Condition Monitoring ROI Calculator
Calculate the ROI of condition monitoring programs. Compare prevented failure costs against monitoring system investment and operating expenses.
Total Productive Maintenance (TPM) Calculator
Calculate your TPM score from OEE, autonomous maintenance compliance, and PM completion rate. Benchmark your TPM program effectiveness.
TPM Pillar Scores (%)
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Weights
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TPM Score⧉
82.1%
Weighted across 6 pillars (100% total weight)
Program Status⧉
Good
3.0 points below world-class (85%)
Weakest Pillar⧉
Training & Education
70.0% — priority improvement area
Strongest Pillar⧉
Safety & Environment
92.0% — sustain this performance
Average Pillar Score⧉
82.8%
Unweighted average across all pillars
Pillars Below 85%⧉
3 of 6
OEE, Quality Maintenance, Training & Education
Weakest Pillar Impact⧉
+1.5 pts
If Training & Education reaches 85%, TPM score → 83.6%
Gap to World-Class⧉
3.0 points
Weighted improvement needed
Pillar Scores vs. World-Class Target (85%)
OEE
78%
Autonomous Maintenance
85%
Planned Maintenance
90%
Quality Maintenance
82%
Training & Education
70%
Safety & Environment
92%
Black line = 85% world-class target
Pillar Scoring Detail
| Pillar | Score | Weight | Weighted Score | Gap to 85% | Status |
|---|---|---|---|---|---|
| OEE | 78.0% | 35% | 27.3 | −7.0 | ⚠️ Improving |
| Autonomous Maintenance | 85.0% | 15% | 12.8 | ✓ | ✅ Target |
| Planned Maintenance | 90.0% | 15% | 13.5 | ✓ | ✅ Target |
| Quality Maintenance | 82.0% | 15% | 12.3 | −3.0 | ⚠️ Improving |
| Training & Education | 70.0% | 10% | 7.0 | −15.0 | ⚠️ Improving |
| Safety & Environment | 92.0% | 10% | 9.2 | ✓ | ✅ Target |
| TPM Score | 100% total weight | 82.1 | −3.0 | Good | |
TPM Benchmark Reference
| Level | Threshold | Your Position |
|---|---|---|
| World-Class | ≥ 85% | — |
| Good | ≥ 75% | → 82.1% |
| Maturing | ≥ 65% | — |
| Developing | < 65% | — |
Planning notes, formulas, and examples
About the Total Productive Maintenance (TPM) Calculator
Total Productive Maintenance (TPM) is a comprehensive maintenance philosophy that engages all employees — from operators to management — in equipment care. TPM aims to maximize equipment effectiveness through eight pillars: autonomous maintenance, planned maintenance, quality maintenance, focused improvement, training, safety, office TPM, and development management.
Measuring TPM program effectiveness requires tracking multiple metrics. OEE (Overall Equipment Effectiveness) is the headline metric, but autonomous maintenance compliance and PM completion rates indicate whether the foundational practices are being followed.
It gives a composite TPM score by weighting OEE, autonomous maintenance compliance, and PM completion percentage. Use it to benchmark your TPM program, identify weak areas, and track improvement over time.
When This Page Helps
A single composite TPM score provides a quick health check of your maintenance program across its key dimensions. It reveals whether your TPM implementation is balanced — high OEE but low AM compliance suggests unsustainable performance that will eventually deteriorate.
How to Use the Inputs
- Enter your current OEE percentage (availability × performance × quality).
- Enter your autonomous maintenance compliance rate (% of AM tasks completed on time).
- Enter your preventive maintenance completion rate (% of PM work orders completed on schedule).
- Optionally adjust the weights for each component.
- Review the weighted TPM score and individual component assessments.
- Identify the lowest-scoring area as the priority for improvement.
Formula used
TPM Score = (OEE × Weight₁ + AM Compliance × Weight₂ + PM Completion × Weight₃) ÷ (Weight₁ + Weight₂ + Weight₃)
Default weights: OEE = 40%, AM = 30%, PM = 30%
World-class target: TPM Score > 85%Example Calculation
Result: 83.7% TPM Score
TPM Score = (78 × 0.4 + 85 × 0.3 + 90 × 0.3) / 1.0 = 31.2 + 25.5 + 27.0 = 83.7%. OEE at 78% is the weakest component. Focus OEE improvement to push the overall TPM score above 85%.
Tips & Best Practices
- Start TPM with autonomous maintenance (AM) — it builds operator ownership and catches problems early.
- Track PM completion by schedule compliance, not just total completed — timing matters.
- Use visual management boards at each equipment center to display TPM metrics.
- Conduct regular TPM audits using standardized checklists for consistency.
- Celebrate milestones and recognize teams that achieve TPM targets.
- Don't chase OEE alone — AM and PM compliance sustain long-term OEE improvements.
The Eight Pillars of TPM
TPM is built on eight pillars, each addressing a different aspect of equipment management. Autonomous Maintenance empowers operators. Planned Maintenance optimizes professional maintenance. Focused Improvement drives Kaizen projects. Quality Maintenance links equipment condition to product quality. Together they create a comprehensive system.
TPM Implementation Roadmap
Start with a pilot area — typically one production line. Implement 5S and autonomous maintenance first to build the foundation. Add planned maintenance optimization and focused improvement projects. Expand to other areas as the first area matures. This phased approach manages change effectively.
Sustaining TPM
The biggest TPM challenge is sustaining momentum. Regular audits, visual management, recognition programs, and management participation keep TPM alive. Without active leadership involvement, TPM programs frequently regress within 2-3 years of launch.
Sources & Methodology
Last updated:
Frequently Asked Questions
World-class TPM programs achieve scores above 85%. Scores of 70-85% indicate a maturing program. Below 70% suggests significant improvement opportunities. The most important thing is sustained improvement over time, not the absolute number.
Autonomous maintenance (AM) is operator-performed basic care: cleaning, inspecting, lubricating, tightening. AM compliance measures what percentage of scheduled AM tasks are completed on time. World-class plants achieve 90%+ AM compliance.
OEE is the primary outcome metric of TPM. It measures equipment availability, performance rate, and quality rate. TPM's eight pillars all contribute to improving OEE. A TPM program without OEE tracking lacks its most important feedback mechanism.
A basic TPM program takes 12-18 months to establish. Full implementation across a plant takes 3-5 years. Results begin appearing within 6 months — reduced breakdowns, cleaner equipment, and improved operator engagement — even before formal metrics improve.
The eight pillars are: (1) Autonomous Maintenance, (2) Planned Maintenance, (3) Quality Maintenance, (4) Focused Improvement, (5) Early Equipment Management, (6) Training and Education, (7) Safety, Health and Environment, (8) Office TPM. Consulting relevant industry guidelines or professional resources can provide additional context tailored to your specific circumstances and constraints.
You can start with manual tracking, but a CMMS significantly improves PM scheduling, AM tracking, and data analysis. Most successful TPM programs implement or upgrade their CMMS as part of the TPM rollout to support data-driven maintenance.
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