Instantly calculate your character’s hit points in Dungeons & Dragons 5e. Our D&D Health Calculator helps you determine your total HP based on class, level, Constitution modifier, multiclass options, and optional feats like Tough. Choose between average or rolled hit points and get accurate results for your campaigns.

What Is the DnD Health Calculator?

This calculator lets you quickly compute your character’s total HP in DnD 5e. By entering your class, level, Constitution modifier, and other options, you’ll know exactly how durable your hero is before heading into battle.

How Hit Points Are Determined in 5e

At level 1, your character gets the maximum of their hit die (e.g. 10 for Fighter) plus Constitution modifier. From level 2 onwards, you can either roll the die or take the average. Constitution modifier applies at each level and significantly affects survivability.

Why Max HP Matters in Gameplay

Your hit points determine how long you last in combat, how many spells or traps you can survive, and whether you go down during boss fights. Properly calculating HP is essential to every D&D campaign.

How to Use the D&D Health Calculator

Step 1 – Select Class and Level

Pick your character’s main class (e.g. Wizard, Barbarian) and set their current level. For multiclassing, add additional classes and levels below.

Step 2 – Enter Constitution Modifier

Input your character’s Constitution modifier. This is typically based on their CON score divided by 2 (rounded down, minus 10).

Step 3 – Choose Average or Rolled HP

Decide whether you want to take the average HP per level (recommended for consistency) or simulate a rolled value for a more randomized experience.

Step 4 – Add Feats or Traits (Optional)

Include feats like Tough (which adds 2 HP per level), or racial traits like Dwarven Toughness to reflect bonus hit points.

Rolling vs. Taking Average Hit Points

Pros and Cons of Rolling for HP

• Pros: Possibility of high rolls and more HP than average
• Cons: Risk of low rolls and a squishier character

When to Choose Average Instead

Most players prefer the average method to avoid poor survivability. Average is typically (Hit Die ÷ 2) + 1 per level after 1st, plus Constitution modifier.

Multiclass and Tough Feat Considerations

How Multiclassing Affects Hit Dice

Each class in DnD 5e has a specific hit die. When multiclassing, you use the hit die of the class you take levels in. For example, a Fighter 3 / Wizard 2 would use d10 for Fighter levels and d6 for Wizard levels.

Feats That Influence HP

• Tough Feat: Adds +2 HP per level
• Dwarven Toughness: Adds +1 HP per level

Sample Hit Point Calculations

Level 10 Fighter with +2 CON (Average)

Level 1: 10 + 2 = 12
Levels 2–10: (6 + 2) × 9 = 72
Total HP = 84

Multiclass: Sorcerer 5 / Warlock 5, +3 CON, with Tough feat

Level 1: 6 + 3 = 9
Levels 2–5 Sorcerer: (4 + 3) × 4 = 28
Levels 6–10 Warlock: (4 + 3) × 5 = 35
Feat: +2 × 10 = 20
Total HP = 92

Variant Human with Tough and Dwarven Toughness at Level 5 Barbarian, +2 CON

Level 1: 12 + 2 + 1 = 15
Levels 2–5: (7 + 2 + 1) × 4 = 40
Tough Feat: +10
Total HP = 65

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Frequently Asked Questions

How is HP calculated at level 1 in DnD 5e?

You take the maximum of your class hit die and add your Constitution modifier. For example, a Fighter with +2 CON has 12 HP at level 1.

What’s the best way to get more HP?

Increase your Constitution score and take the Tough feat. Both add HP every level.

Does Constitution apply retroactively?

Yes. If your Constitution modifier changes, it applies to all existing levels, increasing your total HP.

Is the Tough feat worth it?

Yes, especially for front-line classes. +2 HP per level adds up quickly and improves survivability.

How does HP work for multiclass builds?

Each class level adds HP based on its own hit die. You calculate each level separately, adding your Constitution modifier and any applicable feats.