Free Research Tools
Free calculators and plain-language guides for designing, fielding, and analyzing survey research. No signup, no paywall — built by the team behind Tabular Pro.
Calculators
Interactive tools that run entirely in your browser.
Methodology guides
No-fluff explainers on the methods that matter. See the full methodology library.
How to Calculate Sample Size
Confidence levels, margin of error, and the trade-offs that decide how many responses you need.
What is Cross-Tab Analysis?
Compare responses across segments with significance testing — the workhorse of survey analysis.
What is Conjoint Analysis?
Measure how customers trade off product features and price using choice-based conjoint.
What is MaxDiff?
Best-worst scaling for ranking preferences when you have too many items to compare directly.
NPS vs CSAT
When to use each loyalty and satisfaction metric, and the common mistakes to avoid.
Survey Weighting
Cell, marginal, and rim (raking) weighting to align your sample with the population.