Free Market Research Tools and Calculators
21 free tools for planning and analysing research, from a feasibility checker built on twelve proprietary panels to sample size, significance, NPS and pricing calculators. Every tool shows its formula, saves your inputs in a shareable link and exports results.
FreeNo sign-up21 toolsFormulas shown
New · Feasibility Checker
Can you get the completes?
Pick any of twelve audiences, target them with multi-select filters, add markets and see reach, invitations and achievable completes in 198 countries. Download a branded PDF report.
Check feasibilityQuestionnaire and fieldwork planning
PopularFeasibility CheckerPick an audience, target it with multi-select filters, add markets and see reach, invitations and achievable completes per country, with a branded PDF report.Open Survey Length (LOI) CalculatorEstimate questionnaire length in minutes from your question mix, device split and translation, with editable timing assumptions.Open Incidence Rate CalculatorIncidence from screener results or from several qualifying criteria combined, with a confidence range and screening needs.Open Focus Group & IDI Sample PlannerGroups or interviews per market and segment, recruits with over-recruitment, moderator days and a saturation check against research evidence.Open Survey Response Rate CalculatorAAPOR response, cooperation, refusal and contact rates, or online panel participation, incidence, completion and drop-out rates.Open Speeder & Data Quality CalculatorSpeeder cut-offs from completion times, flag rates, and how much extra sample to field to cover all quality removals.Open
Sampling and precision
PopularSample Size CalculatorHow many completes you need for a target margin of error, with population size, design effect, subgroups and invitations.Open PopularMargin of Error CalculatorThe ± range around a survey result, for the total sample and subgroups, with weighting and small-population corrections.Open Confidence Interval CalculatorConfidence intervals for a percentage (five methods side by side) or an average, from summary figures or raw data.Open Sample Allocation CalculatorSplit a sample across countries or segments (proportional, equal, square-root, Neyman) and see each cell's precision and the weighting cost.Open Weighting Efficiency CalculatorCell weights, rim weighting (raking), Kish design effect, weighting efficiency and effective sample size, with weight trimming.Open
Testing differences
PopularStatistical Significance CalculatorIs the difference real? Compare two percentages, two averages or one result against a benchmark, with p-values and effect sizes.Open A/B Test & Power CalculatorSample size per cell, minimum detectable difference or power for concept tests, ad tests, monadic designs and tracking waves.Open Chi-Square Test CalculatorTest a whole crosstab at once: chi-square, p-value, Cramér's V, expected counts and the cells that drive the difference.Open Correlation CalculatorPearson and Spearman correlations with p-values, confidence intervals and a scatter plot, or the sample needed to detect a correlation.Open
Customer experience metrics
PopularNPS CalculatorNet Promoter Score from counts, percentages or raw 0–10 scores, with its margin of error and a significance test between two scores.Open CSAT & Likert Scale CalculatorCSAT, top-box, top-2-box, net scores, means and confidence intervals for any 5, 7, 10 or 11-point rating scale.Open
Advanced analytics planning
MaxDiff & Conjoint Design CalculatorDesign checks and minimum sample for MaxDiff and choice-based conjoint: sets, exposures, design space and Orme's rule.Open Van Westendorp Price CalculatorPaste the four price answers to get the acceptable price range, optimal and indifference price points, with the classic curves.Open Cronbach's Alpha CalculatorScale reliability: Cronbach's alpha with confidence interval, alpha if item deleted, item-total correlations and reverse coding.Open TAM SAM SOM Market Size CalculatorTotal, serviceable and obtainable market by country or segment, bottom-up or top-down, with growth projections.Open
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Looking for panel data?
See how many consumers, B2B professionals, physicians, nurses, patients and other audiences Global Vox Populi reaches in each country.
Panel statistics