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Calcimator

Ad Spend Optimizer Calculator

Optimize ad budget allocation across Facebook, Instagram, TikTok, and Google based on each platform's ROAS.

Inputs

$

Results

Expected Total Return

$15,326.00

≈ 8 gaming PCs

Weighted ROAS

3.07x

Facebook Budget$1,304.00
Instagram Budget$1,087.00
TikTok Budget$870.00
Google Budget$1,739.00
How to Use This Calculator
  1. Enter your total monthly advertising budget.
  2. Input the ROAS (return on ad spend) for Facebook, Instagram, TikTok, and Google Ads.
  3. The calculator allocates your budget across the four platforms proportionally, giving more budget to higher-ROAS platforms.
  4. Review the Facebook, Instagram, TikTok, and Google Budget outputs to see the recommended spend per platform.
  5. Check the Expected Total Return and Weighted ROAS to see the projected payoff of this allocation.

How the result changes with Total Monthly Budget

Total Monthly BudgetExpected Total ReturnWeighted ROAS
$1,000,090.00$3,065,493.003.07x
$3,500,065.00$10,728,460.003.07x
$6,500,035.00$19,924,021.003.07x
$9,000,010.00$27,586,987.003.07x

What each input means

Total Monthly Budget
Total monthly advertising budget to allocate across platforms
Facebook ROAS
Facebook return on ad spend (e.g., 3 = $3 revenue per $1 spent)
Instagram ROAS
Instagram return on ad spend
TikTok ROAS
TikTok return on ad spend
Google Ads ROAS
Google Ads return on ad spend

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total Monthly Budget = 5000, Facebook ROAS = 3, Instagram ROAS = 2.5, TikTok ROAS = 2 = 5 input(s) provided
  2. Calculate Expected Total Return
    Expected Total Return
    15326 = $15,326
  3. Calculate Weighted ROAS
    Weighted ROAS
    3.07 = 3.07
  4. Calculate Facebook Budget
    Facebook Budget
    1304 = $1,304
  5. Calculate Instagram Budget
    Instagram Budget
    1087 = $1,087

Engine last updated .

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