Calculate the ROI of an AI voice agent in three numbers
You don't need a twelve-tab spreadsheet. Three numbers tell you whether an AI voice agent pays off for your business — and the answer is almost always yes.
You don't pick a business tool on intuition. Here's the three-line calculation that tells you whether an AI voice agent earns more than it costs.
Number 1 — Your missed calls per month
Pull your call logs (telco, mobile, switchboard) for the last 30 days. Count the ones that weren't answered, or were picked up but hung up before any real exchange. Typical SMB range: 30 to 200 per month.
Number 2 — Your average order value
What's a typical customer worth, when they actually reach you? For a clinic, one consultation. For a restaurant, a table of four. For a real-estate agency, one commission. Put a number on it, even rough.
Number 3 — Your conversion rate
Out of inbound calls that turn into a real conversation, what share becomes a customer, a booking, a paying job? Most SMBs land between 20 and 50 %.
The calculation
- Missed calls × average order value × conversion rate = monthly loss.
- Example: 80 × $120 × 30 % = $2,880 lost every month.
- Growth voice agent: $1,490. ROI: $1,390 net gain in the very first month.
Even if you divide all numbers by three to stay conservative, the agent still pays off. The first month at VocazAI is free — measure the real ROI on your own data before paying a cent.