DUOLDuolingo, Inc.

$140.85

Is the business good?

How good a business is DUOL?

Duolingo, Inc. earns 49% on the capital it employs against a 9.0% cost of capital, so the business is worth more the bigger it gets.

49%

Return on invested capital · cost of capital 9.0% · 40 points above what the capital costs: growth creates value

Operating margin
14%

Operating margin · Software - Application median 8.2% · 12 months to Q1 2026

Cash conversion
0.98×

Cash conversion · 3.06× a year ago · some of the reported profit has not turned into cash yet

Share count, year on year
+1.0%

Share count, year on year · shareholders own a smaller slice than a year ago

Operating margin by fiscal year
YearOperating margin
FY2020−9.9%
FY2021−24%
FY2022−18%
FY2023−2.5%
FY20248.4%
FY202513%
Details
Gross margin12 months to Q1 2026
73%
Operating margin12 months to Q1 2026
14%
Net margin12 months to Q1 2026
38%
Free cash flow margin
38%
R&D as % of revenue
29%
Revenue, trailing twelve months
$1.10B
Free cash flow, trailing twelve months
$416M
Net income, trailing twelve months
$422M
Return on invested capitaloperating profit after tax ÷ debt + equity − cash
49%

Margins, capital and share counts from the statements as filed with the SEC; cash conversion from the cash flow statement.