Survey Response Rate Calculator
See what share of the people you reached actually responded. Enter responses received and the number invited.
How to enter your data: This calculator has just two boxes. In the "Responses received" box, type the total number of completed surveys you got back, as a single whole number. In the "People invited" box, type the total number of people you asked. Enter one plain number in each box, with no commas, lists or extra text.
The Survey Response Rate Calculator tells you what share of the people you contacted actually filled in your survey. You enter how many completed responses you got back and how many people you invited, and it gives you the response rate as a percentage. A higher percentage means more of the people you reached took part, which usually makes your results more trustworthy.
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Where it is used
- Teachers: A teacher hands a feedback form to all 300 pupils in a year group, gets 210 back, and checks the response rate to see if the feedback fairly represents the whole year.
- Event organisers: An event organiser emails a post-event survey to 500 attendees and uses the calculator to see what percentage replied before reporting the results to sponsors.
- Small-business owners: A cafe owner leaves comment cards on 250 tables, collects 40 completed cards, and works out the response rate to judge how representative the feedback is.
Why response rate matters
A higher response rate reduces the risk of non-response bias and gives you a more representative sample. Paper surveys handed out in person routinely reach 70–90%, while cold email surveys often fall below 15%.
When should you use it?
Use this calculator after you have finished collecting a survey and want to know how many of the people you contacted actually took part. It works for any survey where you can count both the number of completed responses and the number of people you invited or handed a form to. It is helpful before you present or act on your results, because a low response rate is a warning that the answers may only reflect a small, possibly unrepresentative slice of your audience rather than everyone.
What does the result mean?
The result is a percentage. If it says 60%, then 60 out of every 100 people you invited responded. Higher is better, because it means fewer people were left out. What counts as good depends on how you reached people. Paper surveys handed out in person often reach 70 to 90 percent. Email surveys of 20 to 30 percent are usually considered solid, and cold email surveys frequently fall below 15 percent. Compare your number against similar surveys, not a single fixed target.
Mistakes to avoid
Do not mix up the two boxes. The larger number, the people you invited, goes in the second box, and the responses you received go in the first. Only count people you actually reached; if 100 emails bounced, do not include those 100 in the invited total. Count completed responses, not half-finished ones, so your figure is honest. Finally, remember a high response rate alone does not prove your sample was fair, but a very low one is a clear reason to be cautious.
How to use this calculator
- In the 'Responses received' box, type how many completed surveys you got back.
- In the 'People invited' box, type how many people you invited or handed the survey to.
- Check that the invited number is the larger of the two and that both are plain whole numbers.
- Read the response rate percentage shown as the result; the higher it is, the more of your audience took part.
Worked example
Suppose you emailed a survey to 400 customers and 120 of them filled it in. Type 120 in the "Responses received" box and 400 in the "People invited" box. The calculator divides 120 by 400 and shows a response rate of 30.0%, meaning 30 out of every 100 people you contacted responded.
Frequently asked questions
What is a good survey response rate?
It varies by channel. In-person paper surveys of 70% or more are common; email surveys of 20–30% are considered solid.
What do I type in each box?
In the first box, type how many completed surveys you received. In the second box, type how many people you invited or handed a form to. Both should be plain whole numbers.
Where do I get these numbers?
The responses received is simply how many surveys came back. The people invited is how many you sent it to, handed it out to, or asked in person. Your mailing list, attendee list, or the number of forms you printed can give you the invited total.
What does the percentage result mean?
It is the share of invited people who responded. For example, 45% means 45 out of every 100 people you contacted took part. The rest did not respond.
What is a good survey response rate?
It depends on how you collected it. In-person paper surveys of 70% or more are common, while email surveys of 20 to 30 percent are generally seen as solid. Cold email surveys are often below 15 percent.
Is response rate the same as completion rate?
No. Response rate is the share of invited people who took part. Completion rate is the share of people who started the survey and reached the end. They answer different questions.
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