Calculators - Multicalify

US Import Duty and Tariff Calculator

Estimate duties and CBP fees on goods imported into the US, including MFN rates, Section 232/301/338 tariff layers,…

See how a Trump Account could grow by age 18 and beyond, with the $1,000 federal pilot deposit,…

Calculate the extra employee and employer National Insurance due on pension salary sacrifice above the £2,000 annual cap…

Convert a prescribed semaglutide or tirzepatide dose in mg into mL and U-100 syringe units for compounded vials.…

Find your state and local tax deduction under the higher SALT cap ($40,000 for 2025, $40,400 for 2026),…

Calculate your enhanced senior deduction for people 65 and older ($6,000 each, 2025–2028) after the 6% income phaseout,…

Calculate how much new-car loan interest you can deduct under the OBBBA (up to $10,000 a year, 2025–2028),…

Work out your federal deduction for qualified tips (up to $25,000 a year, 2025–2028), including the income phaseout,…

Find your IRMAA tier and extra Medicare Part B and Part D cost from your MAGI. Uses official…

Enter your current benefit to see your 2027 Social Security payment after the official 3.6% COLA, with the…