Calculate late payment interest across US, EU/Spain, and UAE jurisdictions. Accurate rates for B2B commercial debt recovery.
Users
5
+1 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#270K
#224K among extensions
Version
1.0.0
updated 3 Feb 2026
Users
monthly, 9 months
Latest, 18 Oct 2026:5 usersMove the mouse over the chart for any month
Ratings count
monthly, 9 months
Latest, 18 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Late Payment Interest Calculator
Late Payment Interest Calculator:
What it calculates:
US Federal + California, Texas, New York, Florida (state-specific rates)
EU Late Payment Directive (ECB + 8% = 10.15%)
Spain (same EU framework)
UAE Federal + Dubai (5%) + Abu Dhabi (1-3%)
Automatic EU fixed compensation (€40-100 per invoice)
Current rates baked in:
US Prime: 6.83%
ECB Main Refinancing: 2.15%
Dubai courts: 5% (2021 ruling)
All with legal citations
Growth
Window
Users
Change
Ratings
Rating
7 days
+1
+25.0%
0
0.00
30 days
+1
+25.0%
0
0.00
6 months
+3
+150.0%
0
0.00
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