Short answer
Bumper Plates vs Iron Plates: Bumper plates are thick rubber plates at a full 450 mm diameter, made to be dropped from overhead. Iron plates, bare or rubber-coated, are thinner and cheaper per pound, and suit squats, presses and deadlifts set down with control.
Key takeaways
- Bumpers are for drops.
- Iron plates are cheaper per pound and thinner.
- Many home gyms use both.
See the rankings: best weight plates and best bumper plates.
Bumper Plates vs Iron Plates at a Glance
Neither is better for everyone: choose by the lifts you do and the floor you train on.
| Bumper plates | Iron plates | |
|---|---|---|
| Dropping | Made for it | Set down with control |
| Thickness | Thick: fewer fit on the bar | Thin: more fit on the bar |
| Noise and floors | Quiet, floor friendly | Loud unless rubber-coated |
| Diameter | Full 450 mm on every plate | Small plates are smaller |
| Price per pound | Usually higher | Usually lower |
Check Amazon for current pricing and availability.
When Bumper Plates Are the Better Choice
Choose bumpers for cleans, snatches and heavy deadlifts you may drop, and for garage floors. See our REP Fitness bumper plates review.
- Drops: made for them.
- Height: 450 mm on every plate.
- Noise: low.
When Iron Plates Are the Better Choice
Choose iron or rubber grip plates for squats, presses and deadlifts set down with control, and to fit heavy loads on the sleeve. See our RitFit rubber grip plates review.
- Price: lower per pound.
- Sleeve room: more plates fit.
- Grip: holes for carrying.
Two Picks Worth a Look
The #1 iron plates and the #1 bumper plates of our rankings. Compare more with our weight plate comparison tool.
Check the warranty terms before you buy: the FTC explains how to read a product warranty.
Iron plates
RitFit Olympic Rubber Grip Plates (85 lb set)
FitScore 71.6/100
85 lb rubber grip set, steel ring, within 1% of the label. Ranked #1 in our best weight plates guide, FitScore 71.6 for that intent.
Check Price on AmazonBumper plates
REP Fitness Black Bumper Plates
FitScore 61.1/100
Steel inserts, 1% tolerance, 3-year home warranty on 25 to 55 lb. Ranked #1 in our best bumper plates guide, FitScore 61.1 for that intent.
Check Price on AmazonChecklist: Bumper or Iron Plates?
6 checks
Tap a number to check off that step.
- 01
Decide if you will drop the bar.
- 02
Check your floor.
- 03
Check the bore: Olympic 2 in.
- 04
Compare the price per pound.
- 05
Check the hub.
- 06
Read the warranty.
Common Mistakes to Avoid
Mistake 1Dropping iron plates.
Mistake 2Buying thin bumpers for heavy loads.
Mistake 3Ignoring the floor.
Mistake 4Skipping collars.
Mistake 5Mixing 1 in and 2 in plates.
The Bottom Line
- Only bumper plates are made to be dropped.
- Iron plates fit more weight on the sleeve.
- Rubber-coated iron plates are quieter than bare iron.
- The Physical Activity Guidelines for Americans advise muscle-strengthening activity at least 2 days each week.
Our Top Picks
Iron platesRitFit Olympic Rubber Grip Plates (85 lb set)FitScore71.6/100Check on Amazon- Bumper platesREP Fitness Black Bumper PlatesFitScore61.1/100Check on Amazon
Frequently Asked Questions
Better for drops and floors; iron plates are cheaper per pound and thinner.
Yes, if you set the bar down with control; drops call for bumpers.
Yes on the same bar, with the bumpers on the inside for drops to the floor.
Rubber is less dense than iron, so a plate of the same weight and diameter is thicker.
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