⚔️ Free Tool · All Classes · Updated 2026
D&D 5e HP Calculator
Calculate your hit points instantly. Enter your class, level, and Constitution score — get your exact D&D 5e HP in seconds.
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CON Modifier
Multiclass Support
Roll vs Average
Average Hit Points
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📅Last Updated: · Rules verified against the official D&D 5e Player’s Handbook & 2024 Core Rulebook updates · Reviewed by: TrendingClip D&D Editorial TeamLorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.
On This Page
- What Are Hit Points in D&D 5e?
- The D&D 5e HP Formula Explained
- Hit Dice by Class — Full Reference Table
- Average HP Per Level by Class
- Roll vs Average HP — Which Should You Choose?
- Step-by-Step: How to Calculate HP in D&D 5e
- Multiclass HP Calculation Guide
- Common Mistakes & Expert Tips
- FAQ — D&D 5e Hit Points Questions
Whether you’re rolling up your first character or optimizing a high-level Barbarian, using a free D&D 5e HP calculator is one of the smartest moves you can make. This dnd 5e hp calculator covers every official class, Constitution modifier, and multiclass combination from the Player’s Handbook. Hit points are the most critical survival stat in D&D 5e — they determine how long your character stands in a fight, how many risks you can take, and ultimately whether you walk away from an encounter.
Published by Wizards of the Coast and governed by the official Player’s Handbook, the D&D 5e HP formula is elegantly simple — but nuances around Constitution modifiers, multiclassing, and the roll-vs-average debate trip up even experienced players. This guide covers every rule with worked examples, reference tables, and a complete FAQ.
What Are Hit Points in D&D 5e?
Hit points (HP) represent your character’s endurance, fighting spirit, and will to survive. In D&D 5e, HP is not purely physical toughness — it abstracts near-misses, deflected blows, and sheer determination. That’s why a seasoned Fighter can survive many hits that would kill a commoner.
When damage reduces your HP to zero, your character falls unconscious and begins making death saving throws. Fail three, and your character dies. Succeed on three (or receive healing), and you stabilize.
Key HP Concepts Every Player Needs to Know
Maximum HP — your character’s peak health value. Never exceeded except through temporary HP or magic.
- Current HP — your remaining HP after taking damage in combat.
- Temporary HP — bonus HP from spells, class features, or items. Lost first, but does not stack — take the higher value.
- Hit Dice — class-specific dice used both to calculate HP when leveling up and to recover HP during Short Rests. When you hit 0 HP, use our Death Save Tracker to monitor saving throws.
- Constitution Score — the raw number that drives your CON modifier and every HP calculation. Not sure of your modifier? Our Ability Score Calculator converts any score instantly.
- hp 5e and dnd hp follow the same core rules regardless of your character’s race, background, or subclass.
The D&D 5e HP Formula Explained
Hit Dice calculate your HP when you level up AND let you recover HP during Short Rests. You regain all spent Hit Dice after a Long Rest.
The official hit points formula from the Player’s Handbook has two parts — one for Level 1, and one for every level after:
Official D&D 5e HP Formula
Level 1 — Always the Maximum Value
Knowing how to calculate max HP in D&D 5e at Level 1 is essential: you always take the maximum value of your Hit Die at first level — never roll. This is rules as written in the Player’s Handbook.
- A Barbarian (d12) with +2 CON starts with 14 HP (12 + 2)
- A Fighter (d10) with +3 CON starts with 13 HP (10 + 3)
- A Cleric (d8) with +1 CON starts with 9 HP (8 + 1)
- A Wizard (d6) with +0 CON starts with 6 HP (6 + 0)
Official Rule (PHB, Chapter 1)
At Level 1, you take the
maximum
Hit Die value. You only roll — or take the average — from Level 2 onward.
Constitution Modifier — The Most Impactful Stat for HP
Your Constitution (CON) modifier is added to your HP at every single level. This is the single most impactful ongoing bonus in the HP formula. A +3 CON modifier adds +3 HP at every level — totaling +60 HP by level 20.
Does Constitution affect HP retroactively in 5e? Yes. Per the Player’s Handbook: if your CON modifier increases mid-campaign (through an Ability Score Improvement, feat, or magic item), your maximum HP increases retroactively by that amount multiplied by your current character level. For example, if your CON modifier increases from +2 to +3 at Level 8, you immediately gain 8 extra HP.
