School uniform growth allowance ledger calculator

Calculate item fit and measurement-age ledger and items below desired spare margin with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use item fit and measurement-age ledger and items below desired spare margin to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Garment ledger JSON [ID,body measurement cm,matching garment internal cm,desired spare cm,last measured elapsed day]
[["shirt",70,76,5,0],["trouser",60,62,4,20]]
Current elapsed day (days)
40
User maximum measurement age (days)
30
Item fit and measurement-age ledger
[["shirt",6,"Margin met","Remeasure"],["trouser",2,"Review size","Current by supplied policy"]]
Items below desired spare margin
1
Items exceeding user measurement age
1

Try another scenario

Garment ledger JSON [ID,body measurement cm,matching garment internal cm,desired spare cm,last measured elapsed day]
[["shirt",70,76,5,0],["trouser",60,66,4,20]]
Current elapsed day (days)
40
User maximum measurement age (days)
30
Item fit and measurement-age ledger
[["shirt",6,"Margin met","Remeasure"],["trouser",6,"Margin met","Current by supplied policy"]]
Items below desired spare margin
0
Items exceeding user measurement age
1
Calculation method

Calculation method

Item fit and measurement-age ledger

Spare=garment-body; Review size when spare<suppliedDesiredSpare; Remeasure when currentDay-lastMeasuredDay>suppliedMaxAge.

Items below desired spare margin

Count Review size items.

Items exceeding user measurement age

Count Remeasure items.

Symbols and units
a
Garment ledger JSON [ID,body measurement cm,matching garment internal cm,desired spare cm,last measured elapsed day]
b
Current elapsed day (days)
c
User maximum measurement age (days)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Measurement ledger with user-selected spare margins and age policy, no growth prediction, age standard, clothing recommendation or automatic purchase. Compare like circumference/length measurements only. Supported limits: Positive cm measurements; desiredSpare>=0; integer 0<=lastDay<=currentDay; maxAge>=0; unique item IDs; <=1000 items.
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