About WashCalc

WashCalc is a collection of free calculation tools for pressure-washing and exterior-cleaning contractors. The goal is straightforward: make common field calculations easier to check.

Each tool shows its method, a worked example and its limits. No account or paid plan is required. Calculator inputs are processed in your browser.

Independent tools

WashCalc does not claim manufacturer certification, endorsements or affiliations. Product names are used only where they help describe a calculation.

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