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  2. Weight class (boxing) - Wikipedia

    en.wikipedia.org/wiki/Weight_class_(boxing)

    Manny Pacquiao has won world championships in eight different weight divisions, more than any other boxer.. In boxing, a weight class is a measurement weight range for boxers.

  3. Orders of magnitude (mass) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(mass)

    However, the names of all SI mass units are based on gram, rather than on kilogram; thus 10 3 kg is a megagram (10 6 g), not a *kilokilogram. The tonne (t) is an SI-compatible unit of mass equal to a megagram (Mg), or 10 3 kg. The unit is in common use for masses above about 10 3 kg and is often used with SI prefixes.

  4. Kilogram - Wikipedia

    en.wikipedia.org/wiki/Kilogram

    The kilogram, symbol kg, is the SI unit of mass. It is defined by taking the fixed numerical value of the Planck constant h to be 6.626 070 15 × 10 −34 when expressed in the unit J⋅s, which is equal to kg⋅m 2 ⋅s −1, where the metre and the second are defined in terms of c and Δν Cs. —

  5. Bantamweight (MMA) - Wikipedia

    en.wikipedia.org/wiki/Bantamweight_(MMA)

    The bantamweight division in mixed martial arts refers to a number of different MMA weight classes, which groups competitors within 126–135 lb (57.2-61.3 kg) The King of the Cage bantamweight class, with upper limit at 145 lb (65.8 kg) [1] The Shooto bantamweight division, which suits competitors below 125 lb (56.7 kg)

  6. Wrestling weight classes - Wikipedia

    en.wikipedia.org/wiki/Wrestling_weight_classes

    55 kg (121 lbs) 60 kg (132 lbs) 65 kg (143 lbs) 71 kg (157 lbs) 80 kg (176 lbs) 92 kg (203 lbs) 110 kg (243 lbs) Juniors (men aged 18 to 20, as well as male youths at age 17 with a medical certificate and parental authorization) compete in freestyle wrestling and/or Greco-Roman wrestling in the following weight classes: [3] 57 kg (126 lbs)

  7. Rail profile - Wikipedia

    en.wikipedia.org/wiki/Rail_profile

    Weight mark "155 PS" on a jointed segment of 155 lb/yd (76.9 kg/m) "Pennsylvania Special" rail, the heaviest grade of rail ever mass-produced Cross-section drawing showing measurements in Imperial units for 100 lb/yd (49.6 kg/m) rail used in the United States, c. 1890s New York Central System Dudley 127 lb/yd (63.0 kg/m) rail cross section

  8. Kickboxing weight classes - Wikipedia

    en.wikipedia.org/wiki/Kickboxing_weight_classes

    60 kg (132.3 lb) Feminine / Masculine Super Lightweight 63.5 kg (140.0 lb) Feminine / Masculine Welterweight 67 kg (147.7 lb) Feminine / Masculine Super Welterweight ...

  9. Human body weight - Wikipedia

    en.wikipedia.org/wiki/Human_body_weight

    Human body weight is a person's mass or weight.. Strictly speaking, body weight is the measurement of mass without items located on the person. Practically though, body weight may be measured with clothes on, but without shoes or heavy accessories such as mobile phones and wallets, and using manual or digital weighing scales.