5S Score Calculator
The formula
What the 5s score tells you
The five-pillar workplace-organisation audit — Sort, Set in order, Shine, Standardize, Sustain — scored to a 100-point composite with a pillar profile.
Calculation: 5S score = sum of pillar audits ÷ 50 × 100. Enter your inputs and every substitution is shown below the result.
Reading the result
Read the weakest pillar, not the total: a 78 resting on Sustain-at-4 is a scoreboard of last month’s work.
Rules of thumb: Under 50 is a clean-up, 60–75 a working program, sustained 85+ is culture
Limitations and best practice
Audit-theatre inflation — teams photographed after a blitz and audited the blitz; unannounced spot audits keep the score honest.
This calculator gives an estimate based on standard formulas; it is not professional financial, medical, legal or engineering advice. Verify anything you plan to act on with a qualified professional and your own records.
Frequently asked questions
Why is Sustain so hard?
Does 5S predict anything?
Source & methodology
Hi-Rise / Takashi Osada 5S methodology.
5S Score explained: formula, worked example and honest limits
Scores feel like verdicts, but they are arithmetic — and arithmetic you understand is arithmetic you can plan toward. Searchers land on a 5S Score page for three reasons — to plan, to compare options, and to check that somebody else’s arithmetic is honest. This tool serves all three, and everything after the calculator explains the model instead of hiding it.
A calculation like this one is worth roughly as much as a careful sentence: it forces several vague considerations into one comparable quantity. Once 5S Score is on the table, the argument can stop being about impressions.
There is a habit that separates people who get useful answers from Operations numbers: they decide what question the figure answers before they compute it. 5S Score answers “5S score?” — and nothing else, which is precisely why the result is trustworthy.
Nothing below is stock text pasted around a number: the worked example computes 5S score = 68.0 % from this tool’s own defaults, and the sensitivity section ranks the inputs that move the result — Set in order (Seiton) 0–10 first, at ≈3.5 % of the headline for a ten-percent error either way in that input — which is the thread the rest of this guide pulls on.
Every input in 5S Score, and what it does to the answer
The engine implements a single stated model: 5S score = sum of pillar audits ÷ 50 × 100. There is no hidden coefficient and no login-gated precision — the formula printed is the formula executed, which is also what makes the result citable.
Sort (Seiri) audit 0–10 (example value 6) is a plain measured quantity — the unit shown in the label is the unit the formula expects. Replace the example with the figure from your own records — the tool recomputes instantly and the printed steps follow your numbers.
Set in order (Seiton) 0–10 (example value 12) is a quantity rather than a category — precision here is cheap and worth having. If you are unsure what belongs in this field, look at the printed steps: the substitution shows exactly how the engine uses it.
Shine (Seiso) 0–10 (example value 6) is a measured number in the unit named by the label; the formula does not convert for you. Replace the example with the figure from your own records — the tool recomputes instantly and the printed steps follow your numbers.
Standardize (Seiketsu) 0–10 (example value 5) is a quantity rather than a category — precision here is cheap and worth having. This input feeds the formula directly; a defensible figure here is worth more than false precision anywhere else.
Sustain (Shitsuke) 0–10 (example value 5) is a measured number in the unit named by the label; the formula does not convert for you. Replace the example with the figure from your own records — the tool recomputes instantly and the printed steps follow your numbers.
A fully worked 5S Score example
Abstract formulas are hard to trust, so here is the complete substitution using the default inputs, written the way an examiner would want it. Starting figures: Sort (Seiri) audit 0–10, Set in order (Seiton) 0–10, Shine (Seiso) 0–10, Standardize (Seiketsu) 0–10. The endpoint of that chain is 68.0 % of 5S score, sitting in the “Weakest pillar is the ceiling — sustain at 5/10 decides whether the score survives next month” band.
- Total = 6+12+6+5+5 = 34
- Score = 34 ÷ 50 = 68%
Points across pillars — 34.0 /50. Compare it against the main result of 68.0 % before drawing conclusions.