Constitution Score → Modifier Reference
| CON Score | Modifier | HP Bonus / Level | Total Bonus (Lv 20) | Example Race / Build |
|---|---|---|---|---|
| 8–9 | −1 | −1 HP | −20 HP | Glass cannon builds |
| 10–11 | +0 | +0 HP | +0 HP | Baseline — no bonus |
| 12–13 | +1 | +1 HP | +20 HP | Average survivability |
| 14–15 | +2 | +2 HP | +40 HP | Recommended minimum |
| 16–17 | +3 | +3 HP | +60 HP | Strong frontline builds |
| 18–19 | +4 | +4 HP | +80 HP | Barbarian / Fighter focus |
| 20 | +5 | +5 HP | +100 HP | Maximum base CON |
Hit Dice by Class — Full Reference Table
Every class in D&D 5e uses a specific Hit Die. Your class is the foundation of your HP — choosing the best class for high HP starts here. The table below shows every official class, their Hit Die, and HP benchmarks.
| Hit Die | Classes | HP at Level 1 (+0 CON) | Avg HP / Level | Avg HP at Lv 10 (+2 CON) | Avg HP at Lv 20 (+2 CON) |
|---|---|---|---|---|---|
| d6 | Sorcerer, Wizard | 6 HP | 3.5 + CON | 64 HP | 124 HP |
| d8 | Artificer, Bard, Cleric, Druid, Monk, Rogue, Warlock | 8 HP | 4.5 + CON | 73 HP | 143 HP |
| d10 | Fighter, Paladin, Ranger | 10 HP | 5.5 + CON | 83 HP | 163 HP |
| d12 | Barbarian (highest HP in game) | 12 HP | 6.5 + CON | 93 HP | 183 HP |
* Avg HP columns assume taking PHB average + CON modifier of +2. Actual HP varies with rolled values and CON score.
A Cleric with 14 CON (+2) uses a d8 and averages5 + 2 = 7 HP per level. At Level 20 that’s8 + (19 × 7) = 141 HP. Clerics balance solid HP with potent healing — one of the most durable support classes in 5e.
Average HP Per Level by Class (Level 1–20)
Wondering what the average HP per level in 5e looks like across the game? The table below shows average hit points at key milestones — assuming you take the PHB average at every level (recommended), with a +2 CON modifier.
| Class | Hit Die | Avg HP at Lv 1 | Avg HP at Lv 5 | Avg HP at Lv 10 | Avg HP at Lv 15 | Avg HP at Lv 20 |
|---|---|---|---|---|---|---|
| Barbarian | d12 | 14 | 47 | 85 | 122 | 160 |
| Fighter / Paladin / Ranger | d10 | 12 | 42 | 75 | 108 | 142 |
| Artificer / Bard / Cleric / Druid / Monk / Rogue / Warlock | d8 | 10 | 37 | 65 | 93 | 122 |
| Sorcerer / Wizard | d6 | 8 | 32 | 55 | 78 | 102 |
* PHB average taken at every level. CON modifier = +2 (CON score 14–15). Add +20 HP per column for each additional +1 CON modifier.
The gap between a Barbarian and a Wizard is striking at high levels — approximately 58 HP difference at level 20 before CON is factored in. With a high CON score (20 = +5 modifier), a level 20 Barbarian can reach ~237 maximum HP, while a Wizard averages closer to 107 HP. That’s a 130+ HP survivability gap — a massive difference in frontline durability.
Roll vs Average HP — Which Should You Choose?
Every time you level up, you face a choice: roll your Hit Die and accept the random result, or take the official PHB average. This is one of the most debated decisions at any D&D table.
🎲 Rolling Your Hit Die
Exciting and unpredictable. You could roll maximum (great!) or a 1 (devastating). Over 20 levels, bad luck can leave you significantly below average HP. Best for players who enjoy the randomness of tabletop RPGs.
High Risk / High Reward
📊 Taking the PHB Average
Consistent and reliable. The average is always higher than 1 and predictable every level. D&D Beyond uses the average by default. Best for optimization-focused builds or players who want consistency.
