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

245+ iOS apps curated and reviewed
Out of 245+ lathe rpm calculator apps on iOS, 19 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 | Free | — | Yes | No | Jun 2026 | ||
| 4 | Free | 4.8★ (39) | No | No | Oct 2026 | ||
| 5 | Free | — | No | No | Jun 2026 | ||
| 6 | Free | 4.3★ (4) | No | No | May 2026 | ||
| 7 | Free | 5.0★ (1) | No | Yes | Oct 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.








This app provides offline calculations for milling and turning operations. It helps users determine parameters like cutting speed, spindle speed, and metal removal rate. All calculations are saved for easy access in the history tab.