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<h1 class="nist-page__title">Weighing Your Purchases: How New Laws May Help You Become a Savvier Online Shopper</h1>
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<div class="daterange"><time datetime="2024-03-01T12:00:00Z">March 1, 2024</time>
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<span>By: </span>
<a href="/blogs/taking-measure/authors/john-mcguire" hreflang="en">John McGuire</a>
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<img alt="Two photos: grocery store shelves packed with coffee products; a tablet showing an online store for coffee. " height="344" loading="lazy" src="/sites/default/files/images/2024/02/07/Shopping.png" typeof="foaf:Image" width="900">
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<figcaption class="nist-image__caption">Whether you buy your coffee online or in the store, in bean form or pre-ground, new rules will soon make it easier to know you’re getting what you’re paying for.<div class="nist-image__credit">
<span class="nist-image__credit-label">Credit:</span>
Sheila Fitzgerald/Shutterstock, thechatat/Shutterstock
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<p>In most states, if you go to a store and need to buy a box of aluminum foil, the manufacturer must tell you exactly how much foil you’re getting for your money.&nbsp;</p><p>This allows the consumer to compare multiple products quickly and figure out how much they’ll pay per meter or foot, for example. The product label must clearly state what the product is and who the manufacturer or distributor is, as well as the length and width of the foil.&nbsp;</p><p>This is a simple example of how weights and measures affect your daily life — and you may not even realize it. When you buy something, the seller must disclose certain things, especially how much you’re getting for the price.&nbsp;</p><p>But what happens when we buy things online?&nbsp;</p><p>Right now, online stores are not as regulated as the in-person stores we shop in. But that will soon change in many states with the adoption of a <a href="/pml/owm/nist-handbook-130-current-edition" data-entity-type="node" data-entity-uuid="d2fe7244-4c76-492b-bdf6-1ac3ee9b3143" data-entity-substitution="canonical" title="NIST Handbook 130 - Current Edition">model regulation</a>. This regulation will take effect Jan. 1, 2025.&nbsp;</p><p>The NIST Office of Weights and Measures collaborates with a national organization, the <a href="https://www.ncwm.com/">National Conference on Weights and Measures</a> (NCWM), to develop model regulations — distributed via <a href="/pml/owm/nist-handbook-130-current-edition" data-entity-type="node" data-entity-uuid="d2fe7244-4c76-492b-bdf6-1ac3ee9b3143" data-entity-substitution="canonical" title="NIST Handbook 130 - Current Edition">NIST handbooks</a> — that spell out model laws &nbsp;for weights or measures.&nbsp;</p><p>While NIST does not regulate weights and measures, most states and territories adopt the handbook as their regulations. States also enforce their own weights and measures regulations; NIST does not do any of this enforcement. &nbsp;</p><p>In places that adopt the regulations, online merchants who sell to customers there will have to follow specific rules to disclose to you what exactly you’re buying and how much you’re getting.&nbsp;</p>
<div class="align-center nist-image--lightbox nist-image" data-lightbox="https://www.nist.gov/sites/default/files/styles/2800_x_2800_limit/public/images/2023/02/28/weights%20and%20measures%20week%202023%20graphic.png?itok=k2Kljpyk" data-media-id="666261">
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<div class="nist-image__credit">
<span class="nist-image__credit-label">Credit:</span>
N. Hanacek/NIST
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<p>That’s the goal of everything we do in weights and measures — we want consumers to be well informed about what they’re buying and get the best value for their money. These rules will also help promote fair competition between physical stores and online stores.&nbsp;</p><p>This is especially important for buyers shopping online because you can’t physically touch the product and look at labels the way you can in a store. There are many examples where shoppers may need extra help buying something online versus in a physical store.&nbsp;</p><p>Let’s say you’re buying coffee from an online store. There are many ways to buy coffee. You might buy the pods, so you need to know how much coffee and how many pods you’re getting. Or you may buy the coffee in bean form and grind the beans yourself. You can also get coffee already ground.&nbsp;</p><p>In all three of these cases, you need to know exactly how much you’re getting. This can be challenging when you can’t see the size differences between the packages of coffee immediately, as you could in a physical store.&nbsp;</p><p>The new regulations will require online merchants to disclose this information, including exactly what you’re buying and how much you’re getting.&nbsp;</p><h2>Weighing In to Inform Buyers</h2><p>I’ve been <a href="/people/john-mcguire" data-entity-type="node" data-entity-uuid="c7361b50-43f3-46aa-bb27-c9acc2b36b6c" data-entity-substitution="canonical" title="John McGuire">working in weights and measures</a> since 1991. I started working for New Jersey’s Office of Weights and Measures, testing and inspecting the large scales that weigh trucks on the highway. I later worked inspecting refineries and meters that deliver fuel to the gas station, ensuring people were getting what they paid for at the gas pump. &nbsp;</p><p>Later in my career, I became the head of weights and measures enforcement for New Jersey. This job involved dealing with a lot of fascinating issues, such as prices per unit of measure, known as <a href="/blogs/taking-measure/unit-price-right" data-entity-type="node" data-entity-uuid="e1282253-aeb6-45f3-9678-11a1884dbb8a" data-entity-substitution="canonical" title="The Unit Price is Right">unit pricing</a>, or what actually constitutes a T-bone steak. It’s surprisingly complex.