70% Rule Calculator (Real Estate)

Max offer = (ARV × 70%) − Rehab cost

ARV × rule
Max purchase offer

Standard flipper heuristic. The 30% spread covers holding, selling, financing, and target profit.

About this tool

70% Rule Calculator (Real Estate) is a single-purpose utility on instant.tw, a free toolbox of calculators, converters, generators, and quick lookups. Everything works in your browser — nothing is uploaded, nothing is stored on a server unless explicitly noted.

Category: Real Estate — Practical. Browse more Real Estate — Practical tools.