Marketing Research Tools | Saizen Global

Marketing Research Tools

Essential calculators for data-driven decisions

Sample Size Calculator

Estimate the number of respondents needed for reliable results based on your population.

n = (Z² × p × (1 – p)) / e²

Population Size (Leave blank if infinite)

Confidence Level

Margin of Error (%)

Determine the precision of your survey data based on the sample size collected.

MOE = Z × √(p(1 – p)/n)

Sample Size (n)

Confidence Level

Measure the smoothed annual growth rate of a business metric over a specific period.

CAGR = [(End ÷ Start) ^ (1 ÷ Years)] – 1

Beginning Value

Ending Value

Number of Years

Check if a campaign result is statistically significant compared to a benchmark.

Z = (p̂ – p₀) / √[p₀(1 – p₀)/n]

Sample Proportion (e.g. 0.25)

Benchmark Proportion (e.g. 0.20)

Sample Size (n)