Unit Converter
Average Calculator
Calculate the sum and average of four values.
Formula and usage notes
average = sum of values / number of values.
Calculate the sum and average of four values.
Practical examples
12, 18, 21, and 17 average to 17.
Use weighted average when values have different importance.
Use consistent units before averaging measurements.
Frequently asked questions
What inputs does this calculator need?
Value A, Value B, Value C, Value D.
How should I round the result?
Keep extra digits while comparing values, then round for the final decision or report.
Can I reuse the result in another calculation?
Yes, but preserve the original inputs and units so the next calculation stays traceable.