Free Business Calculators & Tools
Essential tools for freelancers and small business owners. Calculate rates, margins, fees, and more — all free, no sign-up required.
Hourly Rate Calculator
Calculate your ideal freelance hourly rate based on your desired salary, expenses, and working hours.
Freelance Rate Calculator
Back into an hourly rate from a target salary, business expenses, weeks worked, and billable percentage.
Profit Margin Calculator
Calculate profit, profit margin percentage, and markup from your revenue and costs.
Break-Even Calculator
Find break-even units and revenue from fixed costs, selling price, and variable cost per unit.
ROI Calculator
Measure return on investment (%) from initial cost and final value for any one-off spend.
Late Fee Calculator
Calculate late fees on overdue invoices using flat rates or percentage-based fees with optional compounding.
Markup Calculator
Calculate selling price from cost and markup percentage, or find the markup on an existing product.
Discount Calculator
Apply percentage off, fixed off, or both to see final price and effective discount rate.
Sales Tax Calculator
Calculate sales tax amount and total price after tax for any amount and tax rate.
VAT Calculator
Split VAT or sales tax from net or gross amounts with one tax rate.
Invoice Total Calculator
Add line items, discounts, and tax to see subtotal, tax, and amount due.
Invoice Aging Calculator
Total open balances in 0–30, 31–60, 61–90, and 90+ day buckets for A/R visibility.
Payment Schedule Calculator
Split a project total into a deposit plus equal milestone installments.
Tip Calculator
Figure tip amount, total with tip, and fair per-person splits for groups.
Currency Converter
Convert between major currencies using static illustrative rates (not live FX).
Cash Flow Calculator
Estimate monthly net cash flow from operating inflows/outflows plus other cash items.
Loan Payment Calculator
Compute monthly principal-and-interest payment and preview early amortization.
Depreciation Calculator
Straight-line annual depreciation and a declining-balance schedule with salvage value.
Overtime Calculator
Combine regular and overtime hours with multipliers to estimate gross pay.
Cost Per Unit Calculator
Divide total cost by quantity and get a target-margin price suggestion.
Free Invoice Generator
Create and download professional invoices instantly. No sign-up required.
Streamline Your Entire Billing Workflow
These calculators are just the beginning. Billed helps you create invoices, track expenses, manage clients, and get paid faster — all in one place.
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