South Carolina Biweekly Paycheck Calculator 2026

Here is exactly what your biweekly paycheck looks like in South Carolina at common annual salary levels in 2026. Calculated for a single filer, standard W-4, biweekly pay frequency, no pre-tax deductions.

Single filer · standard W-4 · biweekly pay (26 periods/yr) · no pre-tax deductions · 2026 IRS withholding tables · South Carolina published 2026 withholding method. Actual paychecks vary based on filing status, allowances, and deductions.

South Carolina withholds state income tax from every paycheck. Your biweekly paycheck includes these deductions:

• Federal income tax (2026 IRS withholding tables)
• South Carolina state income tax (withheld each pay period)
• Social Security tax — 6.2% on wages up to $184,500
• Medicare tax — 1.45% on all wages
• Employee benefit deductions

A biweekly pay schedule means you receive a paycheck every two weeks — 26 paychecks per year. To find your gross biweekly pay, divide your annual salary by 26:

Two months per year you will receive three biweekly paychecks instead of two. This is sometimes called a "three-paycheck month." Because benefit deductions are often fixed per paycheck, the extra check can feel larger than usual.

Your net biweekly paycheck in South Carolina depends on your annual salary, W-4 filing status, South Carolina state withholding elections, retirement contributions, health insurance deductions, and any additional withholding.

South Carolina has collapsed its bracket structure so that most of the range is taxed at the top rate, with a large zero-rate band at the bottom. The WH-1603F annualized formula in the calculator above reflects that shape.

For a biweekly earner the result is a state line that stays at zero or near-zero at low salaries and then rises quickly to a near-constant percentage. The steep part of that curve is narrow, so two colleagues a few thousand dollars apart in salary can have noticeably different effective state rates.

South Carolina has been reducing its top marginal rate on a legislated schedule, contingent on revenue targets being met. The calculator above uses the current year's rate.

That makes year-over-year stub comparison misleading: an identical salary yields a smaller state line each year the reduction proceeds. It also means a full-year projection built from a January paycheck can be slightly off if the schedule advances.

South Carolina maintains no reciprocal agreements with North Carolina or Georgia. Both tax income earned within their borders, so a South Carolina resident working across either line has two states withholding from the same 26 checks.

The Charlotte metropolitan area is the busiest version of this — a large number of South Carolina residents work at North Carolina worksites. North Carolina withholds on the work performed there and South Carolina gives a credit at filing, a year after the money left the paycheck.