Cook's Tool: Online Recipe Quantity Calculator

Cooking constantly tests and stretches our math abilities. 3/8 teaspoons times 7? And wait - how many tablespoons is that now? Quick! The batter is waiting! Thank goodness for conversion charts and Google Calculator.

There's one more online tool we find indispensable - especially when doubling, halving, or multiplying a recipe (wedding cake, say) to feed a crowd.

This resource is low-key and easy to use, but it will make your life so much easier when cooking for a crowd. It's called the Recipe Quantity Calculator, and it takes in the recipe you want to multiply and does all the challenging math work for you.

We like how flexible it is; you can use your own units or the pre-programmed ones. You can also multiply recipes by any factor you like, which means you can halve, or divide by eight, or multiply by 29. Whatever - this takes some of the head scratching out. Because, even if you're very competent at math, recipes can be a little overwhelming sometimes with all their quantities and units. We've found this a very helpful tool when working on big meals or projects.

Recipe Quantity Calculator

Related: Good Tool: Measurement Conversion Charts

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Faith is the executive editor of The Kitchn and the author of three cookbooks. They include Bakeless Sweets (Spring 2013) as well as The Kitchn's first cookbook, which will be published in Fall 2014. She lives in Columbus, Ohio with her husband Mike.