🔧 MTBF & MTTR Calculator
Mean Time Between Failures · Mean Time To Repair
—
MTBF (Hours)
—
—
Failure Rate (λ)
MTBF = Total Operating Time / Number of Failures
=
—
Failure Rate (λ) = 1 / MTBF = —
MTBF Interpretation
Excellent
Good
Fair
Poor
|
Higher MTBF = Better Reliability
—
MTTR (Hours)
—
—
Repair Rate (μ)
MTTR = Total Repair Time / Number of Repairs
=
—
Repair Rate (μ) = 1 / MTTR = —
MTTR Interpretation
Excellent
Good
Fair
Poor
|
Lower MTTR = Better Maintainability
live
|
auto‑calculate
⚬ mtbf · mttr · reliability · maintainability ⚬