Business Days Calculator
Count weekdays between two dates, excluding holidays.
Free business calculators and generators for invoices, margins, tips, business days, and productivity timers.
Count weekdays between two dates, excluding holidays.
Calculate profit, margin percent, and markup percent.
Build a plain-text invoice draft from line items.
Business tools support light planning and operations tasks: estimate profit margins, draft a simple invoice, calculate tips, count business days between dates, or run a pomodoro-style timer. They are aimed at freelancers and small teams who need quick numbers without a full accounting suite.
Use these estimates alongside your own records. Tax and payroll rules vary by location, so treat outputs as planning aids. Invoice drafts are starting points for you to review, not automatically compliant legal documents.
Business Days Calculator excludes weekends and can exclude holidays you list, which is useful for delivery estimates and project timelines. Tip and percentage tools help with client dinners or simple markup math when you do not need a full finance calculator.
Keep sensitive client data out of shared browsers. Even though processing is local, downloads and clipboard history remain on the device you use.
Profit Margin Calculator helps you explore markup and margin relationships before you publish a price. Invoice Generator creates a simple draft you can copy into your own template. Pomodoro Timer supports focus sessions with optional browser notifications if you grant permission. Together these tools cover light operations work without requiring an account or cloud workspace.
For payroll-style estimates, prefer Finance tools such as Paycheck Calculator or Salary Calculator. Business pages stay focused on lightweight operations and productivity rather than full accounting workflows.
Use these pages for quick planning, then record final numbers in your own bookkeeping system. Keep client-identifying details out of shared devices.
Exports and copies are your responsibility to store securely after you leave the page.
No. The invoice generator creates a draft for you to review and adapt. It is not a substitute for accounting or legal review.
Only when a tool has explicit tax fields. Otherwise, add taxes yourself or use a dedicated tax or sales-tax calculator.