Equivalent Ratio Calculator

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Result

What is Equivalent Ratio Calculator?

Equivalent ratios express the same proportion in different numbers. Just like 1/2 and 2/4 are equivalent fractions, 3:5 and 6:10 are equivalent ratios.

Finding equivalents of 3 : 5
1
Input
3 : 5
→
2
× 4
12 : 20
→
✓
Result
12 : 20

Equivalent Ratio Calculator Formula

Every ratio generates an infinite series of equivalents. Here are some common ones.

2 : 3
= 4:6 = 6:9 = 8:12
1 : 4
= 2:8 = 3:12 = 5:20
5 : 7
= 10:14 = 15:21 = 25:35

When to Use Equivalent Ratios

Equivalent ratios are essential in scaling, proportion problems, and real-world applications.

📐
Scale Models
Maintain proportions when resizing
🧪
Chemistry
Scale chemical formulas & reactions
🍳
Cooking
Scale recipes proportionally
FAQ

FAQ: Equivalent Ratios

Common questions about finding equivalent ratios.

Two ratios are equivalent if they represent the same proportion. For example, 2:3 and 4:6 are equivalent because 4:6 simplifies to 2:3.
Multiply (or divide) both terms of the ratio by the same non-zero number. For example, 3:5 × 4 = 12:20.