Installed cost
Include the string, labor, and fees you actually pay.
Turn job price and playable hours into a clear cost per hour, restring cadence, and 12-month budget—using your own numbers.
Free browser calculator · Inputs stay on this page · Editable example values

Annual string cost depends on the installed price per job, how long the setup remains playable for you, and how often you play. Enter your numbers below to estimate cost per playing hour, restring cadence, and a 12-month budget.
Use your installed job cost and personal playing pattern. The chart is a planning estimate—not a price benchmark or replacement rule.
The forecast is only as useful as the three numbers behind it.
Include the string, labor, and fees you actually pay.
Use the hours until the setup leaves your acceptable range—not time until breakage.
Use a realistic average across training, matches, and breaks.
Need a better playable-life input? The tennis string lifespan by hours guide shows how to track a personal endpoint across string types.
installed cost ÷ playable hours
playable hours ÷ weekly hours
cost per hour × weekly hours × weeks in the forecast
No market prices or universal string lifespans are supplied. The example values are editable planning inputs. The forecast converts months to weeks using 52 weeks per 12 months and shows smooth job equivalents; real purchases happen in whole string jobs.
Capture the real installed cost each time you restring.
Record hours played and tension so your averages stay accurate.
Use your history to refine playable life, weekly hours, and future forecasts.
Log the installed price, stringing date, setup, and playing hours for each job. Use the same playable-life endpoint each time so your averages become more useful.
Divide the installed string-job cost by the number of hours the setup remains playable for you. A $45 job used for 14 hours is $3.21 per playing hour. The dollar values are editable examples, not market-price claims.
Include the string, stringing labor, and any taxes or fees that are part of the amount you actually pay. If you string at home, use the string consumed plus any other costs you want the comparison to reflect.
Use your own playing hours and playable-life endpoint. Divide playable hours per job by tennis hours per week to estimate the interval. There is no universal schedule because string, racquet, conditions, wear, and player preferences differ.
Yes. The calculator runs in your browser. Input values are not submitted, saved, or added to analytics.
Yes. String Tension AI can record restringing costs, track annual budget information, log playing time, and connect those records to each racquet. Advanced cost analytics are available with PRO.
Track costs, playing time, tension trends, and every restring across your racquets.
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