Questions tagged [measuring]

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votes
4answers
110 views

Clamp DC current measurements with AmazonCommercial 600A AC/DC Clamp Meter

Please see the UPDATE section below! The question still stands (with new info). I don't feel the need to open a new one, but let me know if you think otherwise. Is AmazonCommercial 600A AC/DC Clamp ...
0
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1answer
53 views

Jaws of Vernier Caliper

What are the important things to consider when jaws are used instead of the knife-edge for measuring internal dimensions?
2
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4answers
127 views

Why do screw thread diameters vary from their nominal values?

I'm trying to identify several screws. Guides online are fairly straightforward - measure the diameter of the thread part, and pitch if possible. However, none of my screw measurements make any sense. ...
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2answers
47 views

How to Unstuck a Tape Measurer [closed]

This tape measurer is stuck. The metal piece is stuck (where orange arrow is pointing). How do I unstuck it?
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0answers
21 views

In Victoria Australia planning documents what do these number mean

I see a lot of four digit number on planning documents that appear to have something to do with the land survey. They seem to be some kind of coordinates with the first two digits that increase in a ...
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1answer
106 views

Anyone know a name for this measuring tool? [closed]

I've been looking at height gauges and they don't quite fit what I need. I'm trying to measure a ceiling not an object. I've seen some old fashioned height gauges that seem to do what I'm looking for ...
2
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4answers
199 views

How do you store a magnetic base and a dial indicator to prolong their life and retain accuracy?

I'm getting into turning with a lathe, starting small with some decent-used tools from the local ebay(trademe) and some janky chinese-grade tools. But I want to learn Best Practices. Right now I ...
0
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2answers
48 views

Tips to get (close to) accurate bevel angle by handsaw?

I'm trying to get a 20° bevel the length of the board (36"). I'm working on a scrap wood project. I've been on an "unplugged" kick lately & finding the extra physical effort of "by hand" to be ...
0
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0answers
27 views

weird table slide dimensions?

We have a round table that can take two leaves, however, the two table extension slides (I think that's what they're called?) are irreparably broken, and seem to be a non-standard size, but I'm not ...
-1
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2answers
984 views

How to measure tile lippage?

I just had my bathroom floor tiled and I am concerned about lippage. Before bringing this up with the contractor, I want to get an idea of how bad it is really. The tiles are 2.25" octagons with ...
1
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1answer
307 views

How to locate a line parallel to adjacent building for a new building

I want to build a new building next to an existing building. The new building must be parallel to the old building, but shifted forward, as shown below. What is the best way to find a parallel line ...
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0answers
39 views

Minimum clearance between tree branches and overhead electrical (Indiana)

What is Indiana code for minimum clearance between power lines overhead and tree branches? I was able to find some things talking about how high cables should be off the ground, but nothing about tree ...
1
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1answer
135 views

Metric unit conversion for piping

The German manual of my washer-dryer says it needs a water connection with measurements specified as 26,4 mm = 3/4". Assuming those quotation marks were meant to be prime marks, i.e. stand for inches, ...
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3answers
365 views

What are the best practice in drilling anchor screw holes in right locations?

I am setting up several stations side by side that look like this: For each station I have to install a mirror that has two hooks behind it and look like this: Those hooks are supposed to hang on ...
-1
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1answer
71 views

Diameter of an 11' foot high, 3" (2&7/8) steel post footer hole

I know that the general standard for post footers is to make the diameter of the footer hole 3 times wider than the post itself. However, I want to make sure that even in an 11' foot post (which seems ...
0
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2answers
322 views

marking & cutting odd plywood shape

I need to create a non-standard shape of thick plywood (1+") for an extension to a kitchen island. Shape is something like this: ... the size is roughly 3ft-square, and the inside and outside ...
1
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2answers
134 views

What is the viewing window for on this tape measure?

Can someone please explain me the significance of the window in this measuring tape? I am unable to understand its application.
1
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1answer
33 views

How accurate does corner angle measurement on crown moulding need to be?

