Gym PT vs Home Training Calculator

Gym PT vs Home Training Calculator helps Compare two everyday planning options using upfront cost, recurring cost, and time horizon assumptions.

Annual gym cost
₩6,245,040
Annual home cost
₩1,386,672
Home initial investment
₩1,100,000
Monthly difference
₩404,864

Gym monthly cost

₩520,420

Home monthly cost

₩115,556

Cheaper option

Home training

78% gap

Break-even

3 months

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Gym PT vs home training calculator guide

This English page translates the Korean gym PT versus home-training calculator and calls calculateGymVsHome, calculateMonthlyCostComparison, calculateCumulativeCost, and calculateBreakeven. It keeps the WEEKS_PER_MONTH = 4.345 conversion and compares actual monthly, annual, cumulative, and break-even costs instead of a simple percentage stub.

Gym and PT cost model

The Korean calculator builds the gym side from monthly membership, PT session cost, PT sessions per week, transport cost per trip, workouts per week, supplements, gear, and locker fee. PT and transport are weekly inputs, so the model multiplies them by 4.345 weeks per month.

This matters because a KRW 65,000 PT session once per week is not KRW 260,000 exactly every month in the source model. It is rounded after applying the 4.345 monthly-week conversion, then combined with the recurring membership and extras.

Home-training investment and depreciation

The home side separates initial equipment cost, space cost, equipment lifespan, app subscription, supplements, and gear. Equipment and space are depreciated over the chosen lifespan, while app, supplements, and gear are treated as monthly operating cost.

For cumulative comparison the source library includes the full home initial investment in month one, then adds only operating cost afterward. That is why home training can look expensive upfront but become cheaper after the break-even month.

How to read the result

The monthly comparison reports gym total, home total, difference, savings percent, and cheaper option. The annual comparison multiplies those monthly totals by 12, and the cumulative table tracks the total month by month across the selected comparison period.

Financial cost is not the only decision factor. PT feedback, equipment safety, commute time, motivation, space constraints, injury risk, and consistency should be considered after the calculator identifies the cost break-even point.