Daily Essentials

Estimate how much of your bonus you actually take home after federal or main withholding, state tax, and other payroll deductions.

Run everyday arithmetic or switch to a larger math model for expressions, percentages, roots, powers and trig.

Convert your hourly wage to annual, monthly, and daily salary, and compare it with full-time equivalent earnings.

Calculate how inflation erodes your money's purchasing power over time and see the equivalent future value of your savings.

Calculate your net take-home pay by factoring in federal, state, and FICA taxes.

Convert your annual, monthly, or hourly salary across multiple pay frequencies, adjust for vacation/holidays, and calculate your net income.

Calculate sales tax, VAT, or GST by adding it to a net price, or reverse-calculate to find the pre-tax base price.

Estimate your tax refund or balance due using income, filing status, deductions, credits, withholding and estimated payments.

Calculate elapsed time between two dates with total weeks, days, hours, minutes, weekdays and weekends.

Calculate restaurant tips, split bills, total tip, total bill and per-person amounts in seconds.