Example calculations for hypothetical "To-Do List Manager" Application |
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grey boxes are the input numbers, gathered from research, that you can adjust to see changed impact on the bottom line |
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note: "point estimate" means "best guess" |
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How many hours are we saving each user with the new app, per month? |
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conservative |
point estimate |
optimistic |
what is the +/- assumption? |
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time spent on the task before the new app |
1.50 |
2.00 |
2.50 |
0.50 |
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decrease in time spent on the task with the new app |
25.00% |
35.00% |
45.00% |
10.00% |
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number of tasks per month |
30.00 |
40.00 |
50.00 |
10.00 |
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how many hours are we saving each user, per month |
11.25 |
28.00 |
56.25 |
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How many hours will we save the company before the Minimum Valuable Product period expires? |
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conservative |
point estimate |
optimistic |
what is the +/- assumption? |
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users per team |
8 |
10 |
12 |
2 |
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months it will take to fully on board all teams? |
30 |
24 |
18 |
6 |
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new user teams per month, on average |
1.67 |
2.08 |
2.78 |
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number of months the MVP is useful before it needs revamping |
18 |
24 |
30 |
6 |
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total number of **user teams** onboarded before MVP expires |
30 |
50 |
50 |
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total number of *users* onboarded before MVP expires |
240 |
500 |
600 |
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total number of user-months before MVP expires* |
2160 |
6000 |
9000 |
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total number of hours this app saves the company before the MVP expires |
24300 |
168000 |
506250 |
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How many hours are we effectively 'adding' from increased happiness? |
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conservative |
point estimate |
optimistic |
what is the +/- assumption? |
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percentage increase in productivity |
3% |
5% |
7% |
2% |
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total number of hours that our users spend working overall, weekly* |
4800 |
10000 |
12000 |
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effective increase in hours worked, weekly |
144 |
500 |
840 |
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effective increase in hours worked before the MVP expires |
10368 |
48000 |
100800 |
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How many total hours are we creating for the company? |
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conservative |
point estimate |
optimistic |
what is the +/- assumption? |
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total hours created by this MVP |
34668 |
216000 |
607050 |
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What is the ROI of this team? |
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conservative |
point estimate |
optimistic |
what is the +/- assumption? |
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how many weeks it takes to generate the MVP |
16 |
12 |
8 |
4 |
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collective hours spent on the MVP |
6400 |
4800 |
3200 |
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ROI of the investment in this team to build the MVP |
5 |
45 |
190 |
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maintenance hours needed per week once the MVP is done |
40 |
40 |
40 |
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total hours of maintenance needed before the MVP expires |
2880 |
3840 |
4800 |
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ROI of the investment in this team to build the MVP inclusive of ongoing maintenance |
4 |
25 |
76 |
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* dividing by 2 here to roughly account for iterative user onboarding |
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