Sales Tax / VAT Calculator
Add or remove a user-entered sales tax or VAT rate with quantity, discount, rounding and inclusive/exclusive breakdown.
Open calculatorWhat this category helps with
Business calculators help with questions where a number is useful but the assumptions matter. Start with the calculator closest to your question, then use the linked guide or formula page when units, rates, dates, local rules or source data could change the answer.
Best starting points
Salary Calculator
Convert gross pay between hourly, daily, weekly, biweekly, monthly and annual amounts with overtime and unpaid-time assumptions.
Open calculatorDiscount Calculator
Calculate sale price and savings from original price and discount percent.
Open calculatorMarkup Calculator
Calculate selling price from cost and markup percent.
Open calculatorMargin Calculator
Calculate gross margin percentage from revenue and cost.
Open calculatorProfit Calculator
Calculate profit and profit margin from revenue and cost.
Open calculatorHow to choose the right calculator
- Use a broad calculator first when you need a quick estimate.
- Use a more specific calculator when rates, units, dates, eligibility or fees change the answer.
- Read assumptions before comparing results across calculators or external sources.
- For current-data topics, confirm the data source and date before relying on the result.
Calculators
Sales Tax / VAT Calculator
Add or remove a user-entered sales tax or VAT rate with quantity, discount, rounding and inclusive/exclusive breakdown.
Open calculatorSalary Calculator
Convert gross pay between hourly, daily, weekly, biweekly, monthly and annual amounts with overtime and unpaid-time assumptions.
Open calculatorDiscount Calculator
Calculate sale price and savings from original price and discount percent.
Open calculatorMarkup Calculator
Calculate selling price from cost and markup percent.
Open calculatorMargin Calculator
Calculate gross margin percentage from revenue and cost.
Open calculatorProfit Calculator
Calculate profit and profit margin from revenue and cost.
Open calculatorBreak-Even Calculator
Estimate break-even units from fixed cost, unit price and variable cost.
Open calculatorROI Calculator
Calculate return on investment percentage from return value and investment cost.
Open calculatorSimple Interest Calculator
Calculate simple interest from principal, annual rate and time.
Open calculatorCommission Calculator
Calculate commission amount from sales and commission rate.
Open calculatorRevenue Calculator
Calculate revenue from unit price and quantity sold.
Open calculatorBusiness Loan Calculator
Estimate fixed-rate business loan payment.
Open calculatorPayback Period Calculator
Calculate years needed to recover an investment from annual cash flow.
Open calculatorPercent Off Calculator
Calculate sale price and savings from a percent-off discount.
Open calculatorTime Card Calculator
Calculate weekly hours from regular daily hours and workdays.
Open calculatorGDP Calculator
Calculate GDP using the expenditure approach.
Open calculatorContribution Margin Calculator
Calculate contribution margin from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorBreak-Even Price Calculator
Calculate break-even price from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCustomer Acquisition Cost Calculator
Estimate customer acquisition cost from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCustomer Lifetime Value Calculator
Calculate customer lifetime value from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorLTV:CAC Ratio Calculator
Calculate ltv:cac ratio from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorAd ROAS Calculator
Calculate ad roas from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCPC Calculator
Calculate cpc from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCPM Calculator
Calculate cpm from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCTR Calculator
Calculate ctr from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorConversion Rate Calculator
Calculate conversion rate from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorChurn Rate Calculator
Calculate churn rate from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorMRR Calculator
Calculate mrr from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorARR Calculator
Calculate arr from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorRunway Calculator
Estimate runway from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorBurn Rate Calculator
Calculate burn rate from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorEcommerce Profit Calculator
Calculate ecommerce profit from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorSaaS Pricing Calculator
Calculate saas pricing from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorCrowdfunding Goal Calculator
Calculate crowdfunding goal from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorInvoice Late Fee Calculator
Calculate invoice late fee from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorFreelance Hourly Rate Calculator
Calculate freelance hourly rate from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorContractor vs Employee Calculator
Calculate contractor vs employee from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorReorder Point Calculator
Calculate reorder point from user-entered values with a visible formula, assumptions, limitations and source notes.
Open calculatorSafety Stock Calculator
Calculate safety stock from user-entered values with a visible formula, assumptions, limitations and source notes. Use dated source values for any market, distribution, regional or price-sensitive input.
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