Free tools · Receptionist coverage calculator
How many calls can a receptionist handle?
One receptionist can handle far fewer calls per hour than 60 divided by the call length, because calls arrive in bunches. With two-minute calls and no queue, one person can take only about three calls an hour before more than one caller in ten finds the line busy; two people can take about eighteen. Longer calls and other desk work cut those numbers further.
The table below is pure arithmetic from the Erlang B formula. The calculator works it out for your own peak hour, call length and other desk work, and shows how many calls arrive when nobody is rostered.
By Vocora team · Published 18 October 2026
Calls per hour one or two people can take
| Minutes per call | 1 person, ≤5% busy | 1 person, ≤10% busy | 2 people, ≤5% busy | 2 people, ≤10% busy |
|---|---|---|---|---|
| 2 | 1.6 | 3.3 | 11.4 | 17.9 |
| 3 | 1.1 | 2.2 | 7.6 | 11.9 |
| 5 | 0.6 | 1.3 | 4.6 | 7.1 |
Calls per hour, no queue (callers who find the line busy are not held). Erlang B arithmetic; no other desk work included.
Receptionist coverage calculator
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Receptionist and call coverage calculator
Use figures from your own records. Everything runs in your browser; nothing you type is sent or stored.
After-hours gap (optional)
Fill in the busiest-hour calls, minutes per call and your target to see the result.
Erlang B formula: it assumes calls arrive at random within the hour. Real peaks are lumpier, so treat the answer as a minimum.
How to use it
- Pick your busiest hour. From your call log, count calls in the busiest hour of a normal week.
- Time a typical call. Average minutes per call, including any note-taking right after.
- Choose queue or no queue. Mobile and simple landlines give callers a busy tone (no queue); an IVR or cloud number can hold callers in a queue.
- Set your target. No queue: the largest share of callers you accept finding the line busy. Queue: the share to answer within a number of seconds.
- Add other desk work. Minutes in that hour spent on walk-ins, billing or check-ins, and the share of daily calls that arrive outside staffed hours.
Method
- Traffic (erlangs) = calls in the peak hour × average minutes per call ÷ 60.
- No queue: the Erlang B formula gives the share of callers who find every line busy for a given number of people.
- Queue: the Erlang C formula gives the chance a caller waits and the share answered within your target seconds.
- Headcount = the larger of people needed for the phone target and (answered calls + other desk work) ÷ 0.85. The 0.85 cap on how busy one person should be is our planning assumption, not a rule.
Limits
- The formulas assume calls arrive at random; a campaign or a school-gate rush can bunch them more.
- No-queue figures treat a busy caller as lost; in practice some ring back.
- Call-waiting and forwarding change the picture: a forwarded call is not lost.
By industry
Each page pre-fills the tool with a labelled example for that industry and answers its own questions.
- How many receptionists per doctor? (Healthcare Clinics)
- Do hotels have receptionists 24/7? (Hotels & Homestays)
- Do hair salons have receptionists? (Salon, Spa & Beauty)
- Do gyms have receptionists? (Gyms & Fitness)
- Do car dealerships have receptionists? (Auto Dealers & Service)
- Do law firms have receptionists? (CA, Legal & Consultants)
- Do real estate offices have receptionists? (Real Estate)
- Do restaurants have receptionists? (Restaurants & Cloud Kitchen)
- Do schools have receptionists? (Schools & Tuition)
FAQ
Is 40 calls a day a lot for a receptionist?
Spread across a day, 40 short calls is manageable for one person. The problem is the peak hour: if ten of them land in the same hour alongside walk-ins, callers will hit a busy line. Use the calculator with your busiest hour.
How many calls per hour can one receptionist answer?
With no queue and accepting one caller in ten finding the line busy, about three two-minute calls an hour, or just over one five-minute call. See the table above for other call lengths.
How to handle phone calls with a receptionist?
Answer with the business name, find out what the caller needs, and either resolve it, book it or take a clear message with a callback time. Forward calls when the desk is busy so they are not lost.
What is Erlang B?
A formula from telephone engineering that gives the share of callers who find all lines busy when there is no queue, for a given call volume and number of lines or people.