Free calculators for freelancers, contractors & remote workers.

Find your ideal hourly or day rate based on income goal, billable hours, and expenses.

Compare net income as a 1099 contractor vs W-2 employee with benefits factored in.

See what you actually take home after Upwork service fees and payment processing.

Estimate your US self-employment tax (Social Security + Medicare) on Schedule SE income.

Plan quarterly estimated tax payments using current-year and safe-harbor targets.

Create a clean, shareable invoice PDF in under a minute. No signup.

Australian freelancer tax calculator: ABN income vs PAYG employee comparison.

Estimate Solo 401k and SEP IRA contribution limits for self-employed savers.

Calculate overtime pay including time-and-a-half, double time, and weekend rates.

Convert annual salary to hourly, daily, weekly, or monthly pay.

UK net salary calculator with income tax, National Insurance, and student loan.

Calculate accrued paid time off based on hire date and accrual policy.

Estimate UK, Australia, and US WARN notice periods by service, event type, and contract terms.

UK redundancy pay estimator based on age, weekly pay, and years of service.

Quick check to help UK contractors assess likely IR35 status (inside/outside).