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Swim SWOLF Score Calculator

Work out swim swolf score instantly with clear inputs, formula shown and shareable results.

About Swim SWOLF Score Calculator

SWOLF adds strokes and seconds for a length, so a lower score means you covered the distance with less of both. 18 strokes in 32 seconds gives 50 in a 25 m pool, with 1.39 m per stroke. Because it penalises both thrashing and drifting, it captures efficiency in a way that neither time nor stroke count does alone.

Formulas

SWOLF

SWOLF = strokes + seconds for the length

Distance per stroke

DPS = pool length / strokes

Worked example

With the default values below, Swim SWOLF Score Calculator returns SWOLF Score of 50. Change any input above and every figure here is recalculated in your browser.

Inputs used

Strokes taken for the lengthminimum 1
18
Time for the lengthminimum 0.1 s
32 s
Pool lengthminimum 1 m
25 m

Results

SWOLF Score
50
Distance Per Stroke
1.389 m
Pace Per 100 Metres
2:08
Efficiency Assessment
Average

Step by step

  1. 1Values used
  2. 2SWOLF
  3. 3Distance per stroke
  4. 4SWOLF Score= 50
  5. 5Distance Per Stroke= 1.389 m
  6. 6Pace Per 100 Metres= 2:08
  7. 7Efficiency Assessment= Average

Assumptions and limits

  • The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 3 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
  • This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.
  • This is an estimate for general information and not professional medical advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

This is an estimate from population-average equations, not a medical or diagnostic assessment. Individual results vary with genetics, training history and technique. Seek advice from a qualified coach or clinician before making significant changes to training.

Frequently Asked Questions

Are SWOLF scores comparable between pool lengths?

No. A 50 m pool roughly doubles the score, so only compare like with like.

Can I game SWOLF by gliding?

Only up to a point. Long glides cut strokes but add seconds, so the sum settles near your genuine efficiency.

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