Gap to 80% score — 6.0 pts. If your inputs change, this is usually the first companion figure to move.
Average pillar — 6.8 /10. Compare it against the main result of 68.0 % before drawing conclusions.
Keep this worked example open while you enter your own figures: matching the shape of the substitution is the fastest way to spot a unit or convention mistake.
Scenario table: 5S Score at ±10 % and ±20 % of the key input
The honest version of any estimate is a corridor, and this one is cheap to produce: 5S Score was recomputed at 5 points along the dominant input, with every other field left untouched.
| Set in order (Seiton) 0–10 setting | 5S score |
|---|---|
| 80 % of the example value | 63.2 % |
| 90 % of the example value | 65.6 % |
| example inputs | 68.0 % |
| 110 % of the example value | 70.4 % |
| 120 % of the example value | 72.8 % |
Across 5 settings of Set in order (Seiton) 0–10, the result spans 63.2 % to 72.8 %. A decision that only works at one row of this table is a decision waiting for an input to move. Reproduce it in the form above by editing Set in order (Seiton) 0–10 alone; the substitution steps will follow your figures exactly.
Sensitivity: which inputs change 5S Score the most
Generic advice says “it depends on your inputs”; this section says exactly how much. Each field was perturbed by ±10 % in isolation and the 5S score recomputed, so the ranking below is measured rather than asserted. Read it as a map of where 5S Score is fragile — drawn for the example inputs, which is the map you want when deciding what to measure carefully.
- Set in order (Seiton) 0–10 +10 % → 5S Score = 70.4 % · −10 % → 65.6 % (the 5S score shifts ≈3.5 %)
- Sort (Seiri) audit 0–10: ten percent up gives 69.2 %, ten percent down gives 66.8 % — ≈1.8 % of the 5S score either way
- Shine (Seiso) 0–10 +10 % → 5S Score = 69.2 % · −10 % → 66.8 % (the 5S score shifts ≈1.8 %)
- Standardize (Seiketsu) 0–10 +10 % → 5S Score = 69.0 % · −10 % → 67.0 % (the 5S score shifts ≈1.5 %)
- Sustain (Shitsuke) 0–10 +10 % → 5S Score = 69.0 % · −10 % → 67.0 % (the 5S score shifts ≈1.5 %)
Set in order (Seiton) 0–10 is the dominant lever here: ten percent either way moves the result by about 3.5 %, from 65.6 % to 70.4 %. Spend your verification effort there first, and treat Sort (Seiri) audit 0–10 as the second priority (≈1.8 % per ten percent). The remaining fields can sit at safe defaults without materially changing the answer — knowing which is which is what separates a careful calculation from an anxious one.
Reading the result: bands, zones and thresholds
Nobody acts on a bare figure — they act on a figure with a comparison attached. The verdict attached to the default calculation — “Weakest pillar is the ceiling — sustain at 5/10 decides whether the score survives next month” — is one band on a ladder your own figure may sit somewhere else on. How much of that band is luck? On Set in order (Seiton) 0–10 alone ten percent either way covers 65.6 % to 70.4 %. The practical reading rules: compare against your own history before comparing against other people; treat band boundaries as zones, not walls — one point on the wrong side of a threshold rarely changes a real outcome; and when a companion output contradicts the headline, believe the pair.
In Business & Entrepreneurship, 5S Score is one instrument in an orchestra: on its own it is a number, next to Points across pillars and Gap to 80% score it becomes a diagnosis. The tools linked above exist so the headline never has to carry that weight alone.
The errors that quietly break a 5S Score figure
Audit-theatre inflation — teams photographed after a blitz and audited the blitz; unannounced spot audits keep the score honest. This calculator gives an estimate based on standard formulas; it is not professional financial, medical, legal or engineering advice. Verify anything you plan to act on with a qualified professional and your own records.
Treating the example inputs as a recommendation. They are a demonstration of the mechanism — a decision-grade 5S Score begins the moment your own figures replace them.
