Free business calculator
Business Data Summary Statistics Calculator
Turn a number list into one clean page of useful summary measures.
- Instant results
- Private in your browser
- PDF report included
Use the result well
A clear answer, with the assumptions visible
These recommendations turn the result into an operational next step without hiding the inputs behind a score.
- 1
Keep every value in one unit and time period.
- 2
Read the median beside the average when the data is uneven.
- 3
Review the raw minimum and maximum before sharing the summary.
How this tool works
- Read and sort every finite value.
- Use simple-statistics for average, median, quartiles, standard deviation, and median absolute deviation.
- Show central values and spread together so one number cannot hide the shape.
Build it in Bookify
Start with Bookify Bring the findings into daily work
Keep bookings, supplies, staff, and records together in Bookify.