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84 votes
Accepted

DD/MM/YY or DD/MM/YYYY?

There is no universally good answer to this question, but there are definitely two pros of YYYY: by showing the two leading numbers you can easily tell e.g. 1911 from 2011, you know exactly where the ...
Dominik Oslizlo's user avatar
64 votes

DD/MM/YY or DD/MM/YYYY?

As a rule, it's never OK to use a 2-digit year. If you can prove that using a 4-digit year will cause thousands of babies and cute fluffy bunnies to die horribly, that could be an exception to the ...
Medievalist's user avatar
50 votes
Accepted

"1 other" or "one other"?

AP style says "spell out whole numbers below 10, and use figures for 10 and above". Chicago Manual style says spells out numbers below 100, or as an alternative rule to use AP style instead. ...
Daniel Beck's user avatar
  • 4,592
38 votes
Accepted

If showing an up/down arrow next to a number, should the number still include a sign?

TL;DR; Use one, or the other, but not both. Consider how you would read this out loud, noting OP has already indicated this is a relative measure: In the positive case, this is "plus 13" or "an ...
MTCoster's user avatar
  • 636
29 votes
Accepted

How to abbreviate long numbers?

In the English language, a number that has 11 digits is Ten Billion. You can Round it off to the nearest big number and use an approximation symbol along with it. In this case, it would be: ~23....
Sooraj MV's user avatar
  • 3,609
27 votes

If showing an up/down arrow next to a number, should the number still include a sign?

/EDIT - This answer was posted before it was clear that the number is a status higher/lower indicator, so the answer content here is less relevant now the question has been updated. Yes, you still ...
JonW's user avatar
  • 37.3k
27 votes
Accepted

What is the clearest way to display "less than"?

If you want sex just say it If you want sex just say it - You should strive to convey information in the clearest way possible, when possible. < 2.1 miles is < clear than less than 2.1 miles. In ...
Izhaki's user avatar
  • 32.6k
25 votes
Accepted

How should horizontal dashboard numbers react on a responsive page?

The best way to cover long numbers on small devices is to use the K, M, B values; such as 10K, 10.51M etc... As per layout try resizing this codepen, you'll get an idea https://codepen.io/geoffyuen/...
Dipak's user avatar
  • 16.2k
22 votes

What is the effect of rounding counts of artefacts, like books or courses available?

If you ask me, you can give a rough approximation of the actual quantity. Don't exaggerate too much. Suppose you have 1379 books. You don't say you have 2000 books. That's just too much. Also, you ...
Varun Nair's user avatar
17 votes

DD/MM/YY or DD/MM/YYYY?

Take this example: 01/02/07. At first look, it could be anything. Now, let's make it YYYY: 01/02/2007. Quite a bit of difference, right? This is one of the main reasons for the YYYY format. Very few ...
Sujan Sundareswaran's user avatar
15 votes
Accepted

Dealing with dozen digit number inputs

Using words isn't a bad idea at all. It's the most 'easy to understand' way for everyone. You can make a dropdown list after the input, containing: No unit Thousand Million Milliard The "no unit" ...
Max de Mooij's user avatar
  • 2,620
15 votes

How to abbreviate long numbers?

You should put the number in a better place. You have identified that putting it in the small gap between logo and deposit button is not a great solution, and given the nature of the value in the ...
straya's user avatar
  • 1,212
12 votes

"1 other" or "one other"?

Use numerals for digital purposes The standard for 'traditional' copywriting is to fully write any number under 10, so one, two, three and so on. However, when it comes to digital interfaces, it's ...
Wendy Wojenka's user avatar
12 votes

If showing an up/down arrow next to a number, should the number still include a sign?

No you should not use the sign alongside that arrow. "↓ -13" is potentially interpreted as a double negative. You pick one method to indicate the sign. Either you use + or - (and omitting the + ...
Lightness Races in Orbit's user avatar
12 votes

How to abbreviate long numbers?

