Basis: Latest reported fiscal quarter. Source: stored company filings and market data; unavailable inputs remain N/A.
Is the interest coverage ratio high or low?
The interest coverage ratio of 50.80x is 85% above its 5-year average of 27.39x, near the high end of its 5-year range (13.40x–50.80x).
As of the fiscal period ended Sunday, May 31, 2026. 46.48% above its 12-month average of 34.68x.
Reported quarterly interest coverage; no daily interpolation.
INTEREST COVERAGE RATIO
50.80x
INTEREST COVERAGE RATIO AVG TTM
34.68x
INTEREST COVERAGE RATIO AVG 3Y
24.81x
INTEREST COVERAGE RATIO AVG 5Y
27.39x
INTEREST COVERAGE RATIO AVG 10Y
29.11x
INTEREST COVERAGE RATIO AVG 15Y
38.31x
INTEREST COVERAGE RATIO AVG 20Y
N/A
CURRENT VS TTM AVG
+46.48%
CURRENT VS 3Y AVG
+104.79%
CURRENT VS 5Y AVG
+85.46%
CURRENT VS 10Y AVG
+74.50%
CURRENT VS 15Y AVG
+32.61%
CURRENT VS 20Y AVG
N/A
SECTOR MEDIAN · BASIC MATERIALS
10.54x
median of 42 covered companies
CURRENT VS SECTOR MEDIAN
+381.98%
vs the sector median at left
WD-40 Company
Market Cap
$3.08B
Interest Coverage Ratio
50.80x
TTM Avg
34.68x
3Y Avg
24.81x
5Y Avg
27.39x
Market Cap
$4.78B
Interest Coverage Ratio
2.15x
TTM Avg
2.99x
3Y Avg
2.64x
5Y Avg
2.54x
Market Cap
$1.17B
Interest Coverage Ratio
N/A
TTM Avg
N/A
3Y Avg
N/A
5Y Avg
N/A
Market Cap
$6.87B
Interest Coverage Ratio
4.82x
TTM Avg
3.76x
3Y Avg
10.74x
5Y Avg
9.60x
Market Cap
$7.80B
Interest Coverage Ratio
2.87x
TTM Avg
5.28x
3Y Avg
10.98x
5Y Avg
11.08x
Market Cap
$9.50B
Interest Coverage Ratio
23.64x
TTM Avg
23.64x
3Y Avg
23.64x
5Y Avg
9.96x
Market Cap
$9.95B
Interest Coverage Ratio
26.14x
TTM Avg
15.62x
3Y Avg
32.20x
5Y Avg
32.20x
Market Cap
$10.46B
Interest Coverage Ratio
-4.61x
TTM Avg
37.58x
3Y Avg
37.58x
5Y Avg
37.58x
Market Cap
$13.19B
Interest Coverage Ratio
4.80x
TTM Avg
6.13x
3Y Avg
9.43x
5Y Avg
8.81x
| NAME | MARKET CAP | INTEREST COVERAGE RATIO | TTM | 3Y | 5Y |
|---|---|---|---|---|---|
| WD-40 Company (WDFC) | $3.08B | 50.80x | 34.68x | 24.81x | 27.39x |
| Griffon Corporation (GFF)vs › | $4.78B | 2.15x | 2.99x | 2.64x | 2.54x |
| Lightwave Logic, Inc. (LWLG)vs › | $1.17B | N/A | N/A | N/A | N/A |
| The Mosaic Company (MOS)vs › | $6.87B | 4.82x | 3.76x | 10.74x | 9.60x |
| Builders FirstSource, Inc. (BLDR)vs › | $7.80B | 2.87x | 5.28x | 10.98x | 11.08x |
| First Majestic Silver Corp. (AG)vs › | $9.50B | 23.64x | 23.64x | 23.64x | 9.96x |
| Solstice Advanced Materials Inc. (SOLS)vs › | $9.95B | 26.14x | 15.62x | 32.20x | 32.20x |
| MP Materials Corp. (MP)vs › | $10.46B | -4.61x | 37.58x | 37.58x | 37.58x |
| Alcoa Corporation (AA)vs › | $13.19B | 4.80x | 6.13x | 9.43x | 8.81x |
| RPM International Inc. (RPM)vs › | $14.54B | 8.28x | 8.84x | 7.93x | 8.01x |
Interest Coverage
50.8x
Debt/Equity
0.41
Current Ratio
2.65
Formula: Interest Coverage = EBIT / Interest Expense
Reference ranges:
Note: Interest coverage should be compared with historical interest expense, operating income, and industry capital structure.
