calibrated powerlifting plates 45lb hero
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Bells Calibrated Powerlifting Plates LB


Competition-quality calibrated plates that are accurate to within +/- 10 grams of claimed weight, at an excellent price.

All sets include as many 55 lb’s as you choose, and one pair each of 45, 35, 25, 10, 5, 2.5, 1, 0.5, 0.25 lb plates.

FEATURES • Machined steel • Weight tolerance +/- 10g • Colour-coded • 50.4mm center hole • Weights in LB • Sold in pairs & sets





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Exceptionally accurate calibrated plates, without the ridiculous price tag.

Powerlifting contests are done using calibrated plates, yet most commercial gyms use generic plates

that are notorious for being inaccurate — sometimes, up to 10% off their claimed weight *GASP!*


And to land the podium in the big leagues, you need your training plates to weigh EXACTLY what they say they are, not plus or minus, well…. anything!

Bells of Steel calibrated plates are certified for accuracy by the Canadian Government

Calibrated Plates Wheight Certification Page 1

Benefits of Calibrated Plates

    Regular weight plates can be up to +/-10% from the claimed weight, which throws a lil’ bit of a curveball in your plans if you compete in powerlifting. I mean, it’s a sport where literally every pound matters. Off by half a pound on your best deadlift because your inaccurate plates gave you false expectations? It could cost you a podium finish. With our calibrated plates, you’ll know EXACTLY how much you’re lifting in training, so you’ll know your record-breaking attempts are right on the money.
    These calibrated plates don’t quite match IPF specs. I mean, they’re NOT approved by the IPF in the first place, but they do check the key boxes: standardized diameters, correct colour-coding, and guaranteed to be within +/-10 grams of the claimed weight. The thing is, they’re made in pounds instead of kilograms because, well… #freedomunits. But, don’t let that rain on your parade, they still make excellent training plates for powerlifting.
    Calibrated plates are the powerlifting behemoth’s dream come true. The heaviest of the set (55lb) is only 28.5mm thick, which is barely over 1-inch. And when compared to our slim Machined Plates, our calibrated plates are 20% thinner, making them 30% thinner than the industry standard — talk about thin! Oh and don’t worry… your up-and-coming 1,000lb deadlift will fit on a powerlifting bar without a single issue 😉
    If you’ve ever pulled your 1 rep max with pound plates AND with calibrated plates, you know that the two aren’t quite the same. Calibrated plates are thinner and don’t extend so far on the sleeves of the bar, so there’s less flex in the barbell which makes the pull noticeably harder. Which is maybe something important to test out before you try to hit a personal record on your final pull? It might seem minor but if you train like you compete, you’ll be a step ahead of your competitors. To learn more, check out What Are Calibrated Plates.


BrandBells of Steel
Plate DiameterVaries
Hole Diameter1.98"/50.4mm
CoatingPowder Coat
MaterialMachined Iron
Tolerance+/- 10 Grams
WarrantyLimited Lifetime

IMPORTANT: Due to a small error at our factory, the 0.5lb & 2.5lb plates are missing the letter “s” in our name and instead read “Bell of Steel”.

Frequently Asked Questions

Customer Reviews
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Filter Reviews:
Chris W.
  • My Fitness Goal Is: Health and Get Stronger

55 LB Calibrated Plates

I bought these plates due to the lack of space on my Safety Squat bar. These plates have worked perfectly and given me the room I need to keep getting the gains I was working for. Worth the price. The only negative was the package. The plates got scratched during shipping.

Bells of Steel Bells Calibrated Powerlifting Plates LB Review

Bells of Steel

Hi Chris, Thank you so much for taking the time to review our 55lbs calibrated plates, and for such an awesome review. We are so glad you are enjoying your new plates and continue to make gainz. We are sorry about the shipping issue. Please feel free to contact us at with any questions or concerns. Best, Marcus & the BoS team

Louise G.
  • My Fitness Goal Is: To get myself and others stronger

Good overall

Paint does chip due to coating on the plate but for the price, it can’t be beat. It’s great quality outside of that. I like the lip on the plates too - makes it easier to pick up.

Bells of Steel Bells Calibrated Powerlifting Plates LB Review

Bells of Steel

Hey Louise, Thank you for the review, We are happy we provide you with the best bang for you buck! Enjoy all the gainz Yours in strength, William & the BoS crew

Ryan E.
  • My Fitness Goal Is: World Record Masters Powerlifting

Competition KG Powerlifting Plates

love these plates, love the design. The texture makes them easy to handle and not slip out of your hands. As good, if not better than most Certified brands. Will be adding plenty more of these plates.


Bells of Steel

Hey Ryan, Thank you for the review, we are happy to know you are loving the plates. Enjoy all the PRs. Yours in strength, William & the BOS crew

Rich E.
United States United States
  • My Fitness Goal Is: To be in great shape

You get what you pay for

I chose BOS calibrated plates due to the fact they are one of the cheaper options on the market but if i had to do it again i would spend the extra money and go with another experienced company. The plates were delivered exactly one month after i placed my order so if you dont feel like waiting a month, i would look at other options. They had to ship my order with UPS and freight due to the size of it. What they didnt tell me is that i would have to Drive an hour to pick up my order as my home does not have a truck lift to get the pallet off the truck. I could have paid extra money and had it delivered but i signed up for free delivery with these plates so i wasnt thrilled. Lastly the 2.5lb plates are missing the white paint on the letters and numbers. Some plates are already chipped and the color of the plates is already rubbing off on my plate holders. The white paint looks very unclean and lines are not crisp like a brand like rogue would provide.


Bells of Steel

Hey Rich, I want to thank you for your honest review, we would like to apologize for the issues with the carrier and with the condition of the plates. I have reached out via email to try and resolve this with you. Yours in strength, William