How does a percentage dice work?

If you’re rolling 2d10, then multiply the tens die’s result by 10 and then add them together. If you’re rolling a d10 and a d%, then you can just add the numbers, because the die has already done the multiplying by 10 for you. Lastly, remember that a zero result means 100, not 0.

What is a 1 on a d100?


You can’t roll a zero; a 00-0 roll would be a 10. A 00-1 would be a 1.

What is 000 on a d100?

In any other context outside of a percentile roll, the “0” on a d10 is interpreted as a “10”. Also, the “00” is read as a “0” in every other roll of the d100.

How do percentages work in DND?

One number represents the tenths place and one represents the hundredths place. Say you get a 5 on the first die, which you’ve designated the tenths place and a 7 on the second die, which you designated the hundredths place. That means you’ve rolled 75 or 75%.

What is a 100 sided dice used for?

Rather than being a polyhedron, it is more like a ball with 100 flattened planes. It is sometimes called “Zocchi’s Golfball”. Zocchihedra are designed to handle percentage rolls in games, particularly in role-playing games.

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Does 0 on d10 mean 10?

The die is a d10, and when such a die is rolled, the 0 is usually read as a 10. Some RPGs use it as a 0-9, but that’s more of the exception rather than the rule. The only time a 0 on a d10 is read as a 0 is when it’s rolled as a pair of d10s to get a d100, or percentile dice, where a “00” is 100.

What happens if you roll a 0?

It would be a “regular” miss. Assuming 3.5 rules here, there is no way to auto fail or succeed skill checks, regardless of your roll. You can roll a 1 and succeed or a 20 and fail if your skill bonus is good or bad enough. So that said, a 0 on a bluff will most likely fail and simply fail.

Can you roll 100 on a d100?

Yes, a d100 is the same as 2d10 with one as the percentile. A d100 goes 1–100, a d10 goes 0-9. Neither allows you to roll a 0, because of the way you count a percentile dice. (00 on the percentile and a 6 on the other dice forms 6, 00 on one and 0 on the other is 100, no option will result in 0.)

Why does a d10 have a 0?

The one with two digits is just telling you the tens digit, and the one with one digit is the ones digit. If you’re rolling only that die with 0, 10, 20, etc., then a 10 = a 1 and the 00 = a 10. 0 or 00 on a d10 just means the highest number.

How do you roll a d100?

How to roll d100 with 2d10

  1. Look at the 10’s value dice first. …
  2. Look at the 1’s value.
  3. Add up the result of 1’s and 10’s for your final roll value. …
  4. Create a table. …
  5. Type all the roll values in the table. …
  6. Just have fun rolling the dice and look up into the table for your result after that.
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What are percentage dice used for in D&D?

In D&D 5e, percentile dice are used as much as they were in previous editions. Usually, I only see them used by the DM for things like random encounters or rolling up treasure. They are mostly used by the DM to roll encounter and treasure tables. You also use them if you own a business to check its weekly profit.

How do you read percentiles?

If a child’s weight is at the 50th percentile line, that means that out of 100 normal children her age, 50 will be bigger than she is and 50 smaller. Similarly, if she is in the 75th percentile, that means that she is bigger than 75 children and smaller than only 25, compared with 100 children her age.

How do you calculate odds to hit 5e?


  1. Chance to Hit = ( ( 21 – ( 19 – 9) / 20 ) * 100.
  2. Chance to Hit = ( ( 21 – 10) / 20 ) * 100.
  3. Chance to Hit = ( 11 / 20 ) * 100.
  4. Chance to Hit = 55%