Robot payback period: when does a ₹50 lakh robot pay for itself?
SRF Capital Studio Research DeskFunding Intelligence, SRF Capital StudioMost payback sums turn on one line, the cost of the people the robot frees, and Indian wages move that line a long way.
Summary
- Payback is the full installed cost of a robot cell divided by what it saves each year, after its own upkeep.
- In our illustration a ₹48 lakh cell pays back in 2.2 years if each worker costs ₹7 lakh. At a more typical ₹2.5 lakh it takes 3.8 years.
- At Indian wages, the scrap a robot avoids and the extra shifts it runs can matter more than the people it frees.
A robot vendor's spreadsheet and a plant owner's spreadsheet often disagree on one cell: what a worker costs. Change that single number and a two-year can stretch to four. Here is how to do the sum yourself.
How do you calculate a robot's payback period?
Divide the total installed cost by the net saving each year. The answer is the number of years before the robot has paid for itself.
Both halves are easy to get wrong. The installed cost covers far more than the arm: the gripper, fixtures, guarding, integration, programming, installation, training and a first set of spares. Our note on what a cobot costs in India breaks that bill down.
The net saving is the wages of people who actually leave the job, plus scrap and rework avoided, plus any extra output you can sell. Subtract the robot's power, upkeep and spares, and the person who still tends it. Keep a little each year for repairs nobody planned.
Which wage belongs in the payback sum?
Use what a worker costs you, which is well above take-home pay. Indeed puts the average Indian factory worker at ₹12,172 a month, though on only 32 salaries (May 2026). Its Chennai figure is ₹19,243.
On top come provident fund, ESI, bonus, leave, canteen and supervision. Since 21 November 2025 the new labour codes also count at least half of total pay as wages when gratuity is worked out. That raises on-costs for many employers.
By our estimate, a semi-skilled worker costs roughly ₹2 lakh to ₹3 lakh a year all in, and we use ₹2.5 lakh. A skilled welder or CNC setter costs more.
How does the sum work for a ₹48 lakh cell?
Take an auto-parts maker in Nashik. It is an illustration with round numbers, not a client. Four people run a press-fitting job across two shifts. About 3% of parts fail, which costs ₹8 lakh a year in scrap and rework, and absence and rehiring cost another ₹2 lakh.
An integrator quotes ₹48 lakh for a cobot cell, fully installed. Two people stay on to load material and check quality. Defects fall to 0.3%, and the cell needs about ₹1.5 lakh a year in power and upkeep.
Payback on an illustrative ₹48 lakh press-fitting cell under three sets of assumptions
| ₹ lakh a year | Two shifts, ₹7 lakh a worker | Two shifts, ₹2.5 lakh a worker | Three shifts, ₹2.5 lakh a worker |
|---|---|---|---|
| Labour before | 28.0 | 10.0 | 15.0 |
| Scrap and rework before | 8.0 | 8.0 | 12.0 |
| Absence and rehiring before | 2.0 | 2.0 | 3.0 |
| Cost before | 38.0 | 20.0 | 30.0 |
| Labour after (half the team) | 14.0 | 5.0 | 7.5 |
| Scrap and rework after (0.3% defects) | 0.8 | 0.8 | 1.2 |
| Power and upkeep of the cell | 1.5 | 1.5 | 2.0 |
| Cost after | 16.3 | 7.3 | 10.7 |
| Saving a year | 21.7 | 12.7 | 19.3 |
| Payback on ₹48 lakh | 2.2 years | 3.8 years | 2.5 years |
The first column values each worker at ₹7 lakh a year. That fits a skilled trade, and few Indian plants pay it for press-fitting. At ₹2.5 lakh the same cell takes 3.8 years.
Now look at the middle column. Freeing two workers saves ₹5 lakh a year, while cutting defects saves ₹7.2 lakh. At Indian wages, this robot earns more by cutting scrap than by replacing people.
At Indian wages, this robot earns more by cutting scrap than by replacing people.
A third shift changes the picture again. The cell's price is fixed, so every extra hour of work earns against the same ₹48 lakh, and payback falls to 2.5 years. The same logic decides whether renting a robot is worth it.
Is a four-year payback too slow?
Often it is fine, if the robot keeps working. When the International Federation of Robotics estimates the world's robot fleet, it assumes an industrial robot stays in service for 12 years on average. An earlier IFR study suggested closer to 15.
Money has a cost, so later savings are worth less than today's. At 12% a year, ₹12.7 lakh saved every year for ten years is worth about ₹72 lakh today. That covers the ₹48 lakh spent with room to spare.
The bigger risk is that the job disappears. If your biggest customer moves the part to another supplier in year two, the cell earns nothing until it finds new work. Ask how easily it can be retaught before you buy.
When does a robot fail to pay back?
- The process is not yet stable. If defects come from causes nobody has found, a robot repeats them faster. Fix the process first, as Toyota's jidoka teaches.
- Batches are short and change often, so the cell spends its days being reset.
- It runs a single shift and sits idle for two-thirds of every day.
- The job needs judgment about irregular parts.
Five checks before you sign the order
- Measure scrap and rework on the job for a month, in rupees.
- Use your own cost per worker, and count only the people who actually move off the job.
- Run the sum at one, two and three shifts.
- Ask the integrator for the yearly upkeep in rupees, spares included.
- Match the loan to the payback, so instalments stay within what the cell saves.
If the process needs fixing before it can be automated, our process optimisation work starts there. For funding the cell, see our debt and blended capital practice. Both serve plants across manufacturing.
Frequently asked questions
How is the payback period of a robot calculated?
Divide the full installed cost by the net saving each year: wages freed, scrap avoided and extra output, less the robot's power and upkeep.
What does an industrial robot cost in India?
Several IndiaMart sellers ask about ₹11 lakh to ₹18 lakh for Yaskawa and Fanuc welding arms in October 2026, though not every listing says new or used. A finished cell costs far more than the arm.
How do you calculate robot ROI?
Divide the yearly net saving by the installed cost. For a payback beyond two years, discount the savings at your cost of money, as in our example.
Is a cobot cheaper than an industrial robot?
The arm usually is not: listed cobot arms run ₹18 lakh to ₹34 lakh. The cell can be, because it needs less guarding and space.
Are industrial robot costs falling?
Globally, yes. ARK Invest, cited by EY, puts the average industrial robot at about US$23,000 in 2022, down from US$47,000 in 2011. In India, listed rupee prices for the leading cobot brand are higher than in 2016, though the models have changed.
Every line of the example is our illustration; wages are from Indeed India, May 2026.
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Funding Intelligence, SRF Capital Studio
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