Free Work & Contractor Calculators
Accurate, free tools for hourly workers, employers, and contractors.
Time
Track hours, shifts, and time entries
Pay
Calculate wages, overtