HOW TO USE: This spreadsheet is pre-populated with sample data. To solve for your needs, replace the values in the RED cells with known data. All other cells are locked down and will auto-fill as data is calculated.

If a field is not applicable, enter a ZERO.

Disclaimer: These online calculators should be used to derive “first approximations” only. They are provided free-of-charge and are intended to give you estimates only. They do not take into account many variables which a reconstructionist would need to evaluate in order to perform a proper accident reconstruction. McNally & Associates ARS, LLC in no way supports data derived from these calculators.