Weighting Calculator
Calculate post-stratification weights to adjust your survey sample to match population proportions. See the weight for each stratum and overall weighting efficiency.
Inputs
Results
Stratum 1 Weight
1.28
How to Use This Calculator
- Enter the unweighted sample proportions for each demographic stratum.
- Input the population proportions for the same strata from census or administrative data.
- Review the Post-Stratification Weights calculated for each group.
- Apply the weights to your survey responses in your analysis software.
- Check the Design Effect output to understand how weighting increases effective variance.
Related Calculators
Quota Sampling Calculator
Calculate the number of survey responses needed from each population stratum using proportional quota sampling. Ensures your sample mirrors the population composition.
Margin of Error Calculator
Calculate the margin of error for your survey results based on sample size, confidence level, population size, and expected proportion.
Sampling Frame Calculator
Calculate the design effect and effective sample size for cluster sampling designs. Understand how intraclass correlation and cluster size reduce your statistical power.
Survey Response Rate Calculator
Determine how many survey invitations you need to send to achieve your target number of completed responses, accounting for response and completion rates.