Recommended for Most Players
PHB Average Values by Hit Die
| Hit Die | Rolled (Best) | PHB Average | Rolled (Worst) | Difference (Best vs Avg) |
|---|---|---|---|---|
| d6 | 6 per level | 4 per level | 1 per level | +2 HP / level (max +40 at 20) |
| d8 | 8 per level | 5 per level | 1 per level | +3 HP / level (max +60 at 20) |
| d10 | 10 per level | 6 per level | 1 per level | +4 HP / level (max +80 at 20) |
| d12 | 12 per level | 7 per level | 1 per level | +5 HP / level (max +100 at 20) |
Many DMs allow players to reroll 1s, or use the “half + 1” method (same as the PHB average). Check with your DM before choosing. Our D&D 5e HP calculator supports both rolled and average calculations.
Step-by-Step Guide: How to Calculate HP in D&D 5e
Here is exactly how to determine your hit points in D&D 5e, following the official Player’s Handbook rules. Use our calculator above to automate all 6 steps.
- 1 Find Your Class Hit Die
Use the class table above. Barbarian = d12, Fighter/Paladin/Ranger = d10, most classes = d8, Wizard/Sorcerer = d6.
- 2 Calculate Your CON Modifier
Formula: (CON Score − 10) ÷ 2, rounded down. CON 14 = +2. CON 16 = +3. CON 20 = +5. Use the table in Section 2 for quick lookup.
- 3 Level 1 HP — Always the Maximum
Take the maximum value of your Hit Die + CON modifier. Never roll at Level 1. Fighter with d10 and +3 CON = 13 HP.
- 4 Each Subsequent Level — Roll or Average + CON
Roll your Hit Die or take the PHB average, then add your CON modifier. A Fighter (d10) with +3 CON averages 9 HP per level (6 + 3) from Level 2 onward.
- 5 Sum All Levels
Add every level’s HP result together. That total is your Maximum HP. Example: Fighter 5 with +3 CON = 13 + (4 × 9) = 49 HP.
- 6 Multiclass Adjustment (if applicable)
Only your very first character level ever gets the maximum die value — regardless of which class it is. All subsequent levels (any class) use roll or average.
Multiclass HP Calculation Guide
Calculating hit points when multiclassing is where most players — and many calculators — make mistakes. The rule sounds simple, but it has one critical nuance that changes everything
Level 1 always gets the maximum Hit Die value— but only once, for your very first character level ever. All subsequent levels, regardless of class, use a roll or average. Your CON modifier is added at every level.
Worked Example: Fighter 5 / Wizard 3 (CON +2)
| Level | Class | Hit Die | HP Calculation | HP Gained | Running Total |
|---|---|---|---|---|---|
| 1 | Fighter | d10 | Max (10) + CON (+2) | 12 HP | 12 HP |
| 2 | Fighter | d10 | Avg (6) + CON (+2) | 8 HP | 20 HP |
| 3 | Fighter | d10 | Avg (6) + CON (+2) | 8 HP | 28 HP |
| 4 | Fighter | d10 | Avg (6) + CON (+2) | 8 HP | 36 HP |
| 5 | Fighter | d10 | Avg (6) + CON (+2) | 8 HP | 44 HP |
| 6 | Wizard | d6 | Avg (4) + CON (+2) | 6 HP | 50 HP |
| 7 | Wizard | d6 | Avg (4) + CON (+2) | 6 HP | 56 HP |
| 8 | Wizard | d6 | Avg (4) + CON (+2) | 6 HP | 62 HP |
Notice that taking Wizard levels after level 1 still uses d6 averages (not maximum). That’s the key multiclass rule. Our D&D 5e hit point calculator with Constitution modifier handles all multiclass combinations automatically.
Common Mistakes & Expert Tips
❌ Rolling at Level 1
You always take the maximum Hit Die value at Level 1. Rolling is only for Level 2 onward. This is one of the most common beginner mistakes.
✅ Prioritize CON at ASIs
A +2 CON increase at Level 8 adds 8 HP immediately and +2 HP to every future level. It’s the most efficient HP investment available.
❌ Forgetting CON Applies Every Level
Your CON modifier adds to HP at every level — not just Level 1. Forgetting this can leave you with significantly miscalculated HP totals.
