Business & Everyday calculators & tools
Handle discounts, tax, markup, margin, fuel, grades, unit-price comparisons, break-even analysis and simple random selection.
Discount Calculator
Calculate final price, savings and effective discount for one or two sequential discounts.
Open tool →Business & EverydaySales Tax Calculator
Add a percentage sales tax to price and quantity to calculate tax and total.
Open tool →Business & EverydayMarkup Calculator
Convert a markup on cost into selling price, gross profit and equivalent margin.
Open tool →Business & EverydayProfit Margin Calculator
Calculate profit, profit margin and cost ratio from revenue and total cost.
Open tool →Business & EverydayFuel Cost Calculator
Estimate gallons, trip fuel cost and cost per mile from distance, MPG and fuel price.
Open tool →Business & EverydayFuel Economy Calculator
Calculate MPG, L/100 km and km/L from distance driven and fuel consumed.
Open tool →Business & EverydayWeighted Grade Calculator
Calculate a weighted course grade from score percentages and matching weights.
Open tool →Business & EverydayUnit Price Comparison
Compare two package prices on a per-unit basis and identify the better value.
Open tool →Business & EverydayBreak-Even Calculator
Calculate contribution margin, break-even units and break-even revenue.
Open tool →Business & EverydayRandom Number Generator
Generate one or many random integers within a range, with optional uniqueness.
Open tool →About these business & everyday tools
These tools focus on common decisions where a transparent calculation is more useful than a hidden black-box answer. Tax, pricing and business results still depend on the assumptions and rates you enter.
Every utility includes an interactive result plus an explanation, example, common questions and links to closely related calculators.