Leveling Calculator

Calculate height differences, closure errors, and adjustments for differential leveling surveys — free surveying tool

Starting Elevation

Elevation (m)

Survey Readings

PtBacksight BS (m)Foresight FS (m)

Leveling Computation Table

Pt	BS (m)	HI (m)	FS (m)	Rise (m)	Fall (m)	Elevation (m)
1	1.542	101.542	-	-	-	100.000
2	1.235	101.859	0.918	0.624	-	100.624
3	1.672	102.186	1.345	-	0.110	100.514
4	-	-	0.876	0.796	-	101.310
Total	4.449	-	3.139	1.420	0.110	101.310

Check & Closure

Sum BS - Sum FS

1.310 m

Rise - Fall

1.310 m

Last Elev - Start Elev

1.310 m

Closure Error

0.000000 m