Free Business Calculators & Tools
Calculators for pricing, discounts, tax, invoices, cash flow and loans, plus a free invoice generator. They run in your browser, with no sign-up.
Hourly Rate Calculator
Works out the hourly rate to charge from the pay you want to keep, business costs, weeks off, hours worked, the billable share of those hours and a tax set-aside.
Freelance Rate Calculator
The freelance rate calculator is part of the hourly rate calculator: this link opens its inputs, including the billable share of your hours.
Profit Margin Calculator
Works out profit, margin (profit ÷ revenue) and markup (profit ÷ cost) from a selling price and a cost.
Break-Even Calculator
Works out the units to sell and the revenue needed to break even, with the contribution margin per unit and as a ratio, from fixed costs, selling price and variable cost per unit.
ROI Calculator
Works out the net gain and simple ROI from the amount invested and the final value, plus an annual return if you enter the years held.
Late Fee Calculator
Works out a late fee on an unpaid invoice from the days overdue, as a flat fee or a percentage per month or per year, with optional monthly compounding.
Markup Calculator
Works out a selling price from a cost and a markup, or the markup from a cost and a selling price, with the margin alongside.
Discount Calculator
Works out the sale price, the total discount and the effective discount from a percent off, a fixed amount off, or both.
Sales Tax Calculator
Adds sales tax to a price, or takes it out of a price that includes tax, at the rate you enter.
VAT Calculator
Works out the tax and the net or gross amount from a net or gross amount, at the rate you enter.
Invoice Total Calculator
Adds up line items (quantity × unit price), takes off a percentage and a fixed discount, and adds tax at the rate you enter.
Invoice Aging Calculator
Totals open invoices by age, from not yet due to more than 90 days past due, with each age group's share of the total.
Payment Schedule Calculator
Splits a project total, less the deposit paid upfront, into equal installments.
Tip Calculator
Works out the tip and the total from a bill amount and the tip percentage you enter, and splits it between people.
Currency Converter
Converts an amount between currencies at the exchange rate you enter, and shows the same rate the other way round. It doesn't fetch exchange rates.
Cash Flow Calculator
Works out a month's operating cash flow and net cash flow from operating cash in and out plus other cash in and out.
Loan Payment Calculator
Works out the monthly payment from the loan amount, annual interest rate and term in months, with the total paid, total interest and a month-by-month amortization schedule.
Depreciation Calculator
Works out straight-line and double-declining-balance depreciation for each year, with the book value at the end of each year, from an asset's cost, salvage value and useful life.
Overtime Calculator
Works out a week's regular pay, overtime pay and gross pay from the hourly rate, hours worked, the hours after which overtime starts and an overtime multiplier.
Cost Per Unit Calculator
Works out the cost per unit from total cost and units produced, and a price that would give the target gross margin you enter.
Free Invoice Generator
Fill in your details and line items, set tax, a discount and a currency, and download the invoice as a PDF, without creating an account.
Invoice clients with Billed
Create and send invoices, track expenses and receipts, and keep all your clients in one place.
No credit card required.