Reconcile 3–20 accepted club-speed readings from one completed source record. Reproduce the mean and range, convert units, and compare an independent mean.
A quick decision brief for this specific tool
One de-identified completed club-speed record and basis; named exact club/configuration, device/method, accepted-swing and independent-summary sources; selected mph, km/h or m/s unit; 3–20 accepted readings; and an independent same-sample arithmetic mean
Preserved provenance, accepted count and sum, minimum, maximum, range, reproduced mean in the recorded unit plus transparent mph/km/h/m/s conversions, independent mean, and signed same-sample difference
Validate every copied reading and source field, reproduce descriptive arithmetic for the already accepted sample, convert the reproduced mean with NIST factors, then compare the separately prepared mean for the identical record
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Reproduce descriptive club-speed statistics for one completed, source-labelled accepted-swing sample and compare a separately prepared same-sample mean without predicting ball flight or making fitting, training, safety or play decisions.
Catch a copied speed, unit or arithmetic mismatch without turning a club-speed number into a promised carry distance.
Name the exact driver/configuration, device/method, accepted-swing source and independent summary, then copy the accepted readings in their recorded unit.
Sees count, mean, range, transparent unit conversions and a signed same-sample difference while ball flight and equipment decisions remain outside the arithmetic.
Keep unlike devices, reference points, clubs and session conditions from being silently pooled.
Run each compatible completed record separately, trigger a malformed-token error, recover with the source-owned sample and save only the reviewed reconciliation.
Can distinguish arithmetic agreement from device validity, sample representativeness, longitudinal improvement and safe training progression.
Verify the mean reported for one accepted sample without using a fixed smash factor or universal shaft-flex threshold.
Preserve the exact club/setup and method, compare the reproduced mean with the independent same-sample value, and export the evidence boundary.
Finds arithmetic discrepancies while fitting, strike, launch, carry and configuration recommendations remain with the full session evidence and qualified process.
Outputs and checklists are planning aids. Review the linked current authorities and the records, terms, instructions, and requirements that apply to your exact situation before a consequential decision.
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Club-speed definitions and reference points can differ by device. Keep the exact completed session, club/setup, measurement basis, unit and source-owned inclusion policy attached to every copied reading; do not pool unlike records.
Record = exact club/configuration + device/method + unit + pre-existing accepted-swing policyValidate 3–20 positive readings without silently dropping tokens. Report the count, sum, minimum, maximum, range and arithmetic mean for this accepted sample only; the worksheet does not decide which swings belong in it.
Mean = sum of accepted readings ÷ count; range = maximum − minimumUse NIST speed conversions to display the same reproduced mean in three units, then compare a separately prepared mean for the identical sample. Unit conversion preserves magnitude but cannot make unlike devices, methods, clubs or sessions comparable.
mph × 0.44704 = m/s; mph × 1.609344 = km/h; difference = reproduced mean − independent meanUpdated: August 2026
A completed export contains accepted readings of 102, 104, 103, 105 and 101 mph. The worksheet reproduces a 103 mph mean, a 4 mph range and a zero difference from the independent same-sample summary.
A source-owned speed session is recorded in km/h or m/s. The worksheet keeps that unit for the arithmetic comparison and shows transparent converted means without changing the underlying device record.
Two sessions use different devices, club configurations or reference points. Reconcile each completed sample separately and route cross-method interpretation to the original records and qualified review instead of pooling the readings.
This worksheet reproduces one completed, source-labelled club-speed sample for one exact club/configuration and device/method. It validates every accepted reading, reports descriptive same-sample arithmetic, converts the reproduced mean among mph, km/h and m/s, and compares an independently prepared mean. It does not predict ball speed, smash factor, carry or total distance, validate a device, fit equipment, prescribe training, assess injury risk, or advise play.