Free calculators and reference guides for founders and finance teams at growing companies. No sign-up needed, and nothing you type leaves your browser.
Free calculators and checkers
Sales tax nexus checker
Find out which states you need to register in, using every state’s current economic nexus threshold. Built for ecommerce and SaaS sellers.
State income tax nexus checker
See where your company may owe state income, franchise or gross receipts tax, with every state’s bright-line test.
Quarterly estimated tax calculator
Work out the federal estimated payments that keep you inside the IRS safe harbor, with this year’s due dates.
Cash runway calculator
See your net burn, months of runway and the month cash would run out, with revenue and cost growth built in.
Guides and articles
For step-by-step guidance on bookkeeping, month-end close, tax deadlines and business structure, browse our accounting insights.
Want these numbers done for you every month?
Our CPA-led team runs bookkeeping, the month-end close and controller reporting for ecommerce, SaaS and AI companies.