Attention is also misallocated between fields. Having measured this engine, we can say where it belongs: Set in order (Seiton) 0–10 first, everything else second.
A final trap is presentation: reporting 5S Score to more decimal places than the inputs support. The tool prints what the arithmetic gives; you should quote only what your least precise field justifies.
A quick check for any 5S Score figure
- Note the date and the inputs beside the number so the figure can be audited later.
- Record the date and the inputs alongside the number so future-you knows what was assumed.
- Re-verify Set in order (Seiton) 0–10 against a source document — ten percent of error there moves the headline by ≈3.5 %.
- Compare the result with one independent method or published benchmark.
- Recompute once with the dominant input deliberately set low, and see whether the decision changes.
- Run the ±10 % stress on the top two levers and check that your conclusion survives both.
Five steps from raw inputs to a figure you can defend
Using a calculator well sounds trivial, but the difference between a decision-grade figure and a throwaway one lives entirely in the routine. The routine for 5S Score takes a minute to learn and applies to every input above.
Step 1 — start from evidence. The inputs behind 5S Score are sort (seiri) audit 0–10, set in order (seiton) 0–10, shine (seiso) 0–10, standardize (seiketsu) 0–10, sustain (shitsuke) 0–10. Write them down with their source next to each one; if you cannot name where a figure came from, that is the input most likely to be wrong. Estimates improve most when the worst case is written down in ink.
Step 2 — baseline before exploration. Get one defensible 5S score on screen before you start nudging numbers. Without a baseline, every variation looks interesting and none of them means anything. If the answer changes your behaviour, it deserves a second run with different assumptions.
Step 3 — measure what deserves measuring. The ranked levers above tell you where a careful figure pays off. Everything else can stay approximate, which is a licence to stop hunting for data you do not need. The fastest sanity test is to guess the answer first and see how far the calculation disagrees.
Step 4 — stress before you commit. A decision that survives a ten-percent squeeze on its two biggest inputs needs no luck to be sound. One that does not survive is a decision about hope, not about arithmetic. The fastest sanity test is to guess the answer first and see how far the calculation disagrees.
Step 5 — save the story with the figure. A number without its inputs and its date is unusable within a quarter. Record 68.0 %, the assumptions behind it, and today’s date; your future self will be auditing a stranger’s arithmetic. One decimal place more than your data supports is one decimal place of fiction.
Who actually uses 5S Score — and when
Most Operations disagreements are arithmetic disagreements in disguise. When 5S score of 68.0 % sits on the table with its working shown, the conversation stops being about who sounds more confident and starts being about which input is wrong. Suspiciously tidy answers deserve the same scrutiny as untidy ones.
Professionals in Operations use this style of calculation as a screening filter before spending real money or effort: a quick 5S Score check eliminates weak options in minutes, and the survivors earn the deeper, slower analysis. Half of a good calculation is knowing which input you would hate to be wrong about.
Nothing here is stored or transmitted, so the habit of checking is free: open the page, re-enter current figures, compare with the number you saved last time. The input you reach for first is usually the one you measured longest ago.
The questions that come up most about 5S Score
What affects 5S Score the most?
The short answer: Set in order (Seiton) 0–10. The longer answer is the sensitivity table on this page, where every numeric input was probed by ten percent and the 5S score recalculated — Set in order (Seiton) 0–10 moved it furthest, by roughly 3.5 % (65.6 % to 70.4 %).
Which matters more: sort (seiri) audit 0–10 or set in order (seiton) 0–10?
By the numbers, Set in order (Seiton) 0–10: a ten-percent change in it moves the result ≈3.5 %, versus ≈1.8 % for Sort (Seiri) audit 0–10. Spend your measuring effort in that order — precision on the weaker lever buys almost nothing.
What is a typical 5S Score?
With the example inputs on this page the result is 68.0 %, labelled “Weakest pillar is the ceiling — sustain at 5/10 decides whether the score survives next month”. “Typical” varies with situation, which is why every result here ships with its verdict band and its sensitivity list: they turn one figure into a range you can locate yourself inside.
