CPP & CPP2 (the two-layer system)
Base CPP is 5.95% on pensionable earnings between the $3,500 exemption and the $74,600 YMPE. Above that, CPP2 kicks in at 4.00% up to the $85,000 YAMPE. Max out at $4,230.45 base + $416 CPP2 for the year — each from the employee and from the employer. Self-employed pay both halves.
EI premiums (employer pays more)
Employee rate is $1.63 per $100 of insurable earnings in 2026 — up to the $68,900 MIE. Employer pays 1.4 times that, or $2.28 per $100, capped at $1,572.30 for the year. Self-employed don’t pay EI unless they’ve opted into the self-employed special benefits program.
Federal + Ontario income tax
We annualize your gross, apply the federal rate schedule (14% full-year for 2026) and Ontario’s five-bracket schedule, subtract the basic personal amounts and CPP/EI credits, and divide back to your pay period. The Ontario surtax catches higher earners at $5,710 and $7,307 of basic provincial tax.
What this doesn’t cover
Extra claim-code credits (TD1 dependants, disability, age amount), Ontario Health Premium (added on the T1 return, not at payroll), RRSP matching, group benefits, union dues, garnishments, or the K factor CRA’s T4127 uses for per-period rounding. Real paycheques differ by a few dollars — the annual picture is accurate.