What you provide
What you provide
- First quartile, using the same scenario as the other inputs
- Third quartile, using the same scenario as the other inputs
MATH / DESCRIPTIVE STATISTICS
Interquartile Range Calculator
Calculate interquartile range and conventional inner outlier fences. Inspect the equation, substituted values, result, assumptions, and interpretation in one guided workspace.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate interquartile range and conventional inner outlier fences. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
IQR=Q3-Q1
What you receive
What you receive
- Interquartile range in units from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Quartiles use one stated convention and the third quartile is not below the first.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors