Montana Side Hustle Tax Calculator
Calculate taxes on side hustle income in Montana. See self-employment tax, federal & state taxes, and quarterly payment estimates for gig workers.
How This Calculator Works
Calculation methodology and assumptions
Side hustle tax calculation for Montana. Side income over $400 triggers self-employment tax (15.3% on 92.35% of net earnings), covering Social Security (12.4%) and Medicare (2.9%). Federal income tax applies at marginal rates based on combined W-2 + side income. Montana state tax applies at up to 5.9%. Deductible expenses reduce both income tax and SE tax bases.
Key State Information
Montana side hustle tax facts: State tax up to 5.9% | Cost of living index 101.6 | Median income $60,560.
Frequently Asked Questions
How much tax do I pay on side hustle income in Montana?
Side hustle income is subject to self-employment tax (15.3%) plus federal income tax at your marginal rate (typically 22-32% for most side hustlers). In Montana, add 5.9% state tax. Total effective rate is typically 30-45%.
Do I need to pay quarterly taxes on side hustle income in Montana?
If you expect to owe $1,000+ in taxes on your side income, the IRS requires quarterly estimated payments (due April 15, June 15, Sep 15, Jan 15). Montana also requires quarterly state estimated payments if you owe $500+.
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