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Custom calculators for data-driven professionals

Need a specialized calculator? Request custom calculators tailored to your specific business needs for a small fee.

Quick, easy, and painless

Say goodbye to spreadsheets. With a custom calculator built and hosted by Protoolio, you'll have a permanent place to calculate whatever you need.

$15 Per Variable

Variables are numbers used in your formula. (Example: 32/100 would be 2 variables or $30.)

Make a request

1. Request

Fill out a quick form with details about your calculator and the business need.

2. Wait

Calculators take between 1-3 business days to build, depending on the complexity.

3. Pay

Once the calculator has been built, you'll be notified to make your payment. We'll also send you a preview of your calculator.

4. Enjoy

Once your payment is received, we'll deploy the calculator on our site for you to enjoy.

Frequently Asked

Thinking about requesting a calculator? Here are the answers to some questions you may have.

After payment, the calculator will be hosted on our website free of charge. You'll be able to access the calculator at any time; however, the calculator will be owned by us and accessible to the public. Your information or identity will not be made public.

You can request an unlimited number of variables for a calculator. The more variables that are requested, the longer it will take to build the calculator.

Calculators typically take between 1-3 business days to build. Complex calculators may take a little longer. Build times may also be affected by demand.

Yes! After building the calculator and before requesting payment, we'll send you a preview of the calculator to verify accuracy.

Unfortunately, we don't process refunds at the moment and all sales are final.

Financial Statement Bundle

Download our financial statement bundle with customizable templates for income statements, balance sheets, and cash flow statements.