5S Audit Score Calculator
Calculate your 5S audit score from Sort, Set in Order, Shine, Standardize, and Sustain ratings. Assess workplace organization and lean maturity.
Free Lean Calculators
21 tools5S audit, value stream, SMED, kaizen, and waste calculators. Browse our free lean tools below — no sign-up required.
A3 Problem Solving Savings Calculator
Calculate savings from A3 problem solving projects. Track the financial return of root cause analysis and countermeasure implementation.
Andon Response Time Calculator
Calculate average andon response time from signal to resolution. Track escalation effectiveness and reduce production line stoppages.
Continuous Improvement ROI Calculator
Calculate the return on investment for your continuous improvement program. Compare annual cumulative savings against CI program costs and resources.
Eight Wastes (DOWNTIME) Calculator
Calculate the total cost of the eight wastes of lean manufacturing: Defects, Overproduction, Waiting, Talent, Transport, Inventory, Motion, and Processing.
Gemba Walk Effectiveness Calculator
Calculate gemba walk effectiveness from issues identified, resolved, and impact value. Track leadership engagement and improvement outcomes on the shop floor.
Hoshin Kanri Alignment Calculator
Calculate your hoshin kanri strategy alignment score. Measure how well your organizational objectives cascade and align from top-level goals to shop floor actions.
Kaizen Event ROI Calculator
Calculate the return on investment from kaizen events. Compare annual savings from process improvements against event costs and implementation expenses.
Kaizen Savings Calculator
Calculate savings from kaizen improvement events by comparing before and after costs, volumes, and implementation expenses. Quantify continuous improvement ROI.
Kanban System Design Calculator
Calculate the number of kanban cards and container size needed for a pull system. Design your kanban loop based on demand, lead time, and safety stock.
Line Balancing Efficiency Calculator
Calculate line balancing efficiency by comparing total task time to the product of stations and bottleneck cycle time. Optimize production line design.
Manufacturing Cell Design Calculator
Calculate the number of operators needed for a manufacturing cell based on work content and takt time. Design balanced production cells for lean flow.
Non-Value-Added Time Calculator
Calculate non-value-added time by subtracting value-added processing time from total lead time. Quantify waste in your manufacturing process.
Poka-Yoke ROI Calculator
Calculate the return on investment for poka-yoke (mistake-proofing) devices. Compare defect prevention savings against implementation costs.
Quick Changeover Calculator
Calculate changeover time reduction from current to target and the production capacity gained. Plan SMED and quick changeover improvement events.
SMED Calculator (Single-Minute Exchange of Die)
Calculate SMED improvement by separating internal and external setup time. Reduce changeover time and increase manufacturing flexibility and capacity.
SMED Savings Calculator
Calculate savings from SMED (Single-Minute Exchange of Die) setup reduction projects. Quantify freed capacity and cost savings from faster changeovers.
Takt Time vs Cycle Time Calculator
Compare takt time and cycle time to identify capacity gaps. Calculate how many units you can produce vs demand and where bottlenecks exist.
Value Stream Map Savings Calculator
Calculate potential savings from value stream mapping by comparing current state lead time costs to future state targets. Quantify VSM improvement value.
Value-Added Ratio Calculator
Calculate the value-added ratio by comparing value-adding process steps to total process steps. Identify non-value-added activities in manufacturing.
VSM Lead Time Ratio Calculator
Calculate the value stream mapping lead time ratio comparing value-added time to total lead time. Identify waste in your manufacturing process flow.