basic

SWOLF Swimming Efficiency Score Calculator

SWOLF = strokes per length + seconds per length.

Calculates SWOLF (swimming efficiency score) from strokes per length and time per length. Lower is better.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

SWOLF = stroke_count + time_seconds (per length)

In depth

Calculates SWOLF (swimming efficiency score) from strokes per length and time per length. Lower is better.