$105,525/yr
take-home on a $150,000 salary in Massachusetts — after $7,500 state income tax (5%) and $36,975 federal + FICA.
The breakdown
$150,000 × ~17% federal effective + 7.65% FICA = $36,975 federal/payroll
+ $7,500 MA state income tax (5%, 5.0% flat (+4% surtax over $1M))
= $105,525/yr after tax
· Tax Foundation, “State Individual Income Tax Rates and Brackets, 2025” + state revenue departments. Modeled as an effective planning rate for a typical $80k–$160k filer — not a full bracket engine.