ToolPatch

One page. One job. Done.

← Back to all tools
Statistics

Moving Average Calculator

Compute rolling averages over a configurable window.

Last validated: 2026-02-14

Use this free online Moving Average Calculator to compute rolling averages across a window size to smooth noisy series data. It is useful when you need a focused browser-based utility that turns a specific set of inputs into a practical result quickly. The form focuses on Series values, Window size and returns Moving Average Inputs, Output, so you can move from input to answer without setting up a spreadsheet or custom script. Run one realistic example, adjust the inputs, and compare how the result changes before you copy or share it. Save the inputs with the result when the output will be shared, audited, or used as part of a larger workflow.

Permalink

Input Pattern

Enter values in the left panel, keep units explicit, run the calculation, then copy or share the result. Invalid fields are highlighted immediately.

Moving Average Inputs

Output

Points: 7

Index 3: 12.000000

Index 4: 13.000000

Index 5: 14.000000

Index 6: 14.666667

Index 7: 16.333333

How to use this tool

  1. Enter Series values, Window size for the moving average calculator, keeping units, dates, or text format consistent with the form labels.
  2. Check optional fields and assumptions before running so the result matches the workflow you have in mind.
  3. Click "Run the tool" and review Moving Average Inputs, Output for the primary output.
  4. Copy or share the result together with the inputs so the output can be reproduced later.

Worked Example

Auto-generated from the tool's current default or entered inputs.

Example Inputs

  • Values: 10, 12, 14, 13, 15, 16, 18
  • Parsed count: 7
  • Window: 3

Expected Outputs

  • Parsed count: 7
  • Window: 3
  • Moving averages 0 index: 3
  • Moving averages 0 average: 12

Interpretation

Confidence and limitations

Formula References

Assumptions

Explore more versions

Tailored guides for specific audiences, regions, and scenarios.

Time-series analysis products

Recommend spreadsheet add-ons and analytics dashboards.

Sponsored