#tax

Find the break-even retirement tax rate where Roth and Traditional 401(k) contributions produce identical lifetime tax costs.

Estimate the Stamp Duty Land Tax (SDLT) you'll pay on a UK property purchase in England or Northern Ireland.

Compare your dealer trade-in offer against selling privately after taxes, fees, and the cost of your time.

Determines the exact contribution needed to capture your full employer 401(k) match and estimates your net cost today plus long-term retirement projection.