Loyalty program ROI calculator

How it works

How the calculator works

The calculator starts from the purchases your enrolled partners make today: partners multiplied by average annual purchases. It applies the sales lift you expect the program to deliver, and turns the extra sales into extra gross margin using your margin percentage.

On the cost side it adds two things. The rewards budget is the value of points and rewards partners redeem, set as a share of their purchases. Running cost covers everything else — the platform, fulfilment of physical rewards, helpdesk and the team that runs the program.

Net return is extra gross margin minus total program cost. ROI is net return divided by total program cost. A positive ROI means the program pays for itself out of the margin it creates.

Getting good inputs

How to choose realistic numbers

The sales lift is the number that matters most, and it is an assumption. The most reliable way to set it is from your own data: compare partners who took part in a past scheme with similar partners who didn't, or run a pilot in one region before a national launch.

Use gross margin on the extra sales, not net profit, because fixed costs don't grow with a program. Set the rewards budget at the level you'd be comfortable sustaining for at least a year; partners lose trust in programs whose rewards shrink or pause.

Run the calculator more than once — with a cautious, an expected and an optimistic lift — and check the program still makes sense in the cautious case.

• Base the lift on a pilot or past scheme where you can
• Use gross margin, not net profit
• Include fulfilment and team cost, not just software
• Test a cautious case as well as the expected one

Worked example

A worked example (illustration only)

These numbers are the calculator's starting values, used purely to show how the maths works — they are not a benchmark. Suppose 2,000 partners each buy ₹5,00,000 a year, so their combined purchases are ₹100 crore.

If you assume a 5% sales lift, the program adds ₹5 crore of sales. At a 25% gross margin, that is ₹1.25 crore of extra gross margin.

On the cost side, a rewards budget of 1% of enrolled partners' purchases (including the extra sales) is about ₹1.05 crore, and running cost is ₹10 lakh, so total program cost is about ₹1.15 crore. Net return is ₹1.25 crore minus ₹1.15 crore, roughly ₹10 lakh, and ROI is about 9%.

Notice how sensitive the result is to the lift assumption. At a 3% lift the same program loses money; at 8% it returns far more. That is why it is worth basing the lift on a pilot or past scheme, and testing a cautious case before committing.