Sum of Linear Sequence Calculator

Calculate the sum of an arithmetic sequence using the standard formula.

Last updated: June 2026 | By Patchworkr Team

First term

Difference

Terms

Calculation steps

Use the arithmetic series sum formula.

Substitute the first term, common difference, and number of terms.

Evaluate the expression to get the total sum.

Total sum

100

What Is An Arithmetic Sequence?

An arithmetic sequence changes by the same difference each time.

The arithmetic series formula S_n = n/2 [2a_1 + (n-1)d] is used.

Yes. The number of terms must be a positive integer.

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