Re: Unit Conversion
Re: Unit Conversion
- Subject: Re: Unit Conversion
- From: Martin Diers <email@hidden>
- Date: Mon, 28 Dec 2009 16:49:11 -0600
Remember: If you have a specific density specified in square
centimeters, you have to multiply, not divide, to describe that density
over a larger area. That is because the amount of irradiance per square
centimeter does not change just because you express it in square meters.
You just have 10,000 units now, instead of one. :)
On 12/28/09 4:44 PM, Martin Diers wrote:
> I'm sorry. I meant divide by 100.
>
> To further explain:
>
> Convert micro-watts to watts by dividing by 1,000,000. That tells you
> the Watts / cm2.
>
> then multiply Watts / cm2 by 10000 to get Watts / m2, because 1 m2 =
> 10000 cm2.
>
> x / 1000000 * 10000 = x / 100
>
> On 12/28/09 4:34 PM, Roger wrote:
>
>> Hello folks,
>>
>>
>>
>> I am trying to convert micro-Watts/cm2 to Watts/m2 units of irradiance.
>>
>>
>>
>> I have done some quick research on the net (Wikipedia, in particular) and
>> after some initial trials in Excel, I find I end up with ridiculously low
>> converted values?
>>
>>
>>
>> In seems that, to convert from micro-Watts to Watts, one has to divide by
>> 100,000 since 1 micro-Watt is equal to 1 millionth of a Watt.
>>
>> To convert cm2 to m2, one has to divide by 10,000 (100cm x 100cm = 1 m2).
>>
>>
>>
>> So this micro-Watt value, 0.10145, ends-up as 0,00000000010145 for instance.
>>
>>
>>
>> Does that conversion make sense?
>>
>>
>>
>> Best / Roger
>>
>>
>>
>>
>>
>> _______________________________________________
>> Do not post admin requests to the list. They will be ignored.
>> Colorsync-users mailing list (email@hidden)
>> Help/Unsubscribe/Update your Subscription:
>>
>> This email sent to email@hidden
>>
>>
> _______________________________________________
> Do not post admin requests to the list. They will be ignored.
> Colorsync-users mailing list (email@hidden)
> Help/Unsubscribe/Update your Subscription:
>
> This email sent to email@hidden
>
_______________________________________________
Do not post admin requests to the list. They will be ignored.
Colorsync-users mailing list (email@hidden)
Help/Unsubscribe/Update your Subscription:
This email sent to email@hidden