Free business calculators that solve a real question now.
Use practical browser-based calculators for margins, advertising, freelance pricing, food cost, cash runway, inventory and campaign URLs. No account is required and the calculator inputs stay in your browser.
E-commerce Profit Margin Calculator
Calculate net profit, margin and profit per sale after product cost, shipping, payment fees and advertising.
Break-even ROAS Calculator
Find the minimum return on ad spend your campaign needs before advertising starts destroying contribution margin.
Freelance Hourly Rate Calculator
Turn your income goal, expenses and realistic billable capacity into a sustainable hourly and day rate.
Restaurant Food Cost Calculator
Calculate food cost percentage, contribution per serving and a suggested price from your target food-cost percentage.
Cash Runway Calculator
Estimate monthly net burn and how many months current cash can support the business at the entered revenue and expense level.
Reorder Point Calculator
Calculate when inventory should be reordered from average daily sales, supplier lead time and safety stock.
Free UTM Builder
Build correctly encoded campaign URLs with source, medium, campaign, term and content parameters.