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Rule of Three Easy

Rule of Three Easy

Calculate cross-multiplication

1 ratings
10 reviews
With Ads
🔧 Utilities
📊 Productivity
Free
With Ads

Details

Released
February 15, 2021
Updated
August 18, 2025

Features

Developer

Marcio Rocha da Rosa
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Rule of Three Easy screenshot #1 for iPhone
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Rule of Three Easy screenshot #3 for iPhone
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❓7 answered
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About

This utility app simplifies calculations involving proportional quantities, commonly known as the rule of three or cross-multiplication. It helps solve everyday problems like adjusting recipe ingredients or calculating fuel consumption quickly and easily.

✓Rule of three calculations
✓Cross-multiplication solver
✓Recipe ingredient adjustment
✓Fuel consumption calculation
✓Proportional quantity finding
Show original description

What's New in Rule of Three Easy

3.5.4

August 18, 2025

Icon size fixed. Updated app libraries.

User reviews

Most RecentHighest RatedLowest Rated

Ótimo

App de regra de 3. Excelente para calcular preços em supermercados, por exemplo.
Bbrutaro

Ótimo

Aplicativo facilita a vida
Sempre rápido e prático
EWeu wzr

Perfeito!

O aplicativo é simples, fácil e intuitivo.
MMatheus.levy

Bom

Seria melhor se ele calculasse direto, sem precisar apertar o botão “Calcular”, e se o teclado mostrasse só números
Jjasmine197328737

Simples e fácil

Aplicativo essencial pro dia a dia. Simples e fácil de usar
PPimentel23

Response from developer

Muito obrigado.

See 5 more reviews

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FAQ

What is Rule of Three Easy used for?

Rule of Three Easy is used to calculate proportional quantities, also known as cross-multiplication. It helps with tasks like adjusting recipe ingredients or calculating fuel consumption.

Is Rule of Three Easy free to use?

Yes, Rule of Three Easy is a free app, though it does contain advertisements.

Does Rule of Three Easy have ads?

Yes, Rule of Three Easy contains advertisements.

What devices can I use Rule of Three Easy on?

Rule of Three Easy is available for iPhone and iPad devices.

What is the age rating for Rule of Three Easy?

Rule of Three Easy has an age rating of 4+, making it suitable for young users.

How often is Rule of Three Easy updated?

The latest version of Rule of Three Easy was released on August 18, 2025, indicating regular updates.

What is the user rating for Rule of Three Easy?

Rule of Three Easy has a perfect rating of 5.0 stars based on one review.