Slices of bread
Eating frequency
Teaspoons per slice
People eating
Jar capacity
Jar lasts for
Cost of a jar
Total cost

Bread Spreads Calculator

By Piotr Małek.
Use Bread spreads to evaluate the cost and usage of your favourite spreads.

You enter your kitchen, make a cup tea, grab a few slices of bread and you reach for your favorite Nutella jar. Here it is, you open it while sipping your tea and suddenly the feeling of horror appears on your face. The jar is empty. Again! That's already the 4th one this month, [insert_name_here]! - you shout. Sounds familiar?

Those sweet goodies disappear faster than we can predict and we, addicts, can't do much about it. However, to help you keep track of your spendings on Nutella, peanut butter, jams, hummus, and some others we developed this simple calculator.

First of all, choose the type of product you usually put on your bread. Below we present the list of 8 pretty common ones that we made available in this tool. If your favourite spread didn't make it on the list, check its density and use the most alike product from the list:

Product Name Density (g/cm3) Density (oz/in3) US teaspoon weight (g) US teaspoon weight (oz)
Nutella 1.20 0.69 6.17 0.22
Peanut butter, smooth style, with salt 1.09 0.63 5.38 0.19
Nuts, almond butter, with salt 1.06 0.61 5.21 0.18
Hummus, commercial 1.04 0.60 5.13 0.18
Ricotta cheese, whole milk 1.05 0.61 5.17 0.18
Cottage cheese, creamed, large curd 0.89 0.51 4.38 0.15
Cheese spread, cream cheese base 1.01 0.59 5.00 0.18
Apricot jam 1.35 0.78 6.67 0.24

As you have the density and weight, you can also use our grams to cups converter, to change from teaspoons to cups.

Next, tell us how many slices of bread you put the spread on (crackers will work too!) and how many teaspoons you treat each with (for the purpose of calculation we use here American teaspoons equal 1/3 of American tablespoons or 4.9289 ml). Tell us also how many people in your household share your addiction and how many times per week you eat those sandwiches (we put 7 days per week as default but feel free to change it!). Finally - add information about your jar/container capacity and its price. Our tool will tell you how long it will last and how much you could be spending on these.

For the purpose of making accurate calculations we used product density and weight provided by We set 3 as the default number of teaspoons used based on various online sources but of course this number can be adjusted based on your needs (and how hungry you are!). Keep in mind that values are approximate and don't risk not having your favorite spread because the calculator told you it will last for one more day. Bon Appétit!

Piotr Małek.

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Bread Spreads Calculator