Calculate lathe RPM based on material, designation, and tool type. Supports a wide range of materials and allows for unit changes. Simply input your work diameter to get the RPM value.
Lathe RPM Calculator by Slava Barouline

247+ iOS apps curated and reviewed
Out of 247+ lathe rpm calculator apps on iOS, 18 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 5.0★ (1) | No | No | Aug 2026 | ||
| 2 | Free | — | No | No | Sep 2026 | ||
| 3 | $1.99 | — | No | No | Oct 2026 | ||
| 4 | Free | — | No | Yes | Oct 2026 | ||
| 5 | Free | 4.7★ (49) | No | No | Oct 2026 | ||
| 6 | Free | 1.0★ (1) | Yes | Yes | Oct 2026 | ||
| 7 | Free | 4.6★ (47) | No | No | Nov 2026 | ||
| 8 | Free | — | No | No | Oct 2026 |

Calculate lathe RPM based on material, designation, and tool type. Supports a wide range of materials and allows for unit changes. Simply input your work diameter to get the RPM value.








