Free tool
What an empty carriage costs you over a year
Enter your carriage count, class volume and average empty spots to see the annual revenue sitting in unsold reformer capacity.
Free tool, no sign up
Use hours, spring sets and inspection time in your studio
See how many hours a year each carriage runs, when spring sets fall due and what routine checks cost you in staff time.
Springs lose tension gradually, ropes fray from the inside, and footbar hardware works loose under group class volume rather than under time. A carriage teaching thirty six hours a week ages very differently from one in a private studio used six hours a week, which is why a calendar based replacement rule fits some studios badly.
This planner converts your schedule into use hours per carriage, then turns those hours into a replacement rhythm and an honest estimate of the staff time your inspection routine takes across the whole room.
Your result
Use hours per carriage per year
1,800
Assumes classes of about one hour on the busiest carriage.
Total carriage hours across the studio
18,000
Useful when you are budgeting parts for the whole room.
Months between spring sets
8.0
How quickly your busiest carriage reaches the hours you expect from a set.
Staff hours a year on weekly checks
83.3
Based on checking every carriage once a week.
These figures size the routine, they do not replace a hands on inspection or your manufacturer's guidance for your apparatus.
Hours, not months, drive wear on a group schedule
Two studios can buy identical reformers in the same month and need new springs a year apart. The one running six classes a day six days a week puts roughly three times the load through its springs and ropes as a studio teaching two classes a day. Replacement guidance written in months has to assume some level of use, and busy group studios usually exceed it.
Working in hours also makes rotation obvious. If two carriages sit by the window and get chosen first every class, they age faster than the pair by the storage wall. Rotating positions monthly evens out the wear and keeps your replacement cycle predictable instead of arriving one carriage at a time.
What the inspection hours figure is really telling you
A ten minute check on ten carriages every week is a real block of paid time, and it is the part of maintenance that quietly disappears when the schedule gets busy. Seeing the annual hours makes it a line you can staff rather than a task that lands on whoever closes.
Most owners split it: a fast pre class look at springs, ropes and footbar locks by the teaching instructor, then a longer weekly check by one named person who logs what she found. Write the date on the log even when nothing is wrong, because the record is what you want on hand if a client is ever hurt on your equipment.
Questions about this calculator
How many use hours should I expect from a spring set?
Manufacturers vary and so does the load your clients put through them, so start with the guidance that came with your apparatus and adjust from what you observe. Springs that no longer return to their resting length, or that feel lighter than a new spring at the same setting, are done regardless of the hours. Log the date each set goes on so your next estimate comes from your own room.
Should ropes and straps follow the same schedule as springs?
Usually not. Ropes and straps tend to fail from abrasion at the pulleys and where they thread through hardware, so they are inspected by hand rather than by hours. Check them weekly for fraying, glazing and uneven length between sides, and replace both sides of a carriage together so the client feels an even pull.
Can I take a carriage out of service without redoing my schedule?
In ReformerRoster you mark the unit as out of service and every class that uses it drops its bookable capacity for the affected dates. Clients already booked on that unit are flagged so you can move them or offer the waitlist spot. That is the point of counting capacity by apparatus rather than by class size.
More free tools and working documents
Working document
A cancellation, late arrival and waitlist policy you can fill in
Twenty clauses to complete, written for a studio where one empty carriage is one hour of unrecoverable revenue.
Take the figure into a live studio
A number on this page stays an argument until something in the room changes. Bring the inputs you just entered, the carriage count, the class volume and the weeks open, and we will show you the same studio running with per apparatus capacity, automatic refill of a released carriage and a spring change that drops bookable spots by itself. About thirty minutes, and you will know whether your figure moves.