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Business & everyday calculators

Handle quick pricing, profit, time, and everyday calculations without building a spreadsheet formula.

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Common tasks in this topic

Small calculators for margin, markup, discounts, tax, hourly rates, work time, unit prices, electricity, travel costs, and everyday arithmetic.

1
Calculate margin, markup, and discounts
2
Check hourly rates, work time, and unit prices
3
Estimate electricity, fuel, quantities, and other everyday costs

Tools in this topic

Choose the tool that most closely matches the task you need to finish.

Markup to margin calculatorConvert markup percentage on cost into gross margin percentage on selling price.Open  →Discount calculatorCalculate final price and savings from a discount rate.Open  →Percentage calculatorCalculate percentages, percentage values and change rates.Open  →Ratio calculatorSolve proportions, simplify ratios, and normalize values around 1.Open  →Unit price comparerCompare two products by unit price.Open  →Margin / markup calculatorCalculate gross profit, margin and markup.Open  →Tax inclusive / exclusive calculatorConvert tax-inclusive and tax-exclusive prices with a custom rate.Open  →Hourly rate calculatorCalculate required hourly rate from target monthly income.Open  →Work hours calculatorCalculate net working time from start, end and break.Open  →Recipe scalerScale recipe quantities for a different serving count.Open  →Fuel trip cost calculatorEstimate fuel cost from distance, efficiency and fuel price.Open  →Electricity cost estimatorEstimate electricity cost from wattage, hours and kWh rate.Open  →Calculate Typed Expressions with ParenthesesType an expression and calculate it directly in your browser.Open  →Compound interest calculatorCalculate future value and principal/interest breakdown from rate, term, contributions, and compounding frequency.Open  →Loan payment calculatorCalculate monthly loan payment, total interest, and an amortization schedule.Open  →ROI calculatorCalculate ROI, net profit, and break-even return from investment cost and return.Open  →CAGR calculatorCalculate compound annual growth rate from starting value, ending value, and years.Open  →LTV / CAC calculatorEstimate LTV, LTV/CAC ratio, and CAC payback from ARPU, gross margin, churn, and CAC.Open  →Unit converterConvert length, mass, temperature, area, volume, speed, and data units.Open  →Savings goal calculatorEstimate time to reach a savings goal from current balance, monthly saving, and return.Open  →Break-even units calculatorCalculate break-even units and revenue from fixed cost, price, and variable cost.Open  →Tip and bill split calculatorCalculate tip, total bill, and per-person amount for a group.Open  →Price change percentage calculatorCalculate absolute change, percentage change, and multiple between old and new prices.Open  →Cash runway calculatorEstimate how many months cash will last from current cash and monthly net burn.Use  →Burn rate calculatorCalculate average monthly burn rate from beginning and ending cash balances.Use  →Inventory turnover calculatorCalculate inventory turnover and days in inventory from COGS and average inventory.Use  →Reorder point calculatorCalculate reorder point from daily demand, lead time, and safety stock.Use  →Safety stock calculatorEstimate safety stock from maximum and average demand and lead times.Use  →EOQ calculatorCalculate economic order quantity from annual demand, order cost, and holding cost.Use  →Straight-line depreciation calculatorCalculate annual straight-line depreciation from cost, salvage value, and useful life.Use  →Commission calculatorCalculate commission and total compensation from sales, rate, and base pay.Use  →Salary to hourly converterConvert annual salary into monthly, weekly, daily, and hourly equivalents.Use  →Overtime pay calculatorCalculate regular and overtime pay from hours, hourly rate, and overtime multiplier.Use  →Revenue growth calculatorCalculate revenue change and growth rate between two periods.Use  →Break-even revenue calculatorCalculate break-even revenue from fixed costs and contribution margin ratio.Use  →Days inventory on hand calculatorCalculate days inventory on hand and inventory turns from average inventory and COGS.Open  →Cash conversion cycle calculatorCalculate the cash conversion cycle from DIO, DSO, and DPO.Open  →

Related guides

Use these when you need the decision context around the tools.

Margin, markup and break-even: keep the denominators straightReview decisions, failure points and workflow context.Read →

Browse by use case

Start from the job and follow the tools used in that workflow.

E-commerce store operationsChoose related tools from a practical workflow.Open →Marketing & CRM workChoose related tools from a practical workflow.Open →

Related references

Keep the relevant formats and units close while you work.

SI prefixes & unitsOpen the related reference guideOpen  →Number formatsOpen the related reference guideOpen  →Cooking measuresOpen the related reference guideOpen  →