No "weighing" required.  Does a Long Sword weigh/encumber the same as a Lantern?  Not exactly, but close enough!  Allows Old School Style approximation/negotiation
ENCUMBRANCE PCs have 24 Encumbrance/Inventory Slots before becoming Overburdened, 30 max, filling more than 6 assumes a backpack, or other container(s) Most carried/equipped items, in a wide range of sizes, from a Medium Weapon (hand axe, short sword), lantern, 50’ of rope, up to larger items such as Primary Weapons, Rations (1 day) take up one ENC Slot, however… Worn Items clothing and jewelry do not count toward Encumbrance Armor Light = 2 Slots, Medium = 4, Heavy = 6 Oversized Items long/bulky items count as two (or more) slots; Heavy weapons, Medium shields, polearms, longbows, a quiver arrows (20), 100’ rope… Monies 100 Coins / 5 Bars/Ingots / One Brick = 1 slot  Small Items = 3 per slot; torches, Light Weapons... Small bundled items may = one slot; 6 Potions (1oz) in padded pouch, 6 Scrolls/tube... STR Bonus = Number of Bonus slots, do not count toward Encumbrance
MOVEMENT RATES Feet (Indoor) / Yards (Outdoor), per Round # Slots            Enc                 Base               Combat          Running         Miles/Day* 0-6                   Light                120                  40                    240                24 7-12                 Moderate         90                    30                    180                18 13-18               Heavy              60                    20                    120                12 19-24               Burdened        30                    10                    60                   6 25-30               Over                10                    No                   No                   1 * Eight-hour March, see Exhaustion



Back of Char Sheet:
 
ITEMS CARRIED  (* = backpack)                            MV      PARTY/MARCH ORDER 1.  Plate Armor (17 STR, -2 Slots)                                      Fenris 2.  "                                                                                     Altaire 3.  "                                                                           12”     Talbot 4.  "                                                                                     Rose 5.  Longsword +1 (+2 vs Giant Sized Creatures) 6._Short Bow_+2___________________________        SIDEKICK/HENCHMEN     7.  Quiver (16 reg, 3 silvered)                                            Buster    8.  Padded Potion Pouch (2 Heal, 1 Invis)                        Bunko       9.  Torches (3)*                                                           9”    Buggyr   
10. Torches (3 more)*                  11.  Oil Flask*
12._Canteen*__________________________    __       NON-ENC ITEMS 13.  Pouch Gold Pieces (300)*                                        Tunic, kilt, cloak, boots 14.  Ration (1 day)*                                                          Flint/steel 15.  "                                                                         6”     Ring, +1 DEX    16.  " 17.  " 18.                                                                   __            CASH         Gems/Jewelry 19.                                                                                   CP  1       Gold Torc (50GP) 20.                                                                                   SP   30       21.                                                                          3”      EP   17 22.                                                                                   GP   300 23.                                                                                   PP 24.____________________________           

[Image]  Unrelated Link https://www.youtube.com/watch?v=cb24kGrE1l4