Sample Size Calculator

The amount of data you receive may be overwhelming when researching. With Jotform’s sample size calculator, you can easily determine a sample group and base your surveys on population size, confidence level, and margin of error. Choose survey templates, customize it to fit your needs and analyze the results in real time.

Sample Size

Free Survey Templates

Don’t know how to start your survey? Use one of our many free templates, customize it to match your branding, and send your survey to anyone.

Event Satisfaction Survey

Student Survey

Market Research Survey

If you’re using probability sampling, there are a couple of variants you need to consider when calculating sample size.

Create Surveys and Start Analyzing Your Data

Ask questions, collect data in a variety of formats, keep track of answers , and analyze them in real time with Jotform’s sample size calculator. Build custom forms and surveys to engage users and improve form completion rates. Determine the sample size required for your study and start collecting data on any device.

Create a Survey for Free