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Both calculators run independently β€” change the inputs on either side to compare results.

Swimming

Swimming Efficiency Calculator

Calculate your SWOLF score β€” the standard measure of swimming efficiency. Use it after any 50m set to benchmark technique and track improvement across training sessions.

Fill in the required fields to see your result.
Swimming

Swimming Stroke Rate Calculator

Calculates your strokes per minute (SPM) from a single pool length, helping swimmers and coaches fine-tune technique. Use it during training to find the ideal balance between stroke rate and distance per stroke.

Fill in the required fields to see your result.

Key differences

Swimming Efficiency CalculatorSwimming Stroke Rate Calculator
CategorySwimmingSwimming
Inputs required22
ResultSWOLF Score (points)Stroke Rate (strokes/minute)
What it doesCalculate your SWOLF score β€” the standard measure of swimming efficiency. Use it after any 50m set to benchmark technique and track improvement across training sessions.Calculates your strokes per minute (SPM) from a single pool length, helping swimmers and coaches fine-tune technique. Use it during training to find the ideal balance between stroke rate and distance per stroke.