Mean Time To Repair Calculator

Calculate the average time required to repair equipment or systems after a failure occurs. This helps in measuring system reliability and maintenance efficiency.

Input Parameters

Calculation Results

Calculation Formula

MTTR = Total Downtime / Number of Failures

Where:
MTTR - Mean Time To Repair
Total Downtime - Total time equipment was down during failures
Number of Failures - Count of equipment failures during the period

Results

Mean Time To Repair (MTTR): --
Failures per Time Period: --
System Availability: --

Mean Time To Repair Calculator Usage Guide

Learn how to use the Mean Time To Repair Calculator and understand its significance in maintenance planning

How to Use This Calculator

  1. Enter the number of times your equipment failed during a specific period.
  2. Input the total amount of time (in hours) that the equipment was non-operational due to these failures.
  3. Specify the time period during which these failures occurred (in hours).
  4. Click the "Calculate" button to determine the MTTR and other metrics.

Understanding MTTR

Mean Time To Repair (MTTR) is a key performance indicator in maintenance engineering. It represents the average time required to repair a system after a failure occurs. A lower MTTR indicates more efficient maintenance processes and better system reliability.

The formula used is:

MTTR = Total Downtime / Number of Failures

Significance of MTTR

MTTR is crucial for:

  • Assessing maintenance efficiency
  • Improving system uptime and availability
  • Optimizing maintenance resources and personnel
  • Identifying bottlenecks in the repair process
  • Enhancing overall reliability and reducing operational costs

Example

If your equipment failed 5 times in a 100-hour period, and the total downtime was 12 hours, the MTTR would be 12/5 = 2.4 hours. This means, on average, it took 2.4 hours to repair each failure.