💼 Business & Freelancing
18 tools in this category, on DoubleNeed.
ROI Calculator
Calculate return on investment as a percentage and total gain.
Open tool →Break-Even Calculator
Find how many units you need to sell to cover your costs.
Open tool →Salary ↔ Hourly Calculator
Convert between annual salary and hourly wage.
Open tool →Pomodoro Timer
Focus timer with work/break cycles for productivity.
Open tool →Overtime Pay Calculator
Calculate overtime earnings based on hourly rate and extra hours worked.
Open tool →Markup Calculator
Calculate selling price and profit margin from cost and markup percentage.
Open tool →Conversion Rate & Lead Cost Calculator
Find cost per lead, conversion rate, and customer acquisition cost.
Open tool →YouTube Ad Revenue Calculator
Estimate your YouTube ad revenue based on views, CPM, and niche.
Open tool →Dropshipping Profit Calculator
Calculate your true profit margin after product cost, shipping, ads, and platform fees.
Open tool →Amazon FBA Profit Calculator
Estimate your Amazon FBA profit after referral fees, fulfillment fees, and product cost.
Open tool →SaaS Pricing Calculator
Find a sustainable subscription price based on your costs, target margin, and churn.
Open tool →TikTok Creator Fund Calculator
Estimate TikTok Creator Fund earnings based on views and engagement.
Open tool →Consulting Rate Calculator
Compare hourly vs package pricing for consulting work based on your target income.
Open tool →Print on Demand Profit Calculator
Calculate your profit per sale on Printful, Printify, or similar POD platforms.
Open tool →Email Marketing ROI Calculator
Calculate the ROI of an email marketing campaign based on revenue and cost.
Open tool →Influencer Rate Calculator (BD)
Estimate a fair sponsorship rate for Instagram or YouTube content based on followers and engagement.
Open tool →E-book Royalty Calculator (Amazon KDP)
Calculate your royalty earnings per book sale on Amazon KDP.
Open tool →Hourly Wage to Seconds ("Time is Money")
Watch your earnings tick up live, second by second, based on your hourly wage.
Open tool →📚 Guides & Tutorials
Learn how to use these tools effectively with our in-depth guides and tutorials.
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