Mixing Ratio Calculator

The Mixing Ratio Calculator takes a two-part ratio (like 5:1 for epoxy resin, paint hardener, or two-component adhesives) and tells you exactly how much of each component to use for any batch size. Enter your Part A Ratio, Part B Ratio, and Total Amount Needed, then select your unit (ml, oz, grams, etc.) to get the exact Part A Amount, Part B Amount, and Total Mixture. You can also work backwards — set the calculation mode to a known Part A or Part B amount and the calculator scales the rest automatically.

Ratio value for Part A

Ratio value for Part B

Total amount of mixture needed

Calculate From *

Enter amount if calculating from Part A

Enter amount if calculating from Part B

Results

Part A Amount

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Part B Amount

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Total Mixture

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Part A Percentage

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Part B Percentage

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Frequently Asked Questions

What is a mixing ratio?

A mixing ratio is the proportion of different substances in a mixture, typically expressed as ratios like 5:1 or percentages. It tells you how much of each component you need to create the desired mixture.

How do you calculate mixing ratios?

To calculate mixing ratios, divide the amount of each substance by the total mixture amount, then multiply by 100 for percentages. For example, in a 5:1 ratio, Part A is 83.33% and Part B is 16.67% of the total.

How do you mix a 1:1 ratio?

For a 1:1 ratio, use equal amounts of both substances. If you need 100ml total, use 50ml of Part A and 50ml of Part B. Each component represents 50% of the final mixture.

What is a 2:1 mix ratio?

A 2:1 mix ratio means you use 2 parts of the first substance to 1 part of the second substance. For example, 2 cups of Part A mixed with 1 cup of Part B creates a total of 3 cups of mixture.

Can I use this calculator for different units?

Yes, this calculator works with various units including milliliters, liters, ounces, cups, grams, kilograms, and pounds. The ratios remain the same regardless of the unit used.

How do mixing ratios work with epoxy and resins?

Epoxy and resins often require specific mixing ratios by weight or volume (like 5:1 or 100:15). Following the exact ratio is crucial for proper curing and optimal material properties.

What happens if I don't follow the correct mixing ratio?

Incorrect mixing ratios can result in poor performance, incomplete curing in chemicals, altered taste in food, or ineffective solutions. Always follow manufacturer specifications for critical applications.

How do I convert between weight and volume ratios?

Converting between weight and volume ratios requires knowing the density of each substance. This calculator helps with ratio calculations, but you may need to reference material density charts for conversions.