✅ Take the Tough Feat
The Tough feat adds 2 × your character level to max HP, then +2 HP per level thereafter. At Level 20, that’s +40 HP — equivalent to a full stat increase in HP terms.
❌ Wrong Multiclass HP Rule
Only your very first character level ever gets the maximum Hit Die. Many players mistakenly give each new class level its maximum — that is incorrect.
✅ Hill Dwarf Racial Trait
Hill Dwarves gain +1 HP per level through the Dwarven Toughness trait — passively, no investment required. That’s +20 HP by Level 20, stacking with everything.
❌ Confusing CON Score and Modifier
Your CON score is the raw number (e.g. 16). Your CON modifier is what you add to HP (e.g. +3). These are not the same — use the table in Section 2.
✅ Use Hit Dice on Short Rests
During a Short Rest (1 hour), spend one or more Hit Dice to recover HP: roll the die and add your CON modifier. You regain all spent Hit Dice after a Long Rest.
If your CON modifier increases — through an ASI, a feat, or a magic item — your max HP increases retroactively. Multiply the modifier gain by your current level and add it to your max HP immediately.
FAQ — D&D 5e Hit Points Questions
These are the most common questions players ask about calculating HP in D&D 5e, answered directly using the official Player’s Handbook rules.
Step 1: At Level 1, take the maximum value of your class Hit Die + CON modifier.
Step 2: At every level after, roll your Hit Die (or take the PHB average: d6=4, d8=5, d10=6, d12=7) and add your CON modifier.
Step 3: Add all levels together. The total is your Maximum HP.
Level 1: Max HP = Maximum Hit Die value + CON Modifier.
Each level after: HP gained = Hit Die roll (or PHB average) + CON Modifier.
Total Max HP = Sum of all level HP values.
At Level 1, you always take the maximum value of your class’s Hit Die, then add your Constitution modifier. You never roll at Level 1. A Fighter (d10) with +2 CON starts with 12 HP. A Wizard (d6) with +1 CON starts with 7 HP.
Both are valid under official 5e rules. Rolling is more exciting but creates variance — you could end up well below average. Taking the PHB average (d6=4, d8=5, d10=6, d12=7) guarantees consistent growth every level. D&D Beyond uses the average by default. For optimization-focused play or campaigns where HP really matters, average is recommended.
Your Constitution modifier is added to HP at every single level. A +3 CON modifier means +3 HP per level — that adds up to +60 HP by level 20. If your CON modifier increases during a campaign, your max HP increases retroactively by the modifier gain × your current level.
Yes. Per the Player’s Handbook (Chapter 1, Ability Score Improvements): if your CON modifier increases, your maximum HP increases immediately by that amount × your current character level. Example: CON modifier goes from +2 to +3 at Level 8 → gain 8 HP instantly.
Only your very first character level gets the maximum Hit Die value. All subsequent levels — regardless of which class — use a roll or the PHB average + CON modifier. Example: Fighter 1 / Wizard 2 with +2 CON: Level 1 = 12 HP (max d10 +2), Level 2 = 6 HP (avg d6 +2), Level 3 = 6 HP (avg d6 +2). Total = 24 HP.
The Barbarian has the highest HP potential in D&D 5e, using a d12 Hit Die — the largest available. A level 20 Barbarian with CON 20 (+5 modifier) using PHB averages achieves approximately 237 maximum HP. Fighters and Paladins (d10) are strong runners-up with around 192 HP at the same level and CON score.
Conclusion
Mastering how to calculate HP in D&D 5e is a foundational skill for every player. Whether you prefer to roll your Hit Dice or take the PHB average, understanding how your Hit Die, Constitution modifier, class choice, and feats interact gives you complete control over your character’s survivability — and your odds of making it out alive.
This free hp calculator 5e automates every step — from single-class builds to complex multiclass characters across all 13 official classes. Need to calculate hp 5e for a Fighter/Wizard multiclass? Done in seconds. Want to calculate hit points for a Barbarian at level 20 with max CON? The tool handles it instantly. Whether you call it a hit point calculator dnd or a d&d hp calculator, it all works the same — enter your class, level, and CON score, and get your exact maximum HP. No more guessing. Build smarter, survive longer.
