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

242+ iOS apps curated and reviewed
Out of 242+ 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 | May 2026 | |
| 2 | Free | — | No | Yes | Jul 2026 | |
| 3 | Free | — | No | Yes | Aug 2026 | |
| 4 | Free | 4.9★ (24) | No | Yes | Jul 2026 | |
| 5 | Free | — | Yes | Yes | Jul 2026 | |
| 6 | Free | 4.8★ (39) | No | No | May 2026 | |
| 7 | Free | — | Yes | No | Jun 2026 | |
| 8 | Free | — | No | No | Jun 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.














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