Level-run closure arithmetic

Level-run closure arithmetic with explicit inputs, units and reproducible calculations.

Inputs

• Known start elevation (m)
• Known end elevation (m)
• Observed total elevation change (m)
• Run length (km)

Assumptions and limitations

Closure arithmetic and proportional correction rate only. No survey-order tolerance, acceptance classification or least-squares adjustment.

Source

Calculation source

Interactive calculators require JavaScript and the calculation service.