UAC
⚑Side Hustle Profit

Event & Equipment Rental Profit Calculator

Is your rental equipment actually making money?

What This Does

Renting out equipment looks like easy passive income. The reality is more complicated. Depreciation silently erodes every dollar of revenue, insurance and storage are fixed costs whether the equipment sits idle or not, and self-employment tax hits independent rental income at 15.3% before income tax. Most people evaluating equipment rental dramatically overestimate profit because they skip these costs. This calculator runs the full math: you enter your equipment cost, rental rate, utilization, and every operating cost, and it returns your true monthly net after depreciation, maintenance, transport, insurance, SE tax, and income tax. It also gives you the annual ROI on your capital investment β€” so you can compare it against leaving that same money in an index fund. The break-even utilization figure is especially important: you need to know exactly how many rental days per month you need before your equipment starts making money rather than losing it. Whether you're renting bounce houses, photography gear, camping equipment, party supplies, or AV equipment, the economics follow the same pattern. Get the real number before you buy inventory.

Assumptions
  • Β·Depreciation is calculated as straight-line over the equipment useful life you enter
  • Β·Self-employment tax is 15.3% on 92.35% of net income
  • Β·Income tax is applied after deducting half the SE tax
  • Β·Maintenance percentage is applied annually to equipment purchase cost
When Should You Use This?
  • β†’Evaluating whether to buy inventory to rent out β€” see projected ROI vs. alternative investments
  • β†’Already renting equipment and want to know your true profit after all costs
  • β†’Deciding how much to charge β€” find your break-even rate and minimum viable price
  • β†’Scaling decisions β€” how many more rental days do you need to justify adding inventory
  • β†’Tax planning β€” estimate self-employment and income tax liability before buying
Example Scenario

Marcus spent $4,800 on a commercial bounce house and inflatable water slide. He charges $350 per event and books about 5 events per month. His gross monthly revenue looks like $1,750. But after depreciation ($80/mo), storage unit ($120/mo), liability insurance ($90/mo), transport fuel ($150/mo), and maintenance reserve ($40/mo), his cash costs are $480/month. Net before tax is $1,270. After SE tax and income taxes, he keeps about $890/month. His ROI is 22% annually β€” decent, but only if he consistently hits 5 events. Drop to 3 events and he's barely breaking even.

πŸŽͺ Event & Equipment Rental Calculator

ROI Β· Monthly P&L Β· Utilization Scenarios Β· Break-Even Analysis

Results update in real time as you type. Includes depreciation, SE tax, payback period, and S&P 500 comparison.

πŸŽͺ Equipment & Pricing

$
$
days
yrs

⏱️ Time & Labor

hrs

Setup + delivery + pickup + cleaning

$

What could you earn per hour otherwise?

πŸ’° Ongoing Costs

%
$
$
$
%

SE tax (15.3%) calculated separately

About This Calculator

This event equipment rental ROI calculator computes monthly net income, annual ROI, real hourly rate, payback period, and break-even utilization from 11 real-time inputs via useEffect. Key formulas: monthlyRevenue = rentalPricePerDay x rentalDaysPerMonth. depreciationMonthly = equipmentCost / (equipmentLife x 12). maintenanceMonthly = (equipmentCost x maintenancePct) / 12. transportMonthly = transportPerEvent x daysPerMonth. totalCostsMonthly = depreciation + maintenance + storage + insurance + transport. seTax = annualNet x 0.9235 x 0.153. realHourly = (netAfterTax/12) / (setupHours x daysPerMonth). roiPct = (netAfterTax / equipmentCost) x 100. breakEvenDays = totalCostsMonthly / rentalPricePerDay.

P&L tab: donut PieChart splitting monthly revenue into 7 cost categories with side legend, plus fixed vs variable cost breakdown cards. Utilization tab: BarChart of monthly net at 8 utilization levels (2-20 days/mo) with ReferenceLine at break-even, green/red color coding, current highlighted, plus utilization table with surplus/deficit profit days column. ROI tab: LineChart comparing cumulative rental net (accent color) vs S&P 500 7%/yr compounding (gray dashed) over equipment life starting at negative equipment cost, crossing zero at payback, plus ROI summary cards and investment context.

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Common Mistakes to Avoid
  • βœ•Ignoring depreciation: rental equipment isn't free to use β€” it wears out and must eventually be replaced
  • βœ•Forgetting insurance: personal policies typically don't cover equipment being used by paying customers
  • βœ•Underestimating idle costs: fixed costs (storage, insurance) run even when utilization is zero
  • βœ•Skipping SE tax planning: independent rental income is subject to 15.3% SE tax before income tax
Frequently Asked Questions

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