js-quantities

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How to get the value converted to the "best" prefix?

1

I have a value of `1200000 mm' and I wan't to have a method which automatically transfers to the best prefix like: const qty = new Qty(1200000, 'mm').toBest() // now...

alinex

How to get error messages?

2

Hi, I just started to work with [js-quantities](https://github.com/gentooboontoo/js-quantities) and haven't figured out how to get error messages. If something goes wrong (e.g. when `Qty('1 Amporia')` was entered), only the message...

librilex

Problems with using js-quantities to parse engineering input

4

I'm trying to use js-quantities to parse input for an engineering simulation. I want users to enter input in any units by writing both the unit value and name. Ex,...

evantandersen

Add feature .toEng() for engineering notation based labels

3

This may not be necessary, but it would be nice to have a feature that could normalize labels to powers of 10^(3*n) given the prominence of engineering notation. Example: `Qty('.0001...

bombledmonk

Display in baseScalar units without changing to SI units

2

This may be easy, but I haven't quite teased out if this is possible yet. Goal: I have data that comes in various magnitudes and I would like to normalize...

bombledmonk

Issue with conversion from mmol/L to mg/dL.

4

mmol/l = mg/dl / 18 mg/dl = 18 × mmol/l Trying to make a medical calculator with js-quantities. But can't seem to convert between the two frequently used units to...

sunnykgupta

In electronic engineering 1Mohm is typically 1000,000 Ohm. ``` > Qty = require('js-quantities') > k = Qty('1kohm') Qty { scalar: 1, baseScalar: 1000, signature: -312058, _conversionCache: {}, numerator: [ '',...

kasbah

Add aliases to fluid ounces

1

I have a lot of data coming in formatted as `'fl oz'`, but it's not supported with the space so I have to do some custom parsing before handing it...

joshrickert

Parsing unit pairs, eg. 8lbs 6oz or 6'4"

1

In the source, [there's a comment about parsing USA/Imperial style values, like `8lbs 6oz` or `6'4"`](https://github.com/gentooboontoo/js-quantities/blob/master/src/quantities.js#L666-L667) However, if we try `new Qty('6\' 6"')`, it fails with the error`QtyError {name: "QtyError",...

nathan-muir

Add Imperial Gallons in addition to US Gallons

2

1 US Gallons = 0.832674 Imperial Gallons

wcomartin