Interest Coverage = EBIT / Interest Expense
The interest coverage ratio measures operating earnings relative to interest expense.
Expanded definitions: Investopedia, Wikipedia, Corporate Finance Institute
| DATE | INTEREST COVERAGE RATIO |
|---|---|
| 2026-05-31 | 50.80x |
| 2026-02-28 | 13.40x |
| 2025-11-30 | 35.89x |
| 2025-08-31 | 42.46x |
| 2025-05-31 | 30.85x |
| 2025-02-28 | 22.80x |
| 2024-11-30 | 28.78x |
| 2024-08-31 | 25.29x |
| 2024-05-31 | 22.99x |
| 2024-02-29 | 20.77x |
| 2023-11-30 | 21.10x |
| 2023-08-31 | 17.26x |
| 2023-05-31 | 16.07x |
| 2023-02-28 | 14.75x |
| 2022-11-30 | 15.98x |
| 2022-08-31 | 23.27x |
| 2022-05-31 | 28.38x |
| 2022-02-28 | 40.36x |
| 2021-11-30 | 38.81x |
| 2021-08-31 | 20.79x |
| 2021-05-31 | 44.42x |
| 2021-02-28 | 33.86x |
| 2020-11-30 | 49.81x |
| 2020-08-31 | 39.17x |
| 2020-05-31 | 25.47x |
| 2020-02-29 | 30.67x |
| 2019-11-30 | 33.27x |
| 2019-08-31 | 39.83x |
| 2019-05-31 | 40.92x |
| 2019-02-28 | 28.78x |
| 2018-11-30 | 23.10x |
| 2018-08-31 | 16.88x |
| 2018-05-31 | 18.53x |
| 2018-02-28 | 19.33x |
| 2017-11-30 | 20.38x |
| 2017-08-31 | 26.21x |
| 2017-05-31 | 29.74x |
| 2017-02-28 | 31.54x |
| 2016-11-30 | 31.10x |
| 2016-08-31 | 36.65x |
| 2016-05-31 | 43.11x |
| 2016-02-29 | 42.94x |
| 2015-11-30 | 46.09x |
| 2015-08-31 | 53.90x |
| 2015-05-31 | 47.73x |
| 2015-02-28 | 64.11x |
| 2014-11-30 | 53.04x |
| 2014-08-31 | 56.71x |
| 2014-05-31 | 56.35x |
| 2014-02-28 | 67.49x |
| 2013-11-30 | 77.99x |
| 2013-08-31 | 54.19x |
| 2013-05-31 | 82.19x |
| 2013-02-28 | 82.02x |
| 2012-11-30 | 126.92x |
| 2012-08-31 | 55.43x |
| 2012-05-31 | 82.64x |
| 2012-02-29 | 177.22x |
| 2011-11-30 | 42.56x |
| 2011-08-31 | 58.55x |
| 2011-05-31 | 42.75x |
| 2011-02-28 | 63.29x |
| 2010-11-30 | 41.37x |
| 2010-08-31 | 27.10x |
| 2010-05-31 | 32.45x |
| 2010-02-28 | 46.02x |
| 2009-11-30 | 30.12x |
| 2009-08-31 | 18.89x |
| 2009-05-31 | 18.69x |
| 2009-02-28 | 8.88x |
| 2008-11-30 | 17.30x |
