What changed

Figures that have moved, when they took effect, and which calculator each one affects. This is the part most calculators leave out — a rate can change without anything on the page admitting it.

Rate changes

• July 1, 2026IRS raised the business rate from 72.5¢ to 76¢Mileage reimbursement
• January 1, 2026Social Security wage base rose to $184,500True cost of an employee

Last verified

When each calculator’s figures were last confirmed against their primary sources.

• August 16, 2026True cost of an employeere-checked every 120 days · 3 sources
• August 16, 20261099 vs W-2 ratere-checked every 120 days · 2 sources
• August 16, 2026Overtime pay by statere-checked every 180 days · 2 sources
• August 16, 2026Mileage reimbursementre-checked every 60 days · 2 sources
• August 16, 2026PTO accrual & carryoverre-checked every 365 days · 1 source
• August 16, 2026ACA full-time equivalentsre-checked every 180 days · 2 sources
• August 16, 2026Estimated tax safe harborre-checked every 180 days · 2 sources
• August 16, 2026Prorated salaryre-checked every 365 days · 1 source