Online Max and Min Tool
Paste a number list to find its minimum, maximum and range, including decimals and negative values. Processing takes place locally in your browser.
Start using
What Online Max and Min Tool does
Calculate minimum, maximum, and range of a list of numbers
Worked example
Input
12, -4, 19, 7, 7.5
Result
Minimum -4; maximum 19; range 23
Calculation rule
The list is parsed as numbers, scanned once for its smallest and largest values, and the range is maximum minus minimum.
Practical uses
- Check a small calculation before applying the same rule to a longer list.
- Prepare normalized numeric data for a spreadsheet, report or test fixture.
- Compare the copied result with the displayed input count and options.
Limits and review checks
- Confirm decimal separators, signs, leading zeros and inclusive boundaries before relying on the output.
- Very large lists or exhaustive permutations can consume substantial browser memory.
- Floating-point decimals and rounded shares may differ by a final displayed unit; review the shown precision.
Frequently asked questions
Are my numbers uploaded?
No. This tool performs its normal parsing and calculation in your current browser.
Why can another calculator show a different result?
Check parsing rules, rounding precision, population versus sample settings, boundary inclusion and whether duplicate values are retained.
Processing takes place locally in your browser.