Toss Koscmi Rpg
Fast, accurate and free online toss koscmi rpg tool running directly in your browser.
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1Enter data
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2Click the button
The tool will immediately process your data in the browser. -
3Get the result
Copy the finished text or save the file to your device.
return "Result ready in 0.1s";
}
Source preview (JSON)
{
"output": "Roll label: Longsword attack vs. captain of bandits\nNotation: 2d20 + 3\nSubtotal: 20\nModifier: +3\nTotal: 23\n\nIndividual dice: 6, 14\nMin\/Max (single die): 1 \/ 20",
"metadata": {
"sides": 20,
"count": 2,
"modifier": 3,
"subtotal": 20,
"total": 23,
"show_details": 1
}
}
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Other tools you may find usefulRPG / D&D dice roll – online calculator
A tool for virtual dice rolling in role-playing and board games: D&D, Pathfinder, Warhammer and other RPG systems. Supports all standard dice - from d4 to d100 - along with a modifier and an optional preview of the results of each dice individually.
What is it for?
The calculator rolls dice according to the standard notation used in RPG games:XdY+Z, where X is the number of dice, Y is the number of faces (e.g. d20), and Z is a modifier resulting from the character or spell statistics. The tool displays the sum of all dice (subtotal), adds a modifier and gives the final result (Total). You can also see the results of each die individually as colored tiles - useful for advantage rolls or multiple damage rolls.
How to use
Select the dice type (e.g. d20), enter the number of dice (e.g. 2) and the modifier (e.g. +3 - this corresponds to the notation 2d20+3). Optionally add a roll label, such as "Long Sword Attack" or "Perception Roll". Check the "Show individual dice results" option to see each result individually. Click "Roll Dice" - the result will appear immediately with a large Total card, stat grid and dice value chips.
Dice notation in RPG – XdY+Z
The standard dice notation used in D&D 5e, Pathfinder, and dozens of other systems is as follows:XdY+Z. X is the number of dice rolled, Y is the number of faces (dice type), Z is the modifier (can be negative). Examples:1d20+5– warrior's attack roll;2d6– greatsword damage. Our calculator supports the XdY+Z variant, perfect for current throws at the table.
Types of dice used in RPG games
- d4 (D4)– dagger damage, Magic Missile, gnome initiative.
- d6 (D6)– the most common bone; saber damage, pickpocketing, lots of magic.
- d8 (D8)– longsword damage, paladin and cleric hit cube.
- d10 (D10)– damage from halberd or crossbow; percentage throws.
- d12 (D12)– barbarian's favorite die (largeaxe damage).
- d20 (D20)– the heart of D&D: attack rolls, skill checks, saving throws. Score 20 = Crit!
- d100 (D100)– percentage throws: random encounter tables, percentile systems (e.g. Warhammer FRP).
Typical applications
- Attack Roll:1d20 + attack bonus vs. Target's AC.
- Damage Roll:e.g. 2d6+3 (longsword + Strength modifier).
- Save roll:1d20 + trait modifier + proficiency bonus.
- Initiative roll:1d20 + Dexterity modifier.
- Character creation:4d6 (discarding the lowest result) – count the three highest.
Frequently asked questions
Can I roll multiple dice at once?
Yes - the "Number of dice" field allows you to set from 1 to 100 dice of the same type. The results of all dice are summed (subtotal), then a modifier is added to give the final result (Total). If you check the "Show individual dice results" option, you will see each dice as a separate tile with a number.
What is a modifier and how to enter it?
The modifier is a constant value added (or subtracted) from the total of the dice rolls. In D&D 5e, typical modifiers are trait modifiers (e.g. +3 Strength) or proficiency bonus (+2 to +6 depending on character level). Enter +3 as "3" and -2 as "-2". Possible range: -1000 to +1000.
What does the notation look like, e.g. 2d20+3?
Notation2d20+3means: roll 2 20-sided dice and add 3 to the total. In the calculator, select dice type = d20, number of dice = 2, modifier = 3. The result will be displayed in the "Final result" field.
Is the calculator random?
Yes - the calculator uses a cryptographically secure random number generator (PHP random_int()) that provides a true, unpredictable result. Each click on "Roll the Dice" produces an independent, fair result.
Can I use this tool for an online (online D&D) session?
Of course! The calculator works in the browser without installation, you can open it in parallel with VTT (e.g. Foundry, Roll20, Owlbear Rodeo) or during a conversation on Discord. The result can be copied with one click on the "Copy result" button and pasted into the chat.