Horizon Estimator
Horizon
Tree Distance
Image Source
JPEG, PNG, WebP, GIF, AVIF, BMP, TIFF
Sensor Type
Full Frame (36x24 mm)
APS-C Canon (22.3x14.9 mm)
APS-C Nikon/Sony (23.5x15.6 mm)
Micro 4/3 (17.3x13 mm)
1-inch type (13.2x8.8 mm)
Phone large sensor (1/1.3" approx)
Phone main sensor (1/2.5" approx)
Custom...
Custom Sensor Height (mm)
Focal Length (mm)
Elevation AMSL
(m)
Height above Ground
(m)
Camera Location
(°)
Pointing At
(lat, lon °)
Target Elevation
(m AMSL, 0 = sea level)
Camera Tilt (Pitch)
(+ down / - up)
Camera Roll
(Horizon rotation)
Line Color
MSL Level Color
Target Marker Color
Horizon Thickness
(px)
2
Sea Level Thickness
(px)
2
Terrain Zero Color
Terrain Zero Thickness
(px)
2.5
Show Overlays
Curved horizon
MSL level (true horizontal)
Target / sea-level marker
Terrain zero elevation (DEM)
Refresh terrain line
Open-Meteo elevation (Copernicus DEM ~90 m). Enter coords, then click Refresh. One API call (~52 points).
Focal Length (mm)
Estimated Object Height (meters)
Image Measurement
Click the base and top of the tree, then drag either endpoint to adjust.
Clear Measurement
Reset All Values
Clears local storage and restores default settings.
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100%
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Fit