Enter the RPM, the inches per tooth, and the number of flutes into the Chip Thinning Factor Calculator. The calculator will evaluate the Chip Thinning Factor.

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## Chip Thinning Factor Formula

The following formula is used to calculate the Chip Thinning Factor.

**CTF = RPM*IPT*#F**

Variables:

- CTF is the Chip Thinning Factor (inches per minute)
- RPM is the RPM
- IPT is the inches per tooth
- #F is the number of flutes

## How to Calculate Chip Thinning Factor?

The following steps outline how to calculate the Chip Thinning Factor.

- First, determine the RPM.
- Next, determine the inches per tooth.
- Next, determine the number of flutes.
- Next, gather the formula from above = CTF = RPM*IPT*#F.
- Finally, calculate the Chip Thinning Factor.
- After inserting the variables and calculating the result, check your answer with the calculator above.

**Example Problem:**

Use the following variables as an example problem to test your knowledge.

RPM = 300

inches per tooth = .25

number of flutes = 3

CTF = RPM*IPT*#F =** ** ?