Divide however many pounds you're lifting by 2.2 and you'll know how many kilograms it is. Or likewise, multiply the kilograms you're lifting by 2.2 to determine how many pounds it is. The United States is one of the only countries that doesn't use the metric system. Of course we still compare ourselves to our friends all over the world. The following table can be used as a quick guide. As for the question, how many Lbs is 100 kgs? As you can see below it's 220.5 pounds.
Kgs Lbs Kgs Lbs Kgs Lbs Kgs Lbs
20 44.2 125 275.6 235 518.1 345 760.6
25 55.1 130 286.6 240 529.1 350 771.6
30 66.1 135 297.6 245 540.1 355 782.6
35 77.2 140 308.6 250 551.2 360 793.7
40 88.2 145 319.7 255 562.2 365 804.7
45 99.2 150 330.7 260 573.2 370 815.7
50 110.2 155 341.7 265 584.2 375 826.7
55 121.3 160 352.7 270 595.2 380 837.7
60 132.3 165 363.8 275 606.3 385 848.8
65 143.3 170 374.8 280 617.3 390 859.8
70 154.3 175 385.8 285 628.3 395 870.8
75 165.3 180 396.8 290 639.3 400 881.8
80 176.4 185 407.9 295 650.4 405 892.9
85 187.4 190 418.9 300 661.4 410 903.9
90 198.4 195 429.9 305 672.4 415 914.9
95 209.4 200 440.9 310 683.4 420 925.9
100 220.5 205 451.9 315 694.4 425 937
105 231.5 210 463 320 705.5 430 948
110 242.5 215 474 325 716.5 435 959
115 253.5 220 485 330 727.5 440 970
120 264.6 225 496 335 738.5 445 981
120 275.6 230 507 340 749.6 450 992.1