Scale types
Representative fraction 1 : M, verbal scale «1 cm = N m», graphic scale bar.
Scale accuracy
Ground distance of 0.1 mm on the map: M × 0.0001 m.
Areas
Square the scale: at 1 : 10 000, 1 cm² = 1 ha.
Map scale calculator: representative fraction, verbal scale, scale accuracy, distances and areas
Enter a scale and a length or area — the calculator converts it between map and ground, shows the verbal scale and scale accuracy and draws a scale bar.
FAQ
How to convert 1:M to a verbal scale?
Drop two zeros for metres per cm: 1 : 25 000 → 1 cm = 250 m.
What is scale accuracy?
Ground distance of 0.1 mm on the map, M × 0.0001 m.
How to get ground distance from a map?
Multiply the map length in cm by metres per cm.
How to convert area?
Multiply by the square of metres per cm.
How to find the map scale?
M = ground length ÷ map length in the same units.