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Map Scales
Land Map Scales for DLS & PLSS
1:396 1 inch = 50 links
1:792 1 inch = 1 chain
1:1584 1 inch = 2 chains
1:7920 1 inch = 10 chains = 1/8 Mile
1:15840 1 inch = 20 chains = 1/4 Mile
1:31680 1 inch = 40 chains = 1/2 Mile
1:63360 1 inch = 80 chains = 1 Mile
1:600 1 inch = 50 feet
1:1200 1 inch = 100 feet
Land Surveying Units of Measure
1 mile = 8 furlongs; 80 chains; 320 rods; 5,280 feet 1,609.344 meters
1 furlong = 1/8 mile; 10 chains; 40 rods; 660 feet
1 chain = 4 rods; 66 feet; 100 links
1 rod = 25 links; 16.5 feet
1 link = 1/100 chain; 7.92 inches
1 acre = 10 square chains; 160 square rods; 4,840 square yards; 43,560 square feet;
1 hectare = 10,000 square meters;
1 acre = approximately 0.4047 hectare;
i hectare = approximately 2.4711 acres;
25 links make a rod, pole or perch (16.5 feet).
100 links make a chain.
1000 links make a furlong.
8000 links make a mile.
The international foot is defined to be exactly 0.3048 meters
The international inch is defined to be exactly 25.4 millimeters
The international mile is defined to be exactly 1609.344 meters
1 US Survey Foot is 1200/3937 meter exactly (1893)
USGS Map Scales
1:12,000 1 inch = 1,000 feet Accuracy +/- 33 feet
1:24,000 1 inch = 2,000 feet 1 inch = 7.5 minutes Accuracy +/- 40 feet
1:50,000 1 inch = 4,166 feet
1: 1,000 1 cm = 10 meters
1: 10,000 1 cm = 100 meters
1:100,000 1 cm = 1 kilometer
US Military Map Scales
1: 5,000 1 cm = 50 Meters City (detailed)
1: 12,550 1 cm = 125 Meters City Topographic
1: 25,000 1 cm = 0.25 kilometer 250 Meters
1: 50,000 1 cm = 0.50 kilometer 500 Meters Standard Scale The map of choice for land navigators
1: 100,000 1 cm = 1 kilometer 1,000 Meters Medium Scale
1:1,000,000 1 cm = 10 kilometer 10,000 Meters Small Scale
1: 250,000 1 cm = 2.5 kilometer 2,500 Meters Medium Scale Topographic maps
contain additional information needed
in joint air-ground operations
Product Type Map Scale Grid Interval
Urban maps 1:3,000 100 meters
Topographic Map (TM) 1:25,000
1:50,000
1:100,000 1,000 meters
Joint Operations Graphic (JOG) 1:250,000 10,000 meters
Alberta Survey Plans and Sketches
Scale may only be
1:500
1:1,000
1:2,000
1:2,500
1:5,000
1:10,000
Plan Size
No smaller than 21.59 x 27.94 cm - Letter Size 8.5 by 11 inches
No larger than 75.00 x 300.00 cm 29.82 by 118.11 inches
There must be a 1 cm margin of white space from the border of the plan.
Paper Sizes
Centimeters Inches Points
Width Height Width Height Width Height
Letter 21.59 27.94 8.5 11 612 792
Legal 21.59 35.56 8.5 14 612 1008
Ledger 27.94 43.18 11 17 792 1224
There are 72 points to an inch.
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