🎲 D4 Dice Roller
Roll a 4-sided tetrahedron die for magic missiles, daggers and more.
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About D4 Dice Roller Dice
Roll a 4-sided tetrahedron die for magic missiles, daggers and more.
Use this free online dice roller anytime — perfect for online gaming sessions, when you've lost your physical dice, or for quick decisions. Works on all devices with no download required.
Frequently Asked Questions — D4 Dice Roller
Complete guide to the D4 four-sided tetrahedron die
What is a D4 die?
A D4 is a 4-sided tetrahedral die. Unlike other dice, you read the D4 by looking at the base — the number on the bottom edge or at the apex depending on the die style. It's used for small weapon damage and spell damage in D&D.
What weapons use D4 damage in D&D?
In D&D 5e, weapons that deal D4 damage include daggers, handaxes, clubs, and light hammers. The D4 is also used for the Mage Armor cantrip, the Bane and Bless spells (which add or subtract D4 from rolls), and healing potions.
What is the average roll on a D4?
The average roll on a D4 is 2.5. Since outcomes are 1, 2, 3, and 4 — each with 25% probability — the expected value is (1+2+3+4)/4 = 2.5.
Why is the D4 considered the most painful die to step on?
The D4's tetrahedral shape means it always lands with one sharp point facing upward. Stepping on a D4 concentrates weight on a single point, making it legendarily painful among tabletop gamers. This has made it an affectionate symbol of RPG culture.
How do you read a D4?
Traditional D4s are read at the base — the number that appears at the bottom of each face, or the number repeated at all three corners of the lowest face. Some modern D4 designs ("crystal" or "kite" style) are read at the top point instead.
What spells in D&D use D4?
Many D&D spells use D4: Bless and Bane (add/subtract 1d4 to rolls), Guidance (add 1d4 to ability checks), Healing Word heals 1d4 + modifier, Magic Missile deals 1d4+1 per missile, and many cantrips start dealing Xd4 damage at higher levels.
Can you roll multiple D4s?
Yes! Many D&D spells scale with level and require rolling multiple D4s. For example, Chromatic Orb deals 3d8 at base but Shatter deals 3d8 — and Magic Missile fires multiple darts each dealing 1d4+1 at higher spell slots.
What class in D&D uses D4 for hit dice?
The Wizard class uses D6 hit dice, but historically some older editions used D4 for Wizards/Magic-Users. In D&D 5e, no class uses D4 hit dice. The D4 is used primarily for weapon damage and spell effects.
Is a D4 considered a standard polyhedral die?
Yes! The standard RPG polyhedral dice set includes D4, D6, D8, D10, D12, and D20. Most starter sets and basic dice sets include at least one of each. The D4 is essential for any D&D player.
What is the probability distribution of a D4?
A fair D4 has a uniform probability distribution: each outcome (1, 2, 3, 4) has exactly a 25% chance. There is no bell curve effect with a single D4, unlike multiple dice. Rolling 2D4 creates a triangular distribution with a peak at 5.