Free calculators
Every calculator below is free, works on your phone, and requires no signup. Built for plumbers, electricians, HVAC techs, contractors, beauty pros, and any 1–10 person service business.
Hourly Rate Calculator
Figure out what to charge per hour to actually take home a paycheck.
Labor Rate Calculator
Build a billed labor rate that covers cost, burden, and profit.
Markup Calculator
Convert cost to a sell price with the markup your trade actually needs.
Profit Margin Calculator
See gross margin on any job in seconds.
Pricing Calculator
Price a job from materials, labor, and overhead.
Tax Calculator
Estimate quarterly federal self-employment tax.
Sales Tax Calculator
Add sales tax to any line total — every US state.
Late Fee Calculator
Compute compliant late fees and interest on overdue invoices.
Invoice Generator
Create a branded invoice PDF in under a minute. No signup.
Estimate Generator
Send a professional estimate from your phone.
Invoice Number Generator
Pick an invoice numbering scheme that scales.
Payment Schedule Generator
Build deposit + progress + final payment schedules.
Business Name Generator
Brainstorm trade-business names that pass the domain check.