- 1Site
- 2Distance
- 3Base
- 4Top
- 5Result
Step 1 of 5
Measurement Record
Identify the site and the object that needs to be measured.
Step 2 of 5
Distance from Surveyor to Object
Measure from the surveyor's standing position to the base of the object. Enter the horizontal ground or floor distance.
Do not enter the diagonal line-of-sight distance.
Use the horizontal distance from the surveyor's feet to the object base.
Measurement sequence
Surveyor → Object Base
Remain in this same standing position for both angle captures.
Step 3 of 5
Capture the Base Angle
Stand in the measured position. Hold the phone upright in portrait orientation and aim the center focus indicator at the exact base of the object.
Locked surveyor-to-base distance
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--
Tap the image to move the focus indicator.
Live angle
--°
Camera preview
Tap “Start Rear Camera” first. Then tap “Enable Gravity Inclinometer.”
Camera status: not started.
Inclinometer source: not enabled.
Base Reading
Aim at Object Base
Capture the lowest point that should be included in the height measurement.
Not captured
Step 4 of 5
Capture the Top Angle
Do not move your feet. Keep the phone upright in portrait orientation and aim the center focus indicator at the highest point that needs to be measured.
Locked measurement inputs
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Base angle: --
Tap the image to move the focus indicator.
Live angle
--°
Camera preview
The existing camera stream will remain active when available. Tap “Start Rear Camera” if the preview is blank.
Camera status: not started.
Inclinometer source: not enabled.
Top Reading
Aim at Object Top
Capture the highest point that should be included in the height measurement.
Not captured
Step 5 of 5
Height Estimate Ready
Estimated Height
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--
Same-level fallback using camera height
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Calculation Reference
How the Estimate Is Calculated
Angle method
height = distance × (tan(top angle) − tan(bottom angle))
Local Device Storage
Saved Measurements
Saved records remain in this browser until they are deleted or browser storage is cleared.