Every tax season someone in the office swears their raise pushed them into a higher bracket and cost them money. It hasn't. Here is why.
Some calculations matter for a single decision; this one matters for years. Every tax season someone in the office swears their raise pushed them into a higher bracket and cost them money. It hasn't. Here is why.
Marginal = the rate on your next dollar earned. Effective = the average rate across all your income. They are never the same number.
Bracket 1: 0–$10k at 10%. Bracket 2: $10k–$50k at 20%. Earn $30k → tax = $1,000 + $4,000 = $5,000. Effective rate 16.7%, marginal rate 20%.
Only the dollars above the threshold are taxed at the higher rate. Take the raise.
Deductions reduce taxable income (multiplied by your marginal rate). Credits reduce tax dollar-for-dollar. Credits are stronger.
Are tax brackets the same for couples? No — married filing jointly often pairs both incomes against a wider band. Sometimes good, occasionally a 'marriage penalty'.
Do bonuses get taxed more? Withholding is higher (flat rate), but final tax owed is the same — you'll square up at filing.
If you only remember one thing from this post, make it that the inputs matter more than the calculator.