Fix rounding error in invoice
Rounding at line level can cause subtotal to diverge from sum of lines. Total may be off by 0.01.
Common causes
- Per-line rounding before summing.
- Currency rounding rules (half-up, etc.).
- Tax rounded per line vs on total.
How to fix
- Sum unrounded line amounts first, then round total.
- Use Rounding Error Finder to detect.
- Apply consistent rounding policy.
Use our tool
Find rounding errors