Home › Tools

All 126 Reliability Engineering Tools

Every calculator in Reliability Pro, grouped by discipline — life data analysis, accelerated testing, system reliability, failure and root cause, SPC, statistics, thermal, project cost, and design for reliability. Each runs free in the browser and in the iOS and Android apps.

Open the web app iOS app Android app

Life Data & Field Analysis

Distribution AnalyzerFormula & worked example Weibull SolverFormula & worked example Lognormal SolverFormula & worked example Field ReliabilityLife Data & Field Analysis Fleet FailureLife Data & Field Analysis WarrantyLife Data & Field Analysis Reliability ForecastLife Data & Field Analysis Physics of FailureLife Data & Field Analysis

Maintenance & Availability

Availability & MTBFFormula & worked example MTBF PredictorMaintenance & Availability MaintainabilityMaintenance & Availability Repairable SystemsMaintenance & Availability Spare Parts OptimizerFormula & worked example

Stress & Damage Models

Arrhenius ModelFormula & worked example Arrhenius TestStress & Damage Models Coffin-Manson ModelFormula & worked example Power Law ModelFormula & worked example Peck's ModelStress & Damage Models Norris-LandeauStress & Damage Models Cumulative DamageStress & Damage Models Stress-StrengthFormula & worked example Fatigue / S-NStress & Damage Models

Test Planning & Design Margins

Test TimeTest Planning & Design Margins Sample SizeFormula & worked example HALT MarginsTest Planning & Design Margins HASS ScreenTest Planning & Design Margins Sample Size (Quality)Test Planning & Design Margins Acceptance SamplingTest Planning & Design Margins DOE PlannerTest Planning & Design Margins DOE AnalyzerTest Planning & Design Margins

System Reliability

Visual RBDSystem Reliability RBD StagesSystem Reliability k-out-of-nFormula & worked example Active RedundancySystem Reliability Standby RedundancySystem Reliability Reliability AllocationSystem Reliability SIL / PFDFormula & worked example Monte Carlo SimulatorSystem Reliability Reliability GrowthFormula & worked example Degradation AnalysisSystem Reliability

Failure & Root Cause

FMEA RPNFormula & worked example FMECAFailure & Root Cause FMEA Control PlanFailure & Root Cause Fault TreeFormula & worked example Event Tree AnalysisFailure & Root Cause 5 WhysFormula & worked example FishboneFailure & Root Cause FRACASFailure & Root Cause Failure ModesFailure & Root Cause

Quality & SPC

Process CapabilityFormula & worked example Control Chart BuilderFormula & worked example Gage R&R PlannerQuality & SPC Gage R&R ValidatorFormula & worked example Lean Six SigmaQuality & SPC Quality StandardsQuality & SPC Pareto AnalyzerFormula & worked example

Core Statistics

Confidence IntervalFormula & worked example Probability StatsCore Statistics Tolerance IntervalCore Statistics Normality TesterCore Statistics Advanced StatisticsCore Statistics ANOVACore Statistics Graph BuilderCore Statistics

Regression & Modeling

Linear RegressionFormula & worked example Multivariate AnalyzerRegression & Modeling Time SeriesRegression & Modeling Probit AnalysisRegression & Modeling Cox RegressionRegression & Modeling Bayesian EstimationRegression & Modeling

Live Diagnostics

Vibration RMS & PeakLive Diagnostics Shock / g-ForceLive Diagnostics GyroscopeLive Diagnostics Motion AnalyticsLive Diagnostics InclinometerLive Diagnostics Sound MeterLive Diagnostics Audio Spectrum (FFT)Live Diagnostics MagnetometerLive Diagnostics CompassLive Diagnostics Barometric DiagnosticsLive Diagnostics Light MeterLive Diagnostics Strobe / Light SourceLive Diagnostics Light SpectrumLive Diagnostics

Thermal Management

Thermal StackThermal Management ConductionThermal Management ConvectionThermal Management Dew PointThermal Management Heat Sink SizingThermal Management Junction TempThermal Management Thermal ResistanceThermal Management

Derating

Derating GuideFormula & worked example Derating AuditDerating

Project & Cost Management

Critical PathProject & Cost Management PERT EstimatorProject & Cost Management Earned ValueProject & Cost Management Risk MatrixProject & Cost Management Cost of QualityProject & Cost Management Cost of ServiceProject & Cost Management Life Cycle CostProject & Cost Management

Design for Reliability — Fluid

Pipe Pressure DropDesign for Reliability — Fluid NPSH MarginDesign for Reliability — Fluid Valve Cv SizingDesign for Reliability — Fluid Tank Drain TimeDesign for Reliability — Fluid Water Hammer / SurgeDesign for Reliability — Fluid Acoustic-Induced VibrationDesign for Reliability — Fluid Flow-Induced VibrationDesign for Reliability — Fluid Two-Phase Flow ScreeningDesign for Reliability — Fluid Parallel Flow SplitDesign for Reliability — Fluid

Design for Reliability — Mechanical

Bolted Joint PreloadDesign for Reliability — Mechanical Beam DeflectionDesign for Reliability — Mechanical Column BucklingDesign for Reliability — Mechanical Mohr's CircleDesign for Reliability — Mechanical Tolerance Stack-UpDesign for Reliability — Mechanical

Design for Reliability — Electrical

PCB Trace WidthDesign for Reliability — Electrical Wire Voltage DropDesign for Reliability — Electrical RC / RLC DesignerDesign for Reliability — Electrical Battery RuntimeDesign for Reliability — Electrical Creepage & ClearanceDesign for Reliability — Electrical

Design for Reliability — Chemical

Corrosion RateDesign for Reliability — Chemical Galvanic CompatibilityDesign for Reliability — Chemical MSL Floor LifeDesign for Reliability — Chemical

Design for Reliability — Thermal

Transient ThermalDesign for Reliability — Thermal Heat ExchangerDesign for Reliability — Thermal Fin EfficiencyDesign for Reliability — Thermal

Design for Reliability — Optical

Fibre Link BudgetDesign for Reliability — Optical LED Lumen MaintenanceDesign for Reliability — Optical Illuminance DesignDesign for Reliability — Optical