You charge a kit fee every time you show up to set with your own gear. Over months and years, that adds up to a significant amount of income. But here's a question most crew members can't answer: has your camera body actually paid for itself yet? What about that lens you bought two years ago? Or the monitor you added to the package last spring?
If you can't answer those questions, you're making equipment decisions blind. This guide walks through exactly how to calculate payback on your kit, how to allocate a lump kit fee across individual items, and what the numbers actually mean once you have them.
What "paid for itself" means for kit fees
When you charge a kit fee, you're essentially renting your own equipment to the production. The income from that rental offsets the original purchase cost of each item over time.
An item has "paid for itself" when the total kit fee income attributable to that item equals or exceeds its purchase price. At that point, every future dollar earned is profit on the original investment.
Payback Percentage = (Total Kit Fee Income for Item / Purchase Cost) x 100
At 100%, the item has broken even. At 150%, you've earned 50% more than you paid. At 50%, you're halfway there.
This is the single most useful number for any piece of gear you own. It tells you whether an item is a good investment, a marginal one, or a money pit.
The allocation problem: splitting a lump kit fee
Here's the practical challenge. You don't charge separate fees for each item in your kit. You charge one daily kit fee for the whole package. A camera operator might charge $750 per day for a camera package that includes eight or more items.
To calculate payback per item, you need to allocate that $750 across everything in the kit. The most practical method is proportional allocation by replacement value.
Here's how it works:
- List every item in your kit with its current replacement cost
- Add up the total replacement value
- Calculate each item's percentage of the total
- Apply that percentage to your daily kit fee
The item's share of the kit fee reflects its share of the total kit value. A $5,500 camera body in a $20,000 kit gets a larger allocation than a $300 battery plate.
Worked example: camera operator at $750 per day
Let's walk through a real scenario. You're a camera operator charging $750 per day for your camera package. Here's your kit:
| Item | Replacement Cost | Share of Kit | Daily Allocation |
|---|---|---|---|
| Sony FX6 body | $5,998 | 30.0% | $225.00 |
| Sony 24-70mm f/2.8 GM II | $2,298 | 11.5% | $86.25 |
| Sony 70-200mm f/2.8 GM II | $2,798 | 14.0% | $105.00 |
| Sony 16-35mm f/2.8 GM II | $2,298 | 11.5% | $86.25 |
| SmallHD Cine 7 monitor | $2,499 | 12.5% | $93.75 |
| Sachtler Ace XL tripod system | $1,200 | 6.0% | $45.00 |
| V-mount battery kit (4 batteries + charger) | $1,100 | 5.5% | $41.25 |
| Accessories (cards, cables, matte box, filters) | $1,800 | 9.0% | $67.50 |
| Total | $19,991 | 100% | $750.00 |
Now you can calculate payback for each item. If you worked 80 kit fee days last year:
- Sony FX6 body: 80 days x $225 = $18,000 earned. Purchase cost was $5,998. Payback: 300%. This camera has paid for itself three times over.
- Sony 24-70mm f/2.8 GM II: 80 days x $86.25 = $6,900. Purchase cost $2,298. Payback: 300%.
- SmallHD Cine 7: 80 days x $93.75 = $7,500. Purchase cost $2,499. Payback: 300%.
At 80 days per year, every item in this kit pays for itself within the first year. That's an excellent position to be in.
But not everyone works 80 kit fee days. Let's look at a more moderate scenario.
Worked example: 35 kit fee days per year
Same kit, same $750 per day rate, but 35 working days with your kit (roughly three days per month, which is realistic for many freelancers who mix kit fee work with other gigs). If you're unsure whether your rate is competitive, the kit fee pricing guide covers current benchmarks.
- Sony FX6 body: 35 days x $225 = $7,875 per year. At a purchase cost of $5,998, it pays for itself in about 9 months.
- Sony 24-70mm: 35 days x $86.25 = $3,019 per year. Purchase cost $2,298. Pays for itself in about 9 months.
- SmallHD Cine 7: 35 days x $93.75 = $3,281 per year. Purchase cost $2,499. Pays for itself in about 9 months.
Even at a moderate work rate, this kit has strong payback numbers. Every item reaches 100% in under a year.
Now compare that to someone working just 15 kit fee days per year:
- Sony FX6 body: 15 days x $225 = $3,375 per year. Takes about 21 months to pay for itself.
- SmallHD Cine 7: 15 days x $93.75 = $1,406 per year. Takes about 21 months.
