Slopeify

Simple pricing

The calculator is free, and so is getting matched with a pro. Pay once only if you need a formal document for a permit or a client.

Free

$0

Everything most projects need.

  • Full wall designer, every material
  • Base width and factors of safety
  • Geogrid reinforcement check
  • Materials takeoff with cost and shop links
  • Permit verdict (the 4-ft rule)
  • Free matching with local contractors and engineers
  • Print or save as PDF, shareable links
Open the calculator
For permits and clients

Pro design report

$29 one-time

A document you can hand to a reviewer.

  • Everything in Free, plus:
  • Branded, permit-ready design report PDF
  • Full earth-pressure and stability calculation sheet
  • Cited code references (IBC 1610.1 and 1806.2)
  • Cross-section drawing with dimensions
  • Saved projects (coming soon)

Ready to build? Skip the guesswork.

Compare quotes from vetted contractors and licensed engineers near you against the numbers you just calculated. It is free and there is no obligation.

Find a pro near you

The Pro report is a planning aid. A wall over 4 ft, or with a surcharge, still needs a licensed engineer's stamped design and a local permit.