Mini Golf ROI Calculator: Return on a Miniature Golf Course
Work out the return on a miniature golf course — both the total ROI and the annualized rate — from what you invested to build it and the net profit plus resale it returned over the years you ran it.
Adjust the inputs and select Calculate for a full breakdown.
Year-by-year value projection
Compare Common Scenarios
How the numbers shift across typical situations for this calculator:
| Scenario | Total ROI | Annualized ROI | Net profit |
|---|---|---|---|
| $150k → $270k over 5yr | 80.00% | 12.47% | $120,000.00 |
| $400k → $900k over 8yr (indoor) | 125.00% | 10.67% | $500,000.00 |
| $100k → $130k over 3yr | 30.00% | 9.14% | $30,000.00 |
| $250k → $220k over 4yr (loss) | -12.00% | -3.15% | -$30,000.00 |
How This Calculator Works
Enter your total investment (course build, land/lease, clubhouse, POS), the total returned (net profit over the period plus any resale), and the number of years. The calculator returns total ROI, the annualized rate, and net profit.
The Formula
Return on Investment
V_start = amount invested, V_end = amount returned; annualized ROI = (V_end / V_start)^(1/n) − 1
Worked Example
Invest $150,000, take out $270,000 of net profit over 5 years, and that's an 80% total ROI — about 12.5% a year annualized. Mini golf has appealing economics — high gross margins per round (the course is built once and played repeatedly, with low cost per player), low staffing, and concession and party revenue on top. But it's often seasonal and weather-dependent (outdoor courses earn mostly in warm months), capacity-limited by course size and daylight, and needs upkeep and occasional re-theming to stay fresh.
Key Insight
Mini golf is a classic experience business whose return hinges on a few specific factors. The economics are attractive: once the course is built, the marginal cost per round is tiny, so gross margins are high, and concessions, parties, and group events add revenue with good margins. But outdoor courses are seasonal and weather-dependent — much of the year's revenue is concentrated in warm, dry months — so the annual figure must absorb the slow season; indoor or hybrid courses smooth this but cost more to build. Capacity is limited by the number of holes and operating hours, so revenue is capped without expansion. Land and location are decisive: a course needs visible, accessible space with foot or family traffic, and whether you own or lease the land hugely affects both the investment and the ongoing cost. Maintenance (turf, obstacles, landscaping) and periodic re-theming keep it appealing. As with other experience businesses, reduce the multi-year return to an annualized rate to compare it fairly, and ensure the net profit you enter already accounts for land/rent, staff, maintenance, and insurance — gross admissions overstate the picture, especially given seasonality.
Frequently Asked Questions
How is mini golf ROI calculated?
Net profit (returned minus invested) divided by the amount invested, times 100. $150,000 in and $270,000 out is an 80% total ROI; over 5 years that's about 12.5% annualized.
Why is mini golf considered good business economics?
Once built, the cost per round is tiny, so gross margins are high, and concessions, parties, and group events add good-margin revenue with low staffing. The build is the main cost; the course then earns repeatedly. The catch is seasonality, capacity limits, and upkeep.
How does seasonality affect the return?
Outdoor courses earn mostly in warm, dry months, so much of the year's revenue is concentrated in a season — the annual figure must absorb the slow months. Indoor or hybrid courses smooth this out but cost more to build. Factor your climate and operating season into the projection.
What should 'total returned' include?
Net profit over the whole period — admissions, party, and concession revenue after land or rent, staff, maintenance, and insurance — plus any resale value. Using gross admissions overstates the return; land/rent, upkeep, and the slow season take a real cut.
What makes a mini golf course succeed?
Location and visibility (family/foot traffic), a well-themed and maintained course that earns repeat visits and reviews, strong party/group and concession sales, and managing the seasonal slow period. Owning versus leasing the land greatly affects both the investment and the ongoing economics.
Related Calculators
Methodology & Review
ROI is net profit as a percent of the amount invested; annualized ROI converts the total return to a yearly compound rate. The amount returned should be net profit over the period (admissions and concession revenue after rent/land, staff, maintenance, and insurance) plus any resale value.
Written by Ugo Candido · Last updated May 22, 2026.