Business calculators for margins, markup, break-even, taxes, salary, discounts, commission, ROI, and pay rates.
Profit Margin Calculator
Calculate profit, margin, cost ratio, or maximum cost for a target margin.
Markup Calculator
Calculate selling price from markup or maximum cost from a target margin.
Break-Even Calculator
Estimate units and revenue needed to break even.
Sales Tax Calculator
Calculate sales tax and total price.
Hourly Rate Calculator
Convert annual salary into gross and estimated net hourly, weekly, and monthly pay.
Salary Calculator
Convert hourly pay into gross and estimated net weekly, monthly, and annual salary.
Unit Price Calculator
Compare two products by price per unit.
Discount Calculator
Calculate sale price, discount amount, tax, and final price.
Commission Calculator
Calculate tiered commission and total pay.
Customer Acquisition Cost Calculator
Calculate how much sales and marketing spend brings in each new customer.
Cash Flow Runway Calculator
Estimate how many months of cash remain at the current burn rate.
Inflation / Purchasing Power Calculator
Estimate how inflation reduces the future value of today's money.
ROI Calculator
Calculate net profit, ROI, and investment multiple.
Overtime Calculator
Calculate regular pay, overtime pay, and total pay.
Ingredient Weight Calculator
Convert recipe volume to usable weight after waste or trimming loss.
Time
Time calculators for dates, durations, time math, timestamps, timezones, work hours, age, and business days.
Finance
Finance calculators for loans, mortgages, APR, APY, simple interest, budgets, auto loans, retirement, debt, and everyday payments.
Math
Math calculators for arithmetic, geometry, percentages, ratios, rounding, roots, fractions, and statistics.
Physics
Physics calculators for motion, force, energy, electricity, and density.
Health
Health calculators for body metrics, calories, hydration, pace, due dates, body fat, and heart-rate zones.
Construction
Construction calculators for area, paint, flooring, concrete, gravel, mulch, roofing, tile, and slope estimates.
Auto
Auto calculators for fuel economy, trip cost, EV charging, and tire sizing.
Education
Education calculators for grades, GPA, weighted scores, finals, and reading time.