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Conversion Tips

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    How to Use the Swim Time Converter

    The Swim Time Converter helps competitive swimmers and coaches compare times across different pool types: Short Course Yards (SCY, 25 yards), Short Course Meters (SCM, 25 meters), and Long Course Meters (LCM, 50 meters).

    Converting Times

    Enter the distance, swim time, stroke type, input pool type, and desired output pool type. The calculator provides the converted time and pace per 100 yards/meters.

    Example: 100m Freestyle in SCM, 1:00 → SCY ≈ 53.56 sec, LCM ≈ 1:03.84 sec.

    Stroke and Pool Selection

    Select the stroke type for accurate conversion factors. Ensure input and output pool types differ for meaningful results.

    Compare your times across pool types to set realistic goals. Learn more about swim performance with USA Swimming’s Tips for Pacing and Technique.

    Swim Time Conversion Formulas

    Understand the math behind swim time conversions:

    Conversion Factors

    Times are adjusted using stroke-specific conversion factors based on USA Swimming and FINA standards:

    • Freestyle: SCM to SCY (×0.8927), LCM to SCM (×1.064)
    • Backstroke: SCM to SCY (×0.8962), LCM to SCM (×1.072)
    • Breaststroke: SCM to SCY (×0.9116), LCM to SCM (×1.091)
    • Butterfly: SCM to SCY (×0.9047), LCM to SCM (×1.077)
    • IM: SCM to SCY (×0.9007), LCM to SCM (×1.073)

    Pace Calculation

    Pace (sec/100) = Converted Time × (100 ÷ Distance)

    Calculates pace per 100 yards/meters for the converted time.

    Unit Conversions

    1 meter = 1.094 yards
    1 yard = 0.914 meters

    Used for distance normalization in conversions.

    Frequently Asked Questions

    Why convert times between SCY, SCM, and LCM?
    Different pool lengths affect swim times due to turn frequency and pool conditions. Conversion allows fair comparison across meets.
    Are conversion factors the same for all strokes?
    No, each stroke has unique factors due to differences in turn efficiency and stroke mechanics.
    How accurate are time conversions?
    Conversions use standard factors but may vary slightly due to individual technique, turns, and pool conditions.
    Can I convert times for any distance?
    Yes, the calculator works for any distance, but standard distances (e.g., 50, 100, 200) are most common.
    Do conversions account for open water swimming?
    No, this calculator is for pool swimming (SCY, SCM, LCM). Open water times vary due to currents and lack of turns.