Numerandi
Small tools that do one job well
The name comes from ars numerandi, Latin for “the art of counting” and the title of a 15th-century arithmetic treatise. Here, that means calm, focused answers with the working left visible.
Start with the decision you need to make
Freelance TaxesPlan self-employment tax, estimated payments, entity choices, QBI, and vehicle deductions.Freelance Rates & PricingSet a sustainable hourly floor and think clearly about project prices and future rate increases.Freelance Cash FlowHandle overdue invoices and allocate collected revenue before cash pressure becomes a crisis.
All freelance finance calculators
- 1099 vs W-2 Calculator
Compare a contractor rate with a W-2 salary after federal payroll taxes and benefits, then find the break-even 1099 hourly rate. - Freelance Hourly Rate Calculator
Turn a target annual take-home amount, realistic billable capacity, expenses, and a tax reserve into an hourly and day rate. - Freelance Project Pricing Calculator
Build a freelance project quote from estimated work, your sustainable rate, direct expenses, uncertainty, and a true profit margin. - Freelance Runway Calculator
Estimate how many months your usable cash can cover essential spending after dependable income, while keeping protected tax money out. - Home Office Deduction Calculator
Compare the 2026 simplified home office deduction with an actual-expense estimate and see the method that gives the larger allowed amount. - Invoice Late Fee Calculator
Calculate simple annual interest or a one-time flat late fee on an overdue invoice, total due, and daily interest accrual. - LLC vs S-Corp Tax Calculator
Compare Schedule C self-employment tax with S-corporation payroll tax, distributions, compliance cost, and break-even profit. - Mileage vs Actual Expense Calculator
Compare the split 2026 business mileage rates with actual vehicle expenses, business-use percentage, parking, and tolls. - Profit First Allocation Calculator
Split monthly real revenue into Profit First targets for profit, owner pay, tax, and operating expenses by revenue tier. - QBI Deduction Calculator
Estimate the 2026 section 199A deduction with SSTB phase-out, W-2 and UBIA limits, taxable-income cap, and $400 floor. - Quarterly Estimated Tax Calculator
Compare the 90%, 100%, and 110% estimated-tax safe harbors, the $1,000 rule, equal installments, and Form 2210 timing. - Self-Employment Tax Calculator
Estimate 2026 self-employment tax, its Social Security and Medicare parts, your deduction, and a simple quarterly amount.