Stats Calculator Online
Text Counters Calculators
Character and word counting with frequency tables. Free tools on Stats Calculator Online with formulas, how-to steps, similar calculator widgets, tidbits, and exportable reports.
- Character Counter CalculatorCount characters, words, lines, and character frequency
- Word Counter CalculatorCount words and show top word densities
Tidbits from Stats Calculator Online
Everyday math
Percent change ≠ percent of
Percent of is part÷whole. Percent change uses the starting value in the denominator—and +50% then −50% does not return to start.
Percentage calculators →Quick tip
Sample vs population SD
Use n−1 (sample) when your data are a subset of a larger group; use n when you truly have the whole population.
Open SD calculator →Tidbit
A p-value is not the probability H₀ is true
It is the probability of data at least as extreme as yours if H₀ were true. Pair it with an effect size and confidence interval.
P-value calculator →
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