How accurate does angle measurement on crown moulding corners actually have to be? What I am saying is say compare a manual angle finder that has 1 degree increments vs a typical digital one that ...
0
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1answer
60 views

What is the relation between these two measures? [closed]

Imagine you enjoy automation, and have a friend who makes beer. tl;dr: How would you mathematically correlate a scale of 7.2 to 2.5 (starts from 7.2 and goes down) to a scale of 1.060 to 1.000? Bonus ...
1
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1answer
418 views

How to precisely measure pipe inner diameter using digital Vernier caliper?

I have a pipe of unknown inner diameter. The pipe is big so I cannot measure it's outer diameter (the outside jaws won't reach the midpoint). I want to measure inner diameter. That should be easy, in ...
0
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1answer
104 views

Taking Measurements for Driveway Project

I'm a new DIYer and my first project is to cover my sand driveway with bluestone gravel. My question is how do I take measurements of driveway to determine how much gravel to buy? Thank you in advance ...
11
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7answers
2k views

How do I measure the thickness of something with a lip or frame?

I'm looking for a device like vernier calipers (ie 0.1mm resolution or thereabouts is fine), but in more of a C-clamp configuration which allows me to measure the thickness of some object's face where ...
0
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1answer
86 views

Measuring Electric Motor Shank Dimensions?

I have an electric motor that has threads on the end of it. I'm interested in making a wood pulley to put on the end of it for use in a lathe. The only thing is that I'm not sure if I have the right ...
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0answers
60 views

How to Measure Double Handle Push out Windows?

I want to buy some screens but I need them custom made. I need to measure them but not sure how to measure them properly. The screen would look like this http://www.southcoastscreens.com/double-...
0
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1answer
54 views

Swedish Crown Molding KS. Would this be useful? Are there better tools? [closed]

https://www.kickstarter.com/projects/onecut/onecut-crown-molding-tool-patented-technology/description This tools that gives a template for half the measured angle looks simple and reasonable, but ...
0
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2answers
3k views

How to square plywood using the 3-4-5 method?

I know about the square triangle 3-4-5, and I know how to use it get a 90° angle. But I can't think or understand how people use it (accurately) to get 90° on a big plywood sheet. The most "proper" ...
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1answer
252 views

Why are fractions used for measuring? [closed]

Can someone provide a rational reason why are fractions used for measuring, instead of decimals or percentages? To me they don't seem intuitive and I fail to see how can be intuitive to anyone ...
1
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0answers
122 views

How do you figure out how deep the water table is somewhere?

I'm looking at buying some land, and was wondering how to figure out how deep it is to the water table so I can know what I can put in a location in the yard.
1
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1answer
280 views

Smart Thermostat C-Wire wrong voltage

I'm looking to upgrade the thermostats in my apartment to ones which I can control programmatically over WiFi. I opened up one of the old thermostats and discovered I have the classic "C-wire" ...
1
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0answers
110 views

How to measure head casing?

I have, what seems like a trivial question. How on earth do you measure the size of a head casing? I measured as it shows in this picture, going from the bottom side of the 45's. I measured my door (...
0
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1answer
566 views

Cosmetic fix for installing decking board when not parallel to house?

I am expanding the deck that goes very far (35 x 48 feet ~ 1000 sqft). So I am pretty sure the further end will not perfectly parallel to the house. It could be 1-2 inch off from one end to the other ...
1
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3answers
7k views

How to measure the radius of a fillet on a non 90deg angle

I have two filleted corners that are not at 90deg on an aluminium part. I want to measure the radius of the fillet, but I don't have fancy radius measuring tools, only calipers. Is there any way I ...
3
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2answers
3k views

Marking studs with tape measure

Maybe I'm a little dense, but I'm having a little difficulty visualizing how laying out studs 16" OC works with a tape measure. From almost every source I look at they say "Don't screw this up. Hook ...
7
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6answers
89k views

When tiling a floor must I start in the middle of the room?

