# Estimated Time vs. Actual Time - Pronterface

**URL:** <https://forum.lulzbot.com/t/estimated-time-vs-actual-time-pronterface/1046>\
**Category:** Software\
**Created:** [December 5, 2014, 6:18pm UTC](https://forum.lulzbot.com/t/estimated-time-vs-actual-time-pronterface/1046 "2014-12-05T18:18:45Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![edlink](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/edlink/32/29_2.png) [@edlink](https://forum.lulzbot.com/u/edlink)\
**Post date:** [December 5, 2014, 6:18pm UTC](https://forum.lulzbot.com/t/estimated-time-vs-actual-time-pronterface/1046/1 "2014-12-05T18:18:45Z")

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I’m using Slic3r and Pronterface.

The “estimated duration” time Pronterface computes is typically pretty far off from the actual time it takes to print.  
I usually double what I see in the estimate.

Today was the worst I’ve seen yet though.

Pronterface estimated about 2.25 hours - print took 7 hours. 😮

Is anybody else seeing something like this? Am I missing something in the software that grossly changes the estimate from the actual?

Is there a way to narrow the gap between the two numbers?  
 ![time_to_print.JPG](https://us1.discourse-cdn.com/flex020/uploads/lulzbot/original/2X/6/63e44576631df667654525724cc38e16c179f180.jpeg)

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**Author:** ![Orias](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.lulzbot.com/orias/32/3_2.png) [@Orias](https://forum.lulzbot.com/u/Orias)\
**Post date:** [December 5, 2014, 8:15pm UTC](https://forum.lulzbot.com/t/estimated-time-vs-actual-time-pronterface/1046/2 "2014-12-05T20:15:54Z")

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The estimate’s really general- I’ve seen prints with accurate estimates, and prints with wildly off estimations. Cura seems to be a bit more on point in the past few prints I’ve ran.