

### Savings goal

 

Estimate how many monthly contributions reach your goal.

 ](https://adamou-financial-consulting.vercel.app/tools/savings-goal/)[ 

 

### Inflation

 

See how a steady rise in prices could change a future expense.

 ](https://adamou-financial-consulting.vercel.app/tools/inflation/)[ 

 

### Net worth

 

Put what you own and what you owe in one snapshot.

 ](https://adamou-financial-consulting.vercel.app/tools/net-worth/)