Free Tool

Auto Repair Cash Flow Calculator

Calculate cash flow for your auto repair business using industry-specific benchmarks and defaults.

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Monthly Cash Flow

$2,500

Net cash in or out each month

Monthly Burn Rate

$0

Cash spent beyond revenue (if negative)

Cash Runway

Months your reserves will last

Annual Cash Flow

$30,000

Projected 12-month net cash flow

How to Use This Cash Flow Calculator

Enter your monthly revenue — the cash actually collected each month, not just invoiced. For auto repair businesses, revenue comes from Labor (repair services), Parts sales, Oil changes & maintenance. Use an average month or run the calculation for both peak and slow months.

Enter your total monthly expenses — everything that leaves your bank account. Include Parts & materials (COGS), Technician labor, Rent & occupancy, Equipment & tools, plus loan payments and any other recurring costs.

Need more than a calculator for your auto repair finances?

Our Auto Repair Cash Flow Template gives you a complete, ready-to-use Excel spreadsheet with industry-specific categories, formulas, and dashboards. Skip the setup — start analyzing in minutes.

Cash Flow Calculator for Auto Repair Businesses

Cash flow management is the difference between a auto repair business that survives and one that thrives. Even profitable businesses fail when they run out of cash — a common scenario when revenue is seasonal, customers pay late, or a large expense hits unexpectedly. This calculator gives you a clear picture of your monthly cash position and how long your reserves will last.

Busiest in summer (June–August) and spring (March–May) for maintenance and travel prep; January–February are consistently the slowest months. Understanding these patterns is critical for auto repair businesses. Build cash reserves during peak months to cover fixed costs during slower periods. Key costs like Parts & materials (COGS), Technician labor, Rent & occupancy don't stop during slow months, so your cash reserves need to bridge the gap.

Auto Repair Industry at a Glance

Financial templates built for auto repair shops — from single-bay independents to multi-location service centers. Pre-loaded with labor, parts, and overhead categories specific to the automotive service industry.

Revenue Drivers

  • Labor (repair services)
  • Parts sales
  • Oil changes & maintenance
  • Diagnostics & inspections
  • Tire sales
  • Shop supplies fees

Key Cost Categories

  • Parts & materials (COGS)
  • Technician labor
  • Rent & occupancy
  • Equipment & tools
  • Utilities
  • Insurance
  • Marketing & advertising
  • Shop supplies

Typical Margins

Gross: 50-60% · Net: 5-15%

Seasonality

Busiest in summer (June–August) and spring (March–May) for maintenance and travel prep; January–February are consistently the slowest months.

Key Performance Indicators

Average Repair Order (ARO)Car countEffective Labor Rate (ELR)Technician efficiencyParts-to-labor ratioGross profit per available labor hour

Frequently Asked Questions