Still workable, but the timeline stretches significantly. And if the gear depreciates faster than it earns, you could end up underwater.
Worked example: gaffer at $400 per day
Different role, different numbers. A gaffer charging $400 per day for a lighting and grip package:
| Item | Replacement Cost | Share of Kit | Daily Allocation |
|---|---|---|---|
| Aputure 600d Pro (x2) | $3,600 | 30.0% | $120.00 |
| Aputure 300x (x2) | $2,400 | 20.0% | $80.00 |
| Light stands and C-stands (set) | $1,800 | 15.0% | $60.00 |
| Diffusion frames and silk set | $1,200 | 10.0% | $40.00 |
| Gel and diffusion kit | $600 | 5.0% | $20.00 |
| Power distribution and cables | $1,200 | 10.0% | $40.00 |
| Sandbags and grip accessories | $1,200 | 10.0% | $40.00 |
| Total | $12,000 | 100% | $400.00 |
At 50 kit fee days per year:
- Aputure 600d Pro pair: 50 x $120 = $6,000. Purchase cost $3,600. Payback: 167% in year one.
- C-stands and light stands: 50 x $60 = $3,000. Purchase cost $1,800. Payback: 167%.
Lighting and grip gear tends to have excellent payback ratios because the equipment is durable, holds its value well, and productions always need it.
Factoring in depreciation
Payback percentage tells you how much of the purchase price you've earned back. But it doesn't account for the fact that your gear is losing resale value over time.
A more complete picture includes depreciation. Here's a simplified approach:
Adjusted Payback = Total Kit Income for Item / (Purchase Cost - Current Resale Value)
If you bought a camera for $5,998 and it's now worth $3,500 on the used market, the amount you actually need to earn back (the net cost to you after resale) is $2,498. If you've earned $4,000 in kit fees from that camera, your adjusted payback is $4,000 / $2,498 = 160%.
This matters most for items that depreciate quickly, like camera bodies and electronic accessories. Lenses depreciate slowly. Grip gear barely depreciates at all.
The practical takeaway: items that hold their resale value need less kit fee income to justify the purchase. Items that lose value quickly need to earn more, faster.
The formulas you need
Here's a summary of every formula covered above:
Daily allocation per item: Item Daily Allocation = (Item Replacement Cost / Total Kit Value) x Daily Kit Fee
Total kit income per item: Item Total Income = Item Daily Allocation x Number of Kit Fee Days
Payback percentage: Payback = (Item Total Income / Item Purchase Cost) x 100
Months to payback: Months to Payback = Item Purchase Cost / (Item Daily Allocation x Kit Fee Days Per Month)
Depreciation-adjusted payback: Adjusted Payback = Item Total Income / (Purchase Cost - Current Resale Value)
When the numbers don't work
Sometimes you'll run the calculation and find an item has poor payback. Maybe you bought a $3,000 lens that only gets used on 30% of your jobs, and at its allocation rate, it won't pay for itself for four years.
That's valuable information. It doesn't necessarily mean the purchase was wrong. Some items are essential for specific types of work even if they don't get used constantly. But it should inform your future decisions.
If a particular lens is dragging down your kit's overall payback, you might choose to sell it and rent it on the rare occasions you need it. Or you might keep it because it lands you jobs you wouldn't get otherwise. The point is that you're making an informed decision instead of guessing.
Tracking payback automatically with Rental IQ
Running these calculations by hand works for a one-time analysis, but keeping the numbers current over time is a different challenge. Every new job means re-running the allocation, updating totals, and recalculating payback percentages.
Rental IQ automates this entire process with payback tracking and ROI analytics. You define your kit, enter purchase costs, and log your kit fee income. The platform allocates income across items, tracks payback percentages over time, and shows you exactly where each piece of gear stands.
You can see at a glance which items have paid for themselves, which are approaching breakeven, and which are underperforming. When it's time to decide whether to buy a new lens or upgrade your camera body, you have real data to work with instead of a hunch.
Running your kit like a business
The crew members who build long, successful careers with their own equipment are the ones who treat their kit as a business asset, not just a collection of cool gear. Calculating payback is the foundation of that approach.
You don't need to run these numbers on every single item every week. But doing this analysis once a quarter, or whenever you're considering a purchase or sale, will fundamentally change how you think about your equipment investments.
Start with your most expensive items. Run the allocation. Calculate the payback. If the numbers surprise you, good. That means you're learning something about your business that you didn't know before.
