ARR Calculator & How to calculate ARR

ARR (annual recurring revenue) is a key calculation that estimates expected revenue from new and existing subscription-based services or products over a 12-month period. The formula for ARR takes consistent revenue inflows and outflows into account and can be used to forecast future growth.

ARR Calculator

Carta’s free ARR calculator automatically calculates ARR and MRR (monthly recurring revenue) for your company based on:

  • Revenue from existing annual subscriptions
  • New revenue from new annual customers
  • Revenue from upgrades and add-ons
  • Lost revenue from downgrades
  • Lost revenue from customer churn
    Download the ARR calculator to get started.

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DISCLAIMER: This tool is provided for your informational purposes only by eShares, Inc. dba Carta, Inc. (“Carta”). Carta does not provide legal, tax, or financial advice, and the use of this resource is not a substitute for such professional advice or services nor should it be used as a basis for any decision or action that may affect your business or interests. USE OF THIS TOOL IS ENTIRELY AT YOUR OWN RISK, AND CARTA ASSUMES NO LIABILITY FOR THE USE OF OR RELIANCE ON THIS TOOL. Carta provides no assurances of this tool’s applicability or accuracy with respect to your particular circumstances. This tool is provided “as is” without warranty of any kind, either express, implied, or statutory, including without limitation, warranties of merchantability, fitness for a particular purpose, satisfactory purpose, title or noninfringement. Some jurisdictions do not allow the exclusion of implied warranties, so these exclusions may not apply to you.