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Side hustle ROI calculator

Is your side hustle actually worth it? From revenue, running costs, hours and any start-up spend, it works out profit, the return on investment, and your real hourly rate — then compares that against your day-job wage so you can see if the time pays off.

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The Side hustle ROI calculator turns Revenue, Running expenses, Hours invested, Upfront cost (optional), Day-job hourly rate (optional) into Profit, ROI, Your hourly rate, vs day job (per hour), instantly and for free. For instance, with Revenue = $1,200.00, Running expenses = $300.00, Hours invested = 20, Upfront cost (optional) = $500.00 and Day-job hourly rate (optional) = $25.00 it returns Profit = $900.00, ROI = 112.5% and Your hourly rate = $45.00.

How to use it

  1. Enter your values: Revenue, Running expenses, Hours invested, Upfront cost (optional), Day-job hourly rate (optional).
  2. Read the result instantly: Profit, ROI, Your hourly rate, vs day job (per hour).

Frequently asked questions

What does the Side hustle ROI calculator actually compute?

It takes Revenue, Running expenses, Hours invested, Upfront cost (optional) and Day-job hourly rate (optional) and derives Profit, ROI, Your hourly rate and vs day job (per hour) from them. The calculation is live as you type, so the result updates on every change.

What information do I need to provide?

5 values: Revenue ($), Running expenses ($), Hours invested, Upfront cost (optional) ($) and Day-job hourly rate (optional) ($). Nothing else is required — no account, no file upload.

Can you show a worked example?

With Revenue = $1,200.00, Running expenses = $300.00, Hours invested = 20, Upfront cost (optional) = $500.00 and Day-job hourly rate (optional) = $25.00, the calculator returns Profit = $900.00, ROI = 112.5% and Your hourly rate = $45.00. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

What happens if I enter larger values?

It moves a lot. Using Revenue = $2,400.00, Running expenses = $600.00, Hours invested = 40, Upfront cost (optional) = $1,000.00 and Day-job hourly rate (optional) = $28.00 instead, Profit goes from $900.00 to $1,800.00 — which is why it is worth testing a few scenarios rather than trusting a single figure.

What does it give for smaller values?

Scaled down to Revenue = $600.00, Running expenses = $150.00, Hours invested = 10, Upfront cost (optional) = $250.00 and Day-job hourly rate (optional) = $23.00, Profit comes out at $450.00. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Running the week: issuing an invoice or a quote, knowing what is in stock and what to reorder, and seeing whether cash covers what is due.

What is the most common mistake?

Reading profit as cash. A profitable month with sixty-day payment terms can still leave the account empty — the two numbers answer different questions.

What is the difference between the Side hustle ROI calculator and the ROI calculator (return on investment)?

This one returns Profit and ROI; the ROI calculator (return on investment) returns Net profit and ROI (%). That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Project ROI calculator is the closest one after this: Compute profit and return on investment from cost and revenue.

What else is worth having open alongside it?

Fixed charge coverage ratio (FCCR) calculator and ROCE calculator — they come up in the same task often enough to be worth a second tab.

Further reading

All guides →
ExplainerThe Side-Activity Threshold Is a Rate, Not an AmountEveryone asks from what turnover a side activity starts to pay. The question has no answer, because the number that decides it is what an hour of yours is worth — and once that is in the calculation, the threshold stops being a sum of money and becomes a rate per hour that does not move with volume.ExplainerReturn on Assets: What the Ratio Says About a Business, and What It HidesReturn on assets, return on net assets and return on capital employed are one family with two moving parts. On the same balance sheet they read 8.3%, 10.2% and 15.6% — and the two steps between them are exactly the two decisions you are making.GuideCosting the Return of an Internal Project That Generates No RevenueThe migration, the tooling change, the process fix: the most common business case there is and the least documented. The value is avoided cost plus recovered time — and on a $130,000 migration, 60.5 % of the recovered hours have to be genuinely redeployed before the five-year net present value even reaches zero.ComparisonStraight-Line vs Declining-Balance DepreciationBoth methods write off exactly the same total cost. Only the timing differs — and timing is worth money. A full year-by-year schedule for one asset, the crossover year, the switch-to-straight-line convention, and the present value of the tax deferral computed at 8%.How-toWhat Is ROI and How Do You Calculate It?ROI measures your gain relative to what you invested, as a percentage. Here's the formula, a worked example, and what ROI leaves out.ExplainerFixed-Charge Cover: the Ratio a Landlord or a Lender Looks AtThe same company, the same year, reads 1.02×, 1.52× or 2.56× depending on where rent is put and whether principal is grossed up for tax. Two of those pass a 1.25 covenant and one does not.