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Profit CalculatorCalculate gross profit, net profit, margin, and markup from revenue and cost.Score 52profitnetProfit Margin CalculatorCalculate gross profit margin from revenue and cost.Score 38profitStock Profit CalculatorCalculate stock profit after buy price, sell price, shares, commissions, and taxes.Score 38profiteBay Profit CalculatorCalculate eBay profit after item cost, shipping, packaging, ad cost, and seller fees.Score 38profitShopify Profit CalculatorEstimate Shopify profit after product cost, payment fee, shipping, ads, app costs, and returns.Score 38profitIP Subnet CalculatorCalculate subnet addresses and usable hosts from a CIDR prefix.Score 38netKinetic Energy CalculatorCalculate kinetic energy from mass and velocity.Score 30netNet Pay CalculatorEstimate take-home pay after tax, benefits, retirement contributions, and other deductions.Score 30netEscape Velocity CalculatorCalculate escape velocity from planetary mass and radius.Score 22netAmazon FBA CalculatorCalculate Amazon FBA profit after product cost, referral fee, FBA fee, shipping, ads, and returns.Score 22profitReal Estate Rental Yield CalculatorCalculate gross and net rental yield from rent, property value, vacancy, and expenses.Score 22netBandwidth CalculatorCalculate required bandwidth from users, data per user, and time window.Score 22netCIDR CalculatorConvert CIDR prefix to address count, usable hosts, and block size.Score 22netRelativistic Energy CalculatorCalculate total and kinetic relativistic energy from mass and velocity.Score 22netFreelance Tax CalculatorEstimate freelance taxes from revenue, expenses, self-employment tax, and income tax rates.Score 16netprofitROI CalculatorCalculate return on investment from gain and initial cost.Score 14profitIncome Tax CalculatorEstimate income tax, effective rate, and take-home income from taxable income, deductions, and tax rate.Score 14netSalary CalculatorConvert pay rate, hours, overtime, bonus, and deductions into monthly and yearly salary estimates.Score 14netBonus Tax CalculatorEstimate net bonus after withholding, local tax, and retirement contributions.Score 14netEnergy CalculatorCalculate kinetic and potential energy.Score 14net