</p><div class="nist-callout"><p>It’s interesting to me how weights and measures work can be affected by the latest shopping trends. I remember when the George Foreman grill — an indoor grill that drains fat by cooking food at an angle — first came out. People bought 95% lean ground beef and noticed lots of fat draining into that drip tray when cooking it with their grill. We received lots of complaints about that in the office. In this case, we ran tests and procedures to make sure the meat’s fat content was accurately conveyed to the shopper. &nbsp;</p></div><p>In my role at NIST, I’m working with our state weights and measures partners around the country, essentially helping people who are doing the job I used to have. I provide training and host webinars to help weights and measures officials with their work. In the last several months, I’ve been hosting webinars with state weights and measures officials on a new NCWM national survey to ensure stores are <a href="/news-events/news/2024/01/2024-national-price-verification-survey" data-entity-type="node" data-entity-uuid="21cfe1dd-3314-404d-97e0-bfa7bdb622f2" data-entity-substitution="canonical" title="2024 National Price Verification Survey">pricing their items accurately</a>.&nbsp;</p><p>I really enjoy this work — especially knowing that I’m playing a role in helping to make sure that both businesses and consumers get a fair deal in the marketplace.&nbsp;</p><h2>Taking My Weights and Measures Knowledge to the Store</h2><p>When you think about weights and measures all day, it can be hard to turn that part of your brain off.&nbsp;</p><p>My wife does not necessarily like it when I go to the store with her. I know we have to step away from our jobs, but it’s very challengin
</div>
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<div class="nist-tags">
<a href="/blogs/taking-measure/categories/249051">Metrology</a>,
<a href="/blogs/taking-measure/categories/2746611">Weights and measures</a>,
<a href="/blogs/taking-measure/categories/249341">Standards</a>,
<a href="/blogs/taking-measure/categories/249416">Calibration services</a> and
<a href="/blogs/taking-measure/categories/249391">Standards education</a></div>
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<h2
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<h3 class="nist-teaser__title"><a href="/blogs/taking-measure/authors/john-mcguire"><span>John McGuire</span>
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<div class="text-with-summary"><p>John McGuire is the Weights and Measures Coordinator at NIST. He has more than three decades of experience in weights and measures in the state of New Jersey. John has also served in working groups and committees for regional weights and measures associations and the National Conference on Weights and Measures.</p></div>
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<div class="entity-reference"> <a href="/blogs/taking-measure/4-places-weights-and-measures-help-you-get-what-you-pay" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2023/02/28/weights%20and%20measures%20week%202023%20graphic.png?itok=2qx0ELS3" width="100" height="63" alt="Graphic with text that reads &quot;Weights and Measures&quot; and shows fish at a seafood counter, a bag of mulch, a grocery checkout, and a gas pump. Color scheme is orange and purple. " typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/blogs/taking-measure/4-places-weights-and-measures-help-you-get-what-you-pay"><span>4 Places Weights and Measures Help You Get What You Pay For</span>
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<div class="daterange"><time datetime="2023-03-01T12:00:00Z">March 1, 2023</time>
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<div class="text-with-summary"> Here at NIST, we are committed to making sure you get what you pay for when buying something based on weight or measure, such as food or fuel.
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<div class="entity-reference"> <a href="/blogs/taking-measure/us-weights-and-measures-week-measuring-new-normal" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2021/03/03/WeightsandMeasuresWeek_960x600-01.png?itok=NQBz8RHl" width="100" height="63" alt="representation of weights and measures at a packaging plant, a manufacturing plant and a supermarket. " typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/blogs/taking-measure/us-weights-and-measures-week-measuring-new-normal"><span>U.S. Weights and Measures Week: Measuring Up to the New Normal</span>
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<div class="daterange"><time datetime="2021-03-04T12:00:00Z">March 4, 2021</time>
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<div class="text-with-summary"> Each year during national Weights and Measures Week (March 1 to 7), we celebrate the contributions made by the weights and measures community to ensure accuracy
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<div class="entity-reference"> <a href="/blogs/taking-measure/busting-myths-about-metric-system" hreflang="en"><img loading="lazy" src="/sites/default/files/styles/thumbnail/public/images/2017/09/19/DSC_7077-edited.jpg?itok=bDR9KQKt" width="100" height="100" alt="Elizabeth Gentry holding a kilogram test weight in the weights and measures training lab" typeof="foaf:Image" />
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<h3 class="nist-teaser__title"><a href="/blogs/taking-measure/busting-myths-about-metric-system"><span>Busting Myths about the Metric System</span>
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<div class="daterange"><time datetime="2020-10-06T12:00:00Z">October 6, 2020</time>
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<div class="text-with-summary"> This year will be the 45th anniversary of the Metric Conversion Act, which was signed on December 23, 1975, by President Gerald R. Ford. Normally, we celebrate
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<p class="submitted">
<span class="nist-comment__author"><span lang="" typeof="schema:Person" property="schema:name" datatype="">Robert Pandola </span></span>
on
<span class="nist-comment__date">April 24, 2024 6:27 AM</span>
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<div class="text-long"><p>I have worked with John Nad he is the weights and Measures guru...all of what this article is about isost helpfully to all consumers...so listen up and check the products you are about to purchase for the proper weight and size before you make the commitment to purchase. Thank you John for the great information</p>
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