Average Calculator API

Descriptive statistics for a list of numbers: mean, median, mode, min, max, range, geometric and harmonic means, variance, standard deviation and quartiles.

POST /api/v1/tools/average-calculatorMCP average_calculatorCalculators

Paste a list of numbers to get the mean, median, mode, range, standard deviation, variance, quartiles, and geometric and harmonic means at once.

Input

Send these as a JSON object. Unknown fields are rejected.

numbers: The numbers, separated by spaces, new lines, commas, semicolons or pipes (up to 100,000 values), e.g. "4, 8, 15, 16, 23, 42". (string, required)
quartileMethod: inclusive: linear interpolation (Excel QUARTILE.INC, Google Sheets, R default). halves: median of the lower and upper halves (TI-84, many textbooks). (string, one of inclusive, halves, default "inclusive")
includeSorted: Include the sorted values in the response. (boolean, default false)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/average-calculator \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"numbers":"4, 8, 15, 16, 23, 42"}'

Example response

{
  "ok": true,
  "result": {
    "count": 6,
    "sum": 108,
    "mean": 18,
    "median": 15.5,
    "modes": [],
    "modeCount": 1,
    "min": 4,
    "max": 42,
    "range": 38,
    "geometricMean": 13.9654968462316,
    "harmonicMean": 10.4995244780581,
    "populationVariance": 151.666666666667,
    "populationStdDev": 12.3153021346074,
    "sampleVariance": 182,
    "sampleStdDev": 13.490737563232,
    "q1": 9.75,
    "q3": 21.25,
    "iqr": 11.5,
    "summary": "Count 6, sum 108, mean 18, median 15.5, no mode"
  }
}