•To Calculate Hitpoints, Attack, Strength, and Defence xp the formula is: Take your level and square it(multiply by itself) then divide by 600, after dividing, round down to the nearest whole integer and multiply by 525

•To Calculate Ranged and Magic xp the formula is: Take your level and square it(multiply by itself) then divide by 600, after dividing, round down to the nearest whole integer and multiply by 480

•To Calculate Prayer xp the formula is: Take your level and square it(multiply by itself) then divide by 600, after dividing, round down to the nearest whole integer and multiply by 270

•To Calculate Slayer xp from level 1 to 29 the formula is: (L = lvl) Multiply 6.7 to 1.1052 powered to your level and round the result to the nearest integer

•To Calculate Slayer xp from level 30 to 99 the formula is: Multiply 0.002848 to your squared level, and multiply 0.14 with the natural (base e) logarithm of your level then sum both, after summing, round the result to the nearest integer and multiply by 45.