> For the complete documentation index, see [llms.txt](https://docs.boostfordaz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.boostfordaz.com/using-boost-for-daz/pricing-and-billing/estimating-costs.md).

# Estimating Costs

Boost for Daz uses fractional billing so you are only paying for what you use - right to the very minute. Here’s how your costs are calculated for a session (all prices here are in US Dollars):

{% hint style="info" %}
The key inputs into your final charges for a session are:

* Session Rate in cents/minute = (Hourly rate of the selected machine, *in cents*)/ 60 **\[A]** 
* Total Duration of your session (in minutes) \[**B]**
  {% endhint %}

You will be charged = **\[A]** \* **\[B]** , which is \[Session Rate (in cents) \* Duration of your session in (minutes)]

So, for example:

If you selected an NVIDIA RTX 4000 machine currently priced at $1.40/hour and you used it for 20 minutes, here’s how your total charges will be calculated:

Session Rate (in cents/minute): 140/60 = 2.3333333 cents/minute **\[A]** 

Total Duration of session = 20 mins **\[B]**

Your total charge for a 20 min session on an RTX 4000 machine on Boost for Daz = **\[A]** \* **\[B]**

\=> \[$0.023333333 /minute] \* \[20 Minutes] => $0.466666666, but it will round up to $0.47

So, a 20 min session on an RTX 4000 at a $1.40 hour rate would cost you 47 cents.


---

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