I am tiling a small bathroom ~45sq ft. The book I am referencing suggested starting the tile in the center of the room to prevent laying any tiny fractions of tile near one side of the room. I'm ...
1
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1answer
125 views

lay out common rafters with combination square

I need to mark common rafters (plumb line and birdsmouth) to build a lean-to roof. I only have a combination square, a rusted try square and measuring tape. All explanations involve either a speed ...
2
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2answers
2k views

What does “Level flat to 3/16 per 10 foot radius” mean?

I am looking at USFLOORS CoreTec Plus installation instructions (http://www.usfloorsllc.com/wp-content/uploads/2014/07/USF-COREtec-Plus-Angle-Tap-Installation-Instructions.pdf) and it says Level: ...
1
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2answers
481 views

How do I measure for a table top inside a (slightly irregular) nook/alcove?

I have a little nook about 2' x 5'. It's surrounded by wall on three sides. I want to put a table top in there. But I know the area isn't exactly square. It's supposed to be, but it's not. How do I ...
1
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1answer
4k views

Distance to leave between drilled holes in plaster

I've drilled 3 6mm holes in a wall, about 30cm away from each other. They were meant to be vertically aligned but the measurements were off and it's on about a 5-10 degree slant. Because of this I ...
0
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1answer
42 views

Is there a program or system which will tell me what length (8' or 10') 1x3 lumber to get for making storm windows?

I am going to make some storm windows. 13 of them. The windows will be simple 1x3 frames with a 1x3 horizontal stretcher midway up. Mitered corners. I am including the measurements at the bottom of ...
0
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3answers
8k views

What size pool jets am I supposed to purchase for 1.5 inch pipes?

In my pool, I have two white PVC pipes that push water out, where jets are supposed to fit to increase flow rate. The diameter of these pipes is 1.5 inches. I purchased a 5-pack of "Pool and Spa ...
2
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4answers
2k views

Mark 2 points on parallel walls directly opposite each other

I am about to mount some steel pipe which spans from one wall of a room to the opposite wall. (Here's why: Mount Pull-up bar from wall to wall) How do I accurately mark two points on facing parallel ...
1
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1answer
101 views

What kind of board is this, and where can I get some?

I have some tongue and groove floorboards from a bathroom. They measure 0.83" thick and are probably about 90 years old. Where can I get some boards that are equally thick? Tongue and groove is a ...
0
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1answer
67 views

On understanding housing measures

When we measure a room and say it's 4x4 this is to say it's 4' in length and 4' in width, right? What if the room isn't conventional and is say a polygon how is it then measured? The x between ...
2
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6answers
1k views

When is it appropriate to use a wood rule rather than a tape measure?

Wood rules and tape measures are similar tools, and I've realized I almost always default to the tape measure. When should I be using a wood rule instead?
2
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1answer
1k views

Is there a standard hole diameter for corner braces?

I'm planning a project that requires corner braces, and I want to figure out what size bolts I can put through them. Unfortunately, at least on the Home Depot website, the corner brace product ...
2
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4answers
1k views

Is there a tool to pinpoint an exact location through wood?

I have a wooden roof. I need to drill though it from above, and hit the beams exactly in order to attach something. The edges of the roof are not straight, and it is impossible to find out where ...
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2answers
2k views

Minimizing wall thickness for basement drywall?

I'm trying to optimize acoustics of my future home theater by maximizing dimensions to minimize standing wave problems. I would like to minimize the thickness of a finished wall consisting of drywall ...
0
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3answers
234 views

Exactly measure lumber for cabinetry

I am working on a bookshelf which, due to the way I am building it, requires some of the pieces to be exactly measured to within 1/64th over 4-5 foot lengths. Obviously no yardstick is so accurate. ...
3
votes
1answer
2k views

What is the easiest way to measure an irregular floor space?

I would like to order a comfort mat for the floor of a small kitchen. The company can make it to order but I have to provide exact dimensions. This is harder that it sounds though as the floor space ...
6
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7answers
5k views

How to get a straight line when painting wall with fillet to ceiling

We are moving to an apartment built in the 1920:s which have a fillet between the walls and the ceiling. We want to paint the walls, and to get a nice finish between the ceiling and the walls, we want ...