VERTCON - North American Vertical Datum Conversion

• NGS Home
• About NGS
  • What does NGS do?
  • Activities in my area
  • Apply for Grant from NGS
  • Contracting Opportunities
  • Employment Opportunities
  • FAQ
  • Future (10 yr) plans
  • County Scorecard
  • History of NGS and USCGS
  • Hydrographic Services Review Panel (HSRP)
  • Learn about the NSRS
  • Policies
  • Products and Services
• Data & Imagery
  • Survey Mark Datasheets
  • GPS Data (CORS)
  • GPS Data (Real-Time)
  • Aerial Images (Storm)
  • Aerial Images (Coast)
  • Aeronautical Data
  • Antenna Calibration Data
  • NGS Data Explorer
  • GEOID (12A, 09, 06, 03, 99)
  • Gravity Data
  • Orbit Data
  • NGS orthomosaics and lidar
  • Shoreline Data
  • Storm Imagery (Irene)
  • Storm Imagery (Joplin)
  • Storm Imagery (Tuscaloosa)
• Tools
  • Adjust Leveling (LOCUS)
  • Geodetic Tool Kit
  • Process GPS data (OPUS)
  • Coordinate Transformation
  • Datum Transformation (NADCON)
  • Vertical Conversions (VDATUM)
  • Download PC Software
  • GEOID12A Toolkit
  • GEOID09 Toolkit
  • GPS Toolbox
  • HTDP
  • Online Adjustments
  • State Plane Coordinates
  • US National Grid
  • UTM Coordinates
  • VERTCON
  • XYZ Conversion
• Surveys
  • Active Geodetic Control (CORS)
  • Adjust Leveling (LOCUS)
  • Survey Mark Datasheets
  • Process GPS data (OPUS)
  • Calibration Base Lines (CBLs)
  • Geodetic Control Subcommittee (FGCS)
  • User-submitted Survey Projects (Bluebooking)
  • GRAV-D
  • Geoid Slope Validation Survey of 2013
  • Geoid Slope Validation Survey of 2011
  • Height Modernization
  • Leveling
  • Mark Recovery
  • NAD 83(2011) epoch 2010.00 coordinates on passive control
  • Publications
  • Survey Project Proposal Form
• Science & Education
  • Datums ▶
    • What is a datum?
    • Vertical
    • FAQs
  • Ecosystems and Climate
  • Geodesy
  • Geodetic Advisors
  • Geodetic Resources
  • Geoid
  • GPS
  • Presentation Library
  • Publications
  • Remote Sensing
  • Research
  • Conferences/Training