# Circular Motion Calculator — Calc Speed from Radius & RPM

> Calc Speed from Radius & RPM (iPhone/iPad app by Tan Chia Ling.)

- Source: https://appshunter.io/ios/app/circular-motion-calculator/id1382129481 (this page in markdown: same URL + `.md`)
- Developer: [Tan Chia Ling](https://appshunter.io/developer/321121189)
- Category: Utilities, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: English, French, German, Japanese, Korean, Portuguese, Chinese, Spanish, Chinese
- Released: 2018-05-24
- Data updated: 2026-05-12
- User reviews in markdown: https://appshunter.io/ios/app/circular-motion-calculator/id1382129481/reviews.md

## What is Circular Motion Calculator?

Circular Motion Calculator is the essential physics tool for solving circular motion problems instantly. Whether you're a student, teacher, or engineer, get accurate results for all key circular motion equations in seconds.

8 Built-In Solvers:
• Centripetal Force — Calculate force from mass, velocity, and radius
• Centripetal Acceleration — Find acceleration in circular paths
• Angular Velocity — Convert between angular speed, frequency, and period
• Linear Velocity — Determine tangential speed from angular velocity and radius
• Period & Frequency — Quickly switch between period and frequency values
• Banked Curve — Solve for the ideal banking angle on curved roads
• Conical Pendulum — Analyze pendulum motion with string length and angle
• Vertical Circle — Find minimum speed and normal forces at top and bottom

Key Features:
• Interactive Visualizer — See circular motion concepts come to life
• Formula Reference — Quick-access guide to all circular motion equations and variables
• Calculation History — Review and revisit past calculations
• Multiple Unit Systems — Work in SI or other unit systems
• Clean, Intuitive Interface — Designed for fast input and clear results

Localized in 9 Languages:
English, German, Spanish, French, Japanese, Korean, Portuguese (Brazil), Simplified Chinese, and Traditional Chinese.

Perfect for AP Physics, IB Physics, college mechanics courses, and professional engineering applications. Stop struggling with circular motion formulas — let the app do the math for you.

Download now and master circular motion physics!

Thank you for your support, and feel free to visit nitrio.com for more apps for your iOS devices.


## Version history (last 5 releases)

### 1.5 — 2026-04-17

- Optimized for the latest devices.
- Fixed minor bugs.
- Improved and redesigned the UI.

### 1.3 — 2026-01-21

- Updated for the newest devices.
- Minor bugs fixed.

### 1.2 — 2024-01-31

- Updated for the newest devices.
- Minor UI update.
- Minor bugs fixed.

### 1.1 — 2020-12-07

- Update for Newest Devices
- Bug Fixed

### 1.0 — 2018-05-12

No release notes.

## Apps similar to Circular Motion Calculator

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Transformer Calculator.](https://appshunter.io/ios/app/transformer-calculator/id1506155081) | 4.8 (47) | Free | Utilities |
| [Torricelli](https://appshunter.io/ios/app/torricelli/id1577893613) | — | $2.99 | Utilities |
| [Circular Corner Calculator](https://appshunter.io/ios/app/circular-corner-calculator/id1640028642) | — | $2.99 | Utilities |
| [Geomulator](https://appshunter.io/ios/app/geomulator/id894916514) | 1.0 (1) | $1.99 | Utilities |
| [Slope Calculator & Arc Finder](https://appshunter.io/ios/app/slope-calculator-and-arc-finder/id1445840295) | 2.3 (3) | $3.99 | Utilities |
| [Highways & Roadwork Calculator](https://appshunter.io/ios/app/highways-and-roadwork-calculator/id661032270) | 3.7 (3) | $2.99 | Utilities |

## More apps by Tan Chia Ling

- [Coloring Book - Plus](https://appshunter.io/ios/app/coloring-book/id500418548)
- [Resistor Plus](https://appshunter.io/ios/app/resistor-plus/id500615686)
- [Premium Clock Plus](https://appshunter.io/ios/app/premium-clock-plus/id502784721)
- [Gold Luxury Clock](https://appshunter.io/ios/app/gold-luxury-clock/id505043266)
- [Ohm Law Calculator](https://appshunter.io/ios/app/ohm-law-calculator/id505900137)
- [Premium Clock](https://appshunter.io/ios/app/premium-clock/id517487778)

All apps by Tan Chia Ling: https://appshunter.io/developer/321121189

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-12.*