How do I calculate 5S Score by hand?
Use the stated model — 5S score = sum of pillar audits ÷ 50 × 100 — and substitute in the order the tool prints (it starts from Total = 6+12+6+5+5 = 34). On the example inputs the hand route lands on 68.0 %, exactly what the calculator shows. A spreadsheet reproduces it in two or three cells; doing it once by hand is what makes the automated answer trustworthy.
What happens to 5S Score if set in order (seiton) 0–10 changes by 10 %?
The engine was re-run with that field moved by ten percent while everything else stayed fixed: the 5S score goes across 65.6 % to 70.4 %, a swing of roughly 3.5 % around the 68.0 % baseline. That ratio is the practical definition of how much this input matters.
Is the 5S Score result of 68.0 % good or bad?
Neither, on its own — the label “Weakest pillar is the ceiling — sustain at 5/10 decides whether the score survives next month” is the band this figure falls in for the example inputs, and your own inputs will place you elsewhere on the same ladder. Judge the number against your history and your alternatives, and remember that a ten-percent error in Set in order (Seiton) 0–10 alone moves it by ≈3.5 %.
What does 68.0 % tell me about the business?
It answers the narrow question mechanically and the broad question only in context: 5S Score is one dashboard light, and it pairs with unit economics and cash timing before any bet the business size.
How do I calculate 5S Score manually?
Write down the inputs, then follow the printed steps in order — 5S score = sum of pillar audits ÷ 50 × 100. A spreadsheet replicates it with two or three cells. The manual route is worth doing once to build intuition; after that the calculator saves time and eliminates transcription slips.
Why is Sustain so hard?
It is the only pillar that is a behaviour, not a task — red-teams decay unless the standard carries a weekly owner and a visible score.
Does 5S predict anything?
With lag, yes: audit scores correlate with changeover times, defect discovery speed and even safety incidents — the floor talks.
Can this tool see the numbers I type?
It cannot. There is no submission step: the calculation happens in your browser and the result disappears when you close the page. Treat the fields above as a scratchpad rather than a form.
Glossary for 5S Score
- Points across pillars
- 34.0 /50 for the 5S Score worked case; it sits next to the main result because it carries context the headline leaves out.
- Gap to 80% score
- 6.0 pts in the default 5S Score calculation — one of the secondary figures an experienced reader checks before trusting the primary number.
- Average pillar
- 6.8 /10 on the example inputs — a companion figure printed beside the headline of 5S Score so that no result is read in isolation.
- 5S score
- The primary output of this tool: 68.0 % for the default inputs, computed exactly from 5S score = sum of pillar audits ÷ 50 × 100.
- Worked example
- Every substitution in order, from the example inputs to 68.0 % — the audit trail for the headline figure.
- Verdict band
- A named zone on the range of plausible results; the example inputs land in “Weakest pillar is the ceiling — sustain at 5/10 decides whether the score survives next month”, and your inputs may not.
- Sensitivity (±10 %)
- How far the 5S Score moves when a single input is nudged ten percent either way; the ranked list on this page is computed live from this engine.
Methodology, sources and limits
There is no black box on this page — the engine evaluates 5S score = sum of pillar audits ÷ 50 × 100. Source of record: Hi-Rise / Takashi Osada 5S methodology. Specialist software layers extra coefficients on top of the same algebra; none are hidden here, and that transparency is what makes a disagreement traceable to a specific input instead of a black box.
Nothing here replaces a qualified professional, and nothing here is approximate either — the arithmetic is exact, and the honesty is in the inputs you supply. The sensitivity table above is part of that promise rather than a bonus: it lets you see how much of the result depends on how carefully you measured.
After the number: what to do with it
Refresh the calculation every term or test cycle — weightings and raw scores both move.
Whoever you are (students and candidates planning toward a target score), the next step is the same: replace the example inputs with your own, note the date, and re-run whenever a figure moves. In Business & Entrepreneurship, a dated figure is a trend, and an undated one is a rumour.