Other Useful Tools

Tools for measuring Area, Slope, Length, and for Unit Conversion
Map Gridding Tools
Map Bags
Map Overlays and Marking
Magnifiers
Map Wheel

Over the years I've found a few products that I use over and over again as I work with maps, GPS receivers and geographic coordinates. I think you will find them just as useful as I do.

Tools for measuring Area, Slope, Length, and for Unit Conversion

Ruler for converting miles/km and feet/meters
Inch/Metric Ruler inches in 1/8ths and 1/10ths, millimeters
1:24,000 Scale Slope Ruler Estimate %slope or slope angle from contour lines
Acreage Estimator for 1:24,000 Distance in miles, feet, and chains, UTM in meters Scales: 1:24,000 x 2 miles
Land Sectioning Tool for 1:24,000 For dividing public land survey township and range sections Scales: 1:24,000 x 2 miles

Map Gridding Tools

If you print your maps from a digital source you can probably get the grid lines printed as well. But if you are still using traditional paper sheet maps, you may need to draw the grid lined yourself. Frequently maps come with coordinate marking on the edges, but no grid on the map. These cork backed stainless steel rulers, and the archival quality technical pen are ideal for drawing grid lines. The 24 inch ruler is long enough to grid USGS 1:24,000 quadrangle maps. If you need to add grids to 1:100,000 scale maps, Forest Service maps, or other larger sheets, You'll want the 36 inch version.

MapTools does not sell the Sakura Pigma Micron Pens anymore. They are available from Amazon. MapTools may receive a small commission when you use this link to order from Amazon. It will not impact the price you pay on Amazon.

Single Black Pen Sakura 30181 Pigma Micron Blister Card 01 Ink Pen, 0.25-mm, Black
Single Blue Pen (8 pack) Sakura 30181 Pigma Micron Blister Card 01 Ink Pen, 0.25-mm, Blue 8 Pack
Single Red Pen Sakura 30181 Pigma Micron Blister Card 01 Ink Pen, 0.25-mm, Red

MapTools does not sell cork backed stainless steel rulers anymore. They are available from Amazon. MapTools may receive a small commission when you use this link to order from Amazon. It will not impact the price you pay on Amazon.

Stainless Steel Ruler - Imperial & Metric Cork Backed Ruler 36 Inch

Map Bags

Nowadays most of the maps I use, I print myself from a digital mapping program or online resource. Since I can print another one for my next outing, I don't coddle them like I did my USGS quad sheets. But I still need to keep them dry.

You can spend a lot of money on a fancy map pouch, but that's not my style. I put my maps into simple clear polyethylene reclosable zip top bags. I use two sizes.
9 x 12" 4 Mil bags are a good fit for an 8.5"x11" letter sized sheet of paper.
13 x 18" 4 Mil bags are a good fit for larger map sheets folded into quarters or 11"x17" paper.

Map Bag - Big To protect maps printed on 11"x17" or A3 paper or larger sheets with a fold or two.
Map Bag - Small To protect maps printed on letter or A4 paper

Map Overlays and Marking

In a tactical field operation, be it military, law enforcement, or search and rescue oriented, it is common to do planning and situation status on a map covered with a clear overlay. The set up I use is based on a sheet of 1/4" hardboard for my local building supply outfit. They typically sell it in 4'x8, 4'x4' 4'x2' pieces, but they'll even cut it to the size you want. I use binder clips to attach a sheet of Grafix Clear Dura-Lar film to the board. My map goes between the board and the clear overlay. I keep everything secure with a combo of binder clips at the edges and blue tape elsewhere. For multi day operations, I use additional clear overlay sheets, one for each operational period.

My favorite pens for marking on the overlay sheets are, Staedtler Lumocolor Fine Point marking pens. I usually use water based pens for planning and operational situation status as they are easy to erase when you change your plans or your teams move around. For for debriefing records, I switch to the permanent pens. I don't want my operational history to be accidentally erased. The permanent pens can be erased. I make minor changes with a Mars plastic eraser. For bigger changes or to erase an entire sheet, I turn to an alcohol soaked rag.

When I'm teaching navigation, I use laminated maps and have the students use Vis-A-Vis overhead transparency pens. These low cost pens can be erased with a damp paper towel. And unlike my Lumocolor pens, I'm not so distraught when a pen or two disappears.

Finally, for you old school wall map folks, we carry the round headed colored map tacks and pins with colored flags.

MapTools does not sell the Lumocolor Pens anymore. They are available from Amazon. MapTools may receive a small commission when you use this link to order from Amazon. It will not impact the price you pay on Amazon.

Permanent, Set of 4 Staedtler 318-WP4 Lumocolor Permanent Universal Pens, Fine Point, 0.6mm, Assorted, 4 per Set
Permanent, Set of 8 Staedtler Lumocolor Universal Pen, Fine, Felt Tip, Permanent Marker, Box of 8 Assorted Color Pens, 0.6mm 318 WP8, Multicolour, pack of 8 (318 WP8 ST)
Correction Pen for Permanent Pens STAEDTLER 1 X Lumocolor Correction Pen Each Correction Pen Each
Non-Permanent, Set of 4 STAEDTLER 311 WP4 Lumocolor non-permanent pen, assorted colors, 4 Count (Pack of 1)

MapTools does not sell the Vis-a-Vis Wet-Erase Marker Set anymore. They are available from Amazon. MapTools may receive a small commission when you use this link to order from Amazon. It will not impact the price you pay on Amazon.

Expo Vis-a-Vis Wet-Erase Marker, Fine Point, 4-Color Set (SAN16074)

MapTools does not sell the the Mars Erasers or the Mars Eraser Stick anymore. They are available from Amazon. MapTools may receive a small commission when you use this link to order from Amazon. It will not impact the price you pay on Amazon.

Mars Eraser Staedtler Mars Plastic Erasers
Eraser Stick Staedtler Stick Eraser , Blue (3 Pack)

Map Flags, pkg of 15, assorted colors
Map Tacks, pkg of 50, assorted colors

Grafix Dura-Lar Clear 12" Roll Ultra .010 Film, Acetate Alternative, Glossy Surface for Coverings, Stencils, Color Separations, Window Applications, Transparencies, and More, 40" x 12', 39 Sq Ft
Ufmarine Small Binder Clips 1 Inch Length for Office (64 Pcs)
Home Depot - 1/4 in. x 2 ft. x 4 ft. Sande Plywood Project Panel

Magnifiers

I've reached the age where it's starting to be difficult to read the elevations on the index contour lines.

When I'm inside, warm and dry, with a map spread out on the table, I like to use a Magnabrite acrylic dome magnifier.

Tiffen Magnabrite 64mm 4x Loupe (175-404)

Measuring Distance

When you have a lot of measuring to do, turn to an electronic Map Wheel

I've been in a few planning sessions where I need to measure a bunch of trail and road distances. The Scalex MapWheel makes this an easy task. Set it to the map scale, zero it, and roll it along the road or trail of interest. The distance reads directly on the display in either miles or kilometers.

This tool is also a win when you have a map at a really odd scale. You can enter any desired scale and the wheel will happily measure distance for you. I've even used it in a pinch to measure UTM coordinates on a weird scale map.

Scalex - MapWheel
Scalex - MapWheel Case