High-precision calculators, pricing engines, and invoice tools built exclusively for freelancers, independent contractors, and consultants. No paywalls. No remote data storage.
Select a specialized calculator below to optimize your freelance income, taxes, and contracts.
Calculate what you must charge per hour to hit your net income goals after factoring in taxes, software overhead, insurance, and unbillable admin hours.
Compare contractor offers against full-time employment. Accurately factors in employer FICA contributions, health subsidies, PTO, and business write-offs.
Estimate your 15.3% FICA self-employment taxes, the 50% above-the-line deduction, and your quarterly IRS estimated tax payment voucher deadlines.
Calculate your direct tax cash savings from home office space, business mileage, equipment write-offs, and software subscriptions.
Build beautiful client-ready invoices with custom line items, tax, discounts, and payment terms. Instant print to PDF with zero watermarks or account logins.
Structure predictable monthly retainers. Calculate volume discounts, overage penalty rates, and generate copyable client contract agreement clauses.
Determine exactly how many client packages, project deliverables, or retainers you must sell each month to cover overhead and hit your net profit goals.
Calculate your exact survival runway in months. Plan for dry spells and determine how much cash cushion you need for irregular freelance income.
See the true dollar cost of meetings in real time. Start the live stopwatch to watch cash burn during calendar calls and calculate annual meeting drag.
Calculate interest penalties on overdue client invoices and copy battle-tested reminder email templates (Gentle, Firm, Final Notice) to get paid faster.
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Open an FDIC-insured business account with zero monthly fees, zero minimum balances, and up to 20 sub-accounts to automate tax withholding.
Explore Banking PartnersProtect your personal assets and unlock significant pass-through tax deductions by forming an official LLC or electing S-Corp status.
Compare LLC Filing ServicesAutomatically sync business bank accounts, track business mileage, and categorize deductions for seamless tax filings with CPA export.
View Bookkeeping AppsWhy thousands of independent professionals bookmark SolopreneurToolkit as their daily financial dashboard.
Your revenue, tax brackets, invoice line-items, and bank balances are processed strictly in your local browser JavaScript. We store zero personal financial numbers on our servers.
No heavy JavaScript frameworks, zero tracking bloat, and sub-second page loads. Instant calculation results without waiting for API roundtrips.
No subscription tiers, no "freemium" trial periods, and no watermarks on invoices. SolopreneurToolkit is supported by transparent affiliate partnerships and display advertising.