#How to calculate dmg 5e how to
#How to calculate dmg 5e manual

Get the monster's hit die type from page 276 of DMG or page 7 of the Monster Manual. Get your target HP from the Monster Statistics table on page 274 of DMG.

Get the target Challenge Rating (CR) of a monster from your 3.5 source material. For example: 16 times an average of 5.5 is 88.ДЄdd the 32 CON bonus for 120, which is exactly your target HP.

In this example: 16d10 + 32.Д¬heck your work by multiplying the hit die by the average roll, and then add the bonus. That's expressed as the number of hit die plus. To get to 120 with average rolls of 7.5 each time, the monster requires this formula: 120 (your target HP according to the DMG) divided by 7.5 (hit die average) for a result of 16 hit die.

#How to calculate dmg 5e manual

The average of a d10 is 5.5 (according to the Monster Manual table, and also math) but for this monster, the average is 5.5+2 CON, for 7.5 each roll. This means that the monster's HP roll is actually 1d10+2, not just a d10 as indicated in the table. What the rule averages out to is this: the CON modifier of a monster gets added to its hit die roll.ДЄssume the monster you are converting has 14 CON for a +2 modifier. It's easiest to incorporate this into your initial calculation (you can do it at the end, instead, but then you have to go back and adjust, which is doing all the work twice or thrice). The Monster Manual states that a monster's CON modifier gets multiplied by the number of its hit die, and the result is added to its HP.

Not all of that HP comes from hit die, though. If the monster you're converting was CR 4 in 3.5, reference the CR 4 line in the table: AC 14 is confirmed, and a total of 116 to 130 HP is expected.Д¬all it 120 for the sake of this example (because round numbers are easier). This table gives you everything you need to know. That answers what kind of die to use for hit die, but it doesn't address how many hit die the monster should be assigned.ДЇor that, turn to page 274 of your Dungeon Master's Guide, containing a table called Monster statistics by Challenge Rating. The conversion document fails to mention this, but the hit points (derived from a creature's hit die, just like a player character' HP is) are provided in the D&D Monster Manual on page 7, organized by size. Generally, though, the ability scores are a no-brainer. You shouldn't build a creature with a +3 bludgeoning attack bonus, but a STR of 10 just because 3.5 granted the attack through a feat that 5e doesn't have. Sometimes you might have to adjust numbers to account for a flavourful special skill. 8 is 13.6.ДЄbility scores between 3.5 and 5e usually stay the same. Since you are subtracting 20%, you are by definition keeping 80% (or. Percents are harder to calculate, but you can use a calculator if needed. That's (17 + 11) divided by 2, which resolves to 28/2 for 14.ДЄlternately, you can take 20% off of just the Third Edition AC (17 in this example). The maximum is 22.ДЇor example, assume a creature has AC 17 and Touch AC 11 in Third Edition. The math is simple: you can either use the average of touch AC and AC, or 20% lower than in 3e. If you embark on a conversion to 5e, don't rely on my notes here: read the whole conversion document carefully!ДЄssuming you promise to do that, here are notes from my time converting monsters and player characters from 3.5 to 5e.ДЄ quick note: I refer to 3e, Third Edition, 3.5, and Pathfinder interchangeably because in terms of lineage, spirit, and math, there's essentially no difference, and in real life, I use books from both 3.5 and Pathfinder. In that case, you need to do a careful conversion, and the Wizards of the Coast conversion document explains this in detail. Maybe you run a strict game based heavily on stats, where even just 1 extra hit point could mean the difference between player character death and victory. Sometimes, approximation just doesn't feel right. I've run several Pathfinder and 3e modules for 5e, and all I've had to do is adjust the obvious stuff: instead of a Disable Device skill check, you ask for a Dexterity check, and so on.ДЄny DM is used to having to invent a DC target in the moment, so adjusting for that comes naturally.Д®nemies tend not to last too long anyway, so hasty conversions of an unusual Pathfinder-only NPC class to whatever's 'close enough' in 5e tends to work pretty well.

#How to calculate dmg 5e how to

I got a lot of great feedback about my previous article, How to Convert D&D monsters to 5e, so it's obviously time for the same article for Third Edition (or 3.5, realistically).ДЇor the longest time, I never really bothered converting from 3.5 to 5e, because I found them to be relatively easy to convert in real time.