The main factor is "What does the number indicate? and how is it important in this context?" Here I'm assuming the number here is an account number. It is important here to identify the account ...
Chandrakanth Gummadi's user avatar
10 votes

DD/MM/YY or DD/MM/YYYY?

When you are not dealing with century old events - it will make perfect sense to use YY instead of YYYY. Even Stackexchange follows the same pattern: "asked Jan 6 '09" MM/DD or DD/MM does change ...
Dipak's user avatar
  • 16.2k
10 votes

DD/MM/YY or DD/MM/YYYY?

Taking into account that this question was asked in the UX section of stackexchange, I would assume that the answer should focus on the user's expectations. I have personally been working in a large ...
not2savvy's user avatar
  • 209
9 votes

DD/MM/YY or DD/MM/YYYY?

I thought the argument about yyyy rather than yy had been dealt with in the run-up to y2k? There are almost certainly people reading this who will be alive to see 2099 turn to 2100, and there are ...
nigel222's user avatar
  • 665
8 votes

What is the effect of rounding counts of artefacts, like books or courses available?

How to round properly has been studied in detail by physical scientists (you need rules so people don't distort their measurements, intentionally or accidentally), and by linguists. With respect to ...
alexis's user avatar
  • 303
8 votes

Tips on number formatting for better readability

Re-sizing elements in this UI may help. Firstly, those first numbers are huge and the ones that follow are way too small. It makes it difficult to read and you can't do so at a simple glance. There ...
UIO's user avatar
  • 2,684
8 votes

What is the clearest way to display "less than"?

The other answers seem to be missing the forest for the trees. The problem isn't visual, but semantic. When creating key-value pairs, the least ambiguous solution tends to involve defining your left-...
Will's user avatar
  • 181
7 votes

Are numeric "steppers" or "spinners" on text fields simply bad UX?

It gives additional control First of all, I don't think it's bad UX. If anything, and unless demonstrated otherwise, it's very good UX. With this kind of elements, you have multiple control options....
Devin's user avatar
  • 37.9k
7 votes

If showing an up/down arrow next to a number, should the number still include a sign?

A potential problem is that people might interpret your example as "a decrease of -13" (meaning an increase of 13)
12Me21's user avatar
  • 171
7 votes

How to abbreviate long numbers?

As it's UGX and tagged currency, I'm guessing it's Ugandan shillings. 11 digits is where I will stop trying to figure out what number it is, and start counting thousand groups, 11,000,000,000 and ...
vidarlo's user avatar
  • 171
7 votes

What is the clearest way to display "less than"?

You could place the minimum value on the left and increments throughout the rest of the bar: The "distance" in the title implies that values "up to" the selected one will be included in the filter. ...
Izquierdo's user avatar
  • 12.5k
7 votes
Accepted

When to move on to the next unit prefix, e.g. 900 kB vs 0.9 MB

Recommendation: Don't change units based on the progress of the download However, it's not uncommon to cut off before that: I've seen e.g. camera manuals say "0.8 MB" rather than "800 ...
musefan's user avatar
  • 7,091
6 votes

Should content be left aligned or right aligned in a table that contains a mix of text and numbers?

1. Labels should be aligned with columns Labels should be aligned exactly the same as the column below them. If you use different alignments for different labels you risk making it hard to identify ...
Racheet's user avatar
  • 3,800
6 votes

How to abbreviate long numbers?

I find the following to be the most commonly used in applications though this may be different in financial applications or depending on locality. These should be fine as long as you are consistent ...
James Coyle's user avatar
  • 1,567
6 votes

What should an error state for a number value be?

You can't show a numerical value because that would imply a value, which is a wrong value by definition. I'd better say you would display a message saying something like "error getting number" with a ...
colmcq's user avatar
  • 8,260
5 votes
Accepted

How to make a big random value more readable for humans?

1) Absolutely do not distinguish between upper-lower case. (So, i can type EITHER abc or Abc or aBc, and it works.) (In presenting the string, do use only UPPER case letters, of course: they are ...
Fattie's user avatar
  • 1,173

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