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Calcimator

Survey Transect Calculator

Calculate survey coverage percentage from transect spacing, width, and survey area size.

Inputs

hectares
ft
ft
mph

Results

Number of Transects

22

Ground Coverage

13.9%

Total Walk Distance6.96 km
Covered Area13,914 m²
Hours per Surveyor0.9 hrs
Estimated Field Days0.1 days
Transects per Person5.5
How to Use This Calculator
  1. Enter Survey Area, Transect Spacing, and Transect Visibility Width.
  2. Set Walking Speed and Number of Surveyors.
  3. Review Number of Transects and Ground Coverage (%).
  4. Use Total Walk Distance (km) and Covered Area (m²) to inform your decision.
  5. Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Transect Spacing

Transect SpacingNumber of TransectsGround Coverage
112918.3%
3695.7%
6553.2%
9042.5%

What each input means

Survey Area
Total area to survey in hectares.
Transect Spacing
Center-to-center distance between transect lines.
Transect Visibility Width
Effective observation width per walker (ground visibility).
Walking Speed
Average survey walking pace.
Number of Surveyors
Field crew size.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Survey Area = 10, Transect Spacing = 15, Transect Visibility Width = 2, Walking Speed = 2 = 5 input(s) provided
  2. Calculate Number of Transects
    Number of Transects
    22 = 22
  3. Calculate Ground Coverage
    Ground Coverage
    13.9 = 13.9
  4. Calculate Total Walk Distance
    Total Walk Distance
    6.96 = 6.96
  5. Calculate Covered Area
    Covered Area
    13914 = 13914

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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