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40 Necessary Formula For Garments Industry

01. Target = 60 ÷ ( SMV x No. of worker x working hour x expected efficiency) .


02. Target = 60÷SMV.


03. Team target =(60÷SMV)x Present operator x Organization efficiency .


04. Target per day = Working hour x 60 x No. of operator / Target SMV.


05. Capacity=Average of total obserb time x 1.66 + 30% Allowance / 60.


06. Factory capacity=No. of operator x working minutes + Present % x average factory efficiency.


07. Capacity per day = Present operator x working hour x organization efficiency x Attendance.


08. Weekly capacity = No. of operators x Absenteesm x Clock minutes per week x Average factory efficiency.


09. Marker efficiency = Area of patterns in the marker / Total area of the marker x 100.


10. Load = (Contract size x work content) contract 1+ (Contract size x work content)
Contract 2 + etc.


11. Load = Order quantity x Work content (SMV of garments).


12. Observe time = Total cycle time / No. of cycle.


13. Basic time = Avarage of observe time X Rating %.


14. Sam = Basic time x Allowance.


15. Rating = Observe time x Standard rating / Standard rating.


16. Cycle time = 60 / Team target.


17. Pitch time = Total SMV / Present operator.


18. Efficiency = Earn hour / Available hour x 100


19. Efficiency = SMV / Total time.


20. Earn hour = (Production x SMV) / 60.


21. Available hour = Working hour x Use machine(Total manpower)


22. Performance = (Earn hour / Available hour - Off standard time) x 100.


23. Improvement = 1-(Production / Capacity).


24. Balancing efficiency = 1-Balancing loss.


25. loss pcs = (60/SMV)x Available hours x avg factory effi (61%) -Q.C Pass


25. Balancing loss = AML-TML/AMLx100.


26. Standard time = Net operation time x (1+ Ratio of loss time).


27. Daily output = Working hours (seconds) + Standard time.



28. Output per operator = Work hours (second) / Total time of operations.


29. Required No. of operators = Targeted daily output / Daily output per operator.


30. Target daily capacity = Daily work hours / Standard process time (SPT).


31. Daily capacity per worker = Daily capacity / No. of workers = Daily Work hours / Standard total processing.


32. Organization efficiency = Pitch time / Bottle neck process time (x100) = 100/140 x 100 = 71.4%


33. Upper limit = Pitch time / Target organization efficiency = 100 / 0.85 = 117.6 seconds.


34. Lower limit = 2 x Pitch time - Upper limit = 2 x 100 - 117.6 = 82.4 seconds.


35. Planned daily work flow = Daily work hours / Standard process time (SPT) x organization efficiency.


36. Accumulated avarage time = Daily work hours/AccumulatedxNo.of daysxstandard No.of workers in
the group/No. of pieces produced.


37. SMV = Basic time + Allowance time + bundle time.


38. DHU = No. of deffect observe / No. of garments checked.


39. Booking fabric K.G. = Order quantity / 12 x Fabric consumption per doz.
40. Garments K.G. = Total receive fabric kg - (Save return kg + Jhute kg + Wastage fabric kg)


41. Input to sewing pcs. = Total in pcs - (Print Embroidery short & wastage + Cutting wastage pcs.)


39. Fabric consumption (CM) = Length x chest x 2 x GSM / 1000 / 10000 x 12 + Wastage%.

40. Fabric consumption (Inch) = Length x chest x 2 x GSM / 1000 / 1550 x 12 + Wastage%.


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