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Can someone please convert Inches into mils

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Forum topic by Shzard posted 731 days ago 921 views 0 times favorited 12 replies Add to Favorites Watch
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Shzard

2 posts in 731 days


731 days ago

Topic tags/keywords: question tip planer shaping arts and crafts modern

I found some plans of a x2 seat + table setup that I would like to make for my Nana

As I do not live in America I do not understand Inches and such

I have tried using google to convert but I’m not sure on the rounding

http://cid-258899c12334cc4d.skydrive.live.com/browse.aspx/Garden%20Bench?uc=4

Thats the original plans

I would like some if possible to convert into metric


12 replies so far

View JAGWAH's profile

JAGWAH

929 posts in 1683 days


#1 posted 731 days ago

I use Construction Master 5 on my IPhone help me when I have to deal with your crazy metrics. It works both ways. But what helps me most was dealing with it directly by buying a metric tape rule and building accordingly.

Here’s my effort at the conversion.

-- ~Just A Guy With A Hammer~

View JJohnston's profile

JJohnston

1577 posts in 1890 days


#2 posted 731 days ago

If you use Windows, download this converter. It’s one of the best, and easiest. You’ll still have to convert the fractional part of the inch to decimal. I assume you know how to do that.

http://joshmadison.com/convert-for-windows/

Otherwise, convert the fractional inch to decimal, then multiply by 25.4 to get millimeters. No need to worry about rounding, since you will be test-fitting each piece and taking it to whatever final dimension fits.

-- "Sorry I'm late. Somebody tampered with my brakes." "You should have been early, then."

View Sawkerf's profile

Sawkerf

1730 posts in 1668 days


#3 posted 731 days ago

1 inch = 25.4 cm

-- Adversity doesn't build character...................it reveals it.

View KnickKnack's profile

KnickKnack

965 posts in 2165 days


#4 posted 731 days ago

1 inch = 25.4 cm
I think you meant MM—————1 inch = 25.4 mm :-)

There are a lot of “conversion charts” around – this one, for example.
As JJ said – these are all approximate, so you need to “make sure it fits” yourself.

-- "Do not speak – unless it improves on silence." --- "Following the rules and protecting the regulations is binding oneself without rope."

View LukieB's profile

LukieB

921 posts in 929 days


#5 posted 731 days ago

25.4 is all you need to know. To convert inches to millimeters take the inches measurement (let’s say 1.5 inches) and multiply it by 25.4 (1.5 inches x 25.4 = 38.1 mm)

To convert mm to inches simply reverse the formula, take your mm measurement (let’s say 12.7mm) and divide by 25.4 (12.7 mm divided by 25.4 = .5 inches or 1/2”.

Also, when you’re doing this you need the decimal equivalent for your calculations. Most drawings will be in fractions. 1/4”, 1/2”, 3/4” are easy, (.25,.5,.75) and all you need to do for the trickier ones is divide the fraction. 9/16” would be 9 divided by 16 = .5625

Hope that helps, and makes sense, and doesn’t just sound like the ramblings of a crazy person : )

-- Lucas, "Someday woodworks will be my real job, until then, there's this http://www.melbrownfarmsupply.com"

View Paul M Cohen's profile

Paul M Cohen

83 posts in 2377 days


#6 posted 730 days ago

Since you have the plans in Sketchup it should be able to do it. Under model info just change the units.

-- Paul, Beaverton OR, www.TravelbyPaul.com

View hhhopks's profile

hhhopks

560 posts in 976 days


#7 posted 730 days ago

I thought inches is to keep all these tool companies in business! It’s like a subsidy.
They get to sell you two sets of tools. One metric and one English.
In addition, its an excuse to keeps our (US) kids dumb as the school system spents ungodly amount of time teaching it(with very poor result).

-- I'll be a woodworker when I grow up. HHHOPKS

View HerbC's profile

HerbC

1154 posts in 1458 days


#8 posted 730 days ago

HHHOPKS,

If I remember correctly, it took only a couple of days to learn English measures when I was in the second grade. Of course that’s over 50 years ago… But we had much better teachers then.

Herb

-- Herb, Florida - Here's why I close most messages with "Be Careful!" http://lumberjocks.com/HerbC/blog/17090

View Dallas's profile

Dallas

2855 posts in 1086 days


#9 posted 730 days ago

Interesting take on it hhhopks.

Let’s see, during WWI, the US saved the collective European posterior with a piece of lead and copper .30” across.

The same sized piece of lead and copper did it again in WWII.

For years, during the cold war the US Imperial measurement of .30” kept citizens of West Berlin able to move about freely.

That is until the United Nations decided to standardize ammunition sizes, so now everything is 7.62mm…. which divided by 25.4 comes out to what??? Hmmmmm, That would be, ..... no wait for it,.......Yes, wait,....... .30”

Aside from the fact that most of my tools have both Metric and Imperial measurements on them.

Maybe there is something to be said for both methods of measurement.

-- Improvise.... Adapt...... Overcome!

View Grandpa's profile

Grandpa

3047 posts in 1274 days


#10 posted 730 days ago

I have a tape measure that is metric on one edge and inches on the other. I have one and that is one too many. They are worthless. It is always the side you need and the wropng system on it. Just get a calsulator and sit down with it for 30 minutes and you will have all your dimensions converted. 2.54 or 25.4 depending on what you want in the end. that is all you need to know. ....unless you convert to bars for pressure. Not going there.

View Sawkerf's profile

Sawkerf

1730 posts in 1668 days


#11 posted 730 days ago

Oops, you’re right, Knicknack. Must have been in a hurry. – lol

-- Adversity doesn't build character...................it reveals it.

View Shzard's profile

Shzard

2 posts in 731 days


#12 posted 730 days ago

Thank you to everyone who helped, I have converted all my dimensions into mils ready to buy the timber

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