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Calcimator

Tennis String Tension Calculator

Get a recommended string tension based on your racquet head size, string type, playing style, and skill level.

Inputs

Results

Recommended tension (lbs)

50.3

Recommended tension (kg)22.8
Range low (lbs)48.3
Range high (lbs)52.3
Tension loss in 24 hrs (lbs)5
Stringbed stiffness index42.8
How to Use This Calculator
  1. Enter Head size (sq in), String Type, and Natural Gut.
  2. Set Multifilament, Synthetic Gut, and Polyester.
  3. Adjust Kevlar, Playing Style as needed.
  4. Review the Recommended tension (lbs) result.
  5. Use Recommended tension (kg) and Range low (lbs) to inform your decision.
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