Version 1.1.0 More Accurate Calculations Federal taxes now use the actual 2024 IRS marginal tax brackets — no more flat-rate estimates. Your withholding is calculated the same way the IRS does it. New: Filing Status Choose Single, Married Filing Jointly, Married Filing Separately, or Head of Household for a more personalized estimate. New: Pay Period Select Weekly, Bi-Weekly, Semi-Monthly, or Monthly so the calculator annualizes your income correctly before applying tax brackets. New: California SDI CA State Disability Insurance (1.1%) is now automatically calculated for California workers. New: Deductions Enter your 401K, health insurance, or any other pre-tax deductions to see your true take-home pay. Redesigned Experience Clean new interface — enter your hours and rates, tap Calculate, and see a full breakdown instantly.