Sample calculator

Know the number or interviews you have to conduct

We offer you a very useful tool to calculate the size of sample you require for your research project.

To understand the sample size, please complete the fields on this page and hit the calculate button.

Calculadora

SIZE OF THE UNIVERSE

The number of people that make up the population under study.

HETEROGENEITY %

It is the diversity of the universe. It is usually 50%.

MARGIN OF ERROR %

Smaller margins of error require larger samples.

CONFIDENCE LEVEL %

The larger the confidence level, the larger the sample size.

Complete the form to get the results

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