Convert kg to lbs or lbs to kg, then watch the weight load onto a barbell with kilo bumper plates or steel plates.
One kilogram is 2.20462 pounds, so to convert kg to lbs you multiply by 2.20462. The pound is defined as exactly 0.45359237 kg, which is the number this converter uses.
Quick gym math: double the kilos and add 10%. 100 kg × 2 = 200, plus 20 = 220 lb (exact: 220.46 lb). 60 kg × 2 = 120, plus 12 = 132 lb (exact: 132.28 lb).
To convert lbs to kg, divide by 2.20462 (or multiply by 0.4536). Quick gym math: halve the pounds and subtract 10%. 225 lb ÷ 2 = 112.5, minus 11 ≈ 101 kg (exact: 102.06 kg).
A kilo gym and a pound gym load the bar differently. Kilo plates are color coded, and the "same" plates aren't quite the same weight: a 20 kg plate is 44.09 lb, while a 45 lb plate is 20.41 kg. That gap adds up. Two plates a side is 140 kg (308.6 lb) in a kilo gym but 225 lb (102.1 kg) in a pound gym.
| Plate | Color | lbs |
|---|---|---|
| 25 kg | red | 55.12 lb |
| 20 kg | blue | 44.09 lb |
| 15 kg | yellow | 33.07 lb |
| 10 kg | green | 22.05 lb |
| 5 kg | white | 11.02 lb |
| 2.5 kg | black or red | 5.51 lb |
| 1.25 kg | silver | 2.76 lb |
| 0.5 kg | silver | 1.10 lb |
| Plate | kg |
|---|---|
| 45 lb | 20.41 kg |
| 35 lb | 15.88 kg |
| 25 lb | 11.34 kg |
| 10 lb | 4.54 kg |
| 5 lb | 2.27 kg |
| 2.5 lb | 1.13 kg |
Bumper plates are thick rubber plates made to be dropped from overhead, as in Olympic lifting and CrossFit. The big ones all share the same 450 mm diameter, so a light bumper still lifts the bar to the right height off the floor. Steel plates, whether calibrated competition plates or plain iron, are much thinner, so far more weight fits on the sleeve. Flip the toggle above to see the difference on the same weight.
Common weights you'll see in a kilo gym, from dumbbells to big barbell lifts, converted to pounds.
| kg | lbs |
|---|---|
| 1 kg | 2.20 lb |
| 2 kg | 4.41 lb |
| 2.5 kg | 5.51 lb |
| 5 kg | 11.02 lb |
| 7.5 kg | 16.53 lb |
| 10 kg | 22.05 lb |
| 12.5 kg | 27.56 lb |
| 15 kg | 33.07 lb |
| 17.5 kg | 38.58 lb |
| 20 kg | 44.09 lb |
| 22.5 kg | 49.60 lb |
| 25 kg | 55.12 lb |
| 30 kg | 66.14 lb |
| 35 kg | 77.16 lb |
| 40 kg | 88.18 lb |
| 45 kg | 99.21 lb |
| 50 kg | 110.23 lb |
| 55 kg | 121.25 lb |
| 60 kg | 132.28 lb |
| 65 kg | 143.30 lb |
| 70 kg | 154.32 lb |
| kg | lbs |
|---|---|
| 75 kg | 165.35 lb |
| 80 kg | 176.37 lb |
| 85 kg | 187.39 lb |
| 90 kg | 198.42 lb |
| 95 kg | 209.44 lb |
| 100 kg | 220.46 lb |
| 110 kg | 242.51 lb |
| 120 kg | 264.55 lb |
| 125 kg | 275.58 lb |
| 130 kg | 286.60 lb |
| 140 kg | 308.65 lb |
| 150 kg | 330.69 lb |
| 160 kg | 352.74 lb |
| 170 kg | 374.79 lb |
| 180 kg | 396.83 lb |
| 190 kg | 418.88 lb |
| 200 kg | 440.92 lb |
| 220 kg | 485.02 lb |
| 250 kg | 551.16 lb |
| 300 kg | 661.39 lb |
Common pound-gym numbers, including the classic plate milestones (135, 225, 315, 405 and 495 lb), in kilograms.
| lbs | kg |
|---|---|
| 5 lb | 2.27 kg |
| 10 lb | 4.54 kg |
| 15 lb | 6.80 kg |
| 20 lb | 9.07 kg |
| 25 lb | 11.34 kg |
| 35 lb | 15.88 kg |
| 45 lb | 20.41 kg |
| 50 lb | 22.68 kg |
| 95 lb | 43.09 kg |
| 100 lb | 45.36 kg |
| 135 lb | 61.23 kg |
| 150 lb | 68.04 kg |
| 185 lb | 83.91 kg |
| 200 lb | 90.72 kg |
| 225 lb | 102.06 kg |
| 250 lb | 113.40 kg |
| 275 lb | 124.74 kg |
| 300 lb | 136.08 kg |
| 315 lb | 142.88 kg |
| 350 lb | 158.76 kg |
| 400 lb | 181.44 kg |
| 405 lb | 183.70 kg |
| 450 lb | 204.12 kg |
| 495 lb | 224.53 kg |
| 500 lb | 226.80 kg |
Loading a specific number? The plate calculator shows exactly which plates go on each side with the plates your gym has. Training off a percentage of your max? Get your numbers in either unit with the one rep max calculator.
Training in a kilo gym on vacation, or following a program written in pounds? GymGod lets you log every lift in lb or kg and keeps your history and PRs in whichever unit you choose.
20 kg is 44.09 lb. That's the weight of a standard men's Olympic barbell and of a blue 20 kg plate. US gyms usually round the bar to 45 lb, but it's really about 44 lb.
45 lb is 20.41 kg. A 45 lb plate is slightly heavier than a 20 kg plate (44.09 lb), so a bar loaded with 45s is a little heavier than the same bar loaded with 20s.
Multiply kilograms by 2.20462. For quick gym math, double the kilos and add 10%: 100 kg doubled is 200, plus 20 is 220 lb (the exact answer is 220.46 lb).
Divide pounds by 2.20462, or multiply by 0.4536. For quick gym math, halve the pounds and subtract 10%: 200 lb halved is 100, minus 10 is 90 kg (the exact answer is 90.72 kg).
Competition kilo plates follow a color code: 25 kg red, 20 kg blue, 15 kg yellow, 10 kg green, 5 kg white, 2.5 kg black (or red on some sets) and 1.25 kg silver or chrome. Pound plates usually aren't color coded.
A 20 kg bumper and a 20 kg steel plate weigh the same. Bumpers are thick rubber plates made to be dropped, so every big plate has the same diameter and fewer fit on the bar. Steel plates are much thinner, so you can load more weight on the same sleeve.
Free for any website, blog or gym page. Copy and paste this code:
GymGod logs your workouts and bodyweight together, so you can see whether the scale is moving for the right reasons.
