Rule of 3
Tools In-app purchases Contains ads
Calculate three simple rule quickly and easily!
- Downloads
- 1K+
- on Google Play
- Price
- Free
- In-app purchases
- Updated
- Apr 24
- 2026 · v9
Screenshots
About Rule of 3
The simple three-rule calculator lets you discover a number in proportion to two others that are known.
What’s new
Version 9 · Updated April 24, 2026
Improvements to proportion calculations, performance enhancements and bug fixes for a faster and more accurate experience.
User reviews
Very good.
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Fuel Consumption
| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
| Rule of 3 | – | Free | 1,000+ | Apr 24, 2026 | |
| Name and Number Draw | 3.5 / 5 | Free | 500,000+ | Apr 24, 2026 | Compare |
| Paper Raffle Generator | 3.1 / 5 | Free | 100,000+ | – | Compare |
| Watermark in photos and videos | – | Free | 10,000+ | Apr 22, 2026 | Compare |
| Name Draw | – | Free | 1,000,000+ | Jul 28, 2026 | Compare |
| Stardew Stickers | 2.8 / 5 | Free | 10,000+ | Apr 24, 2026 | Compare |
| Fuel Consumption | – | Free | 5,000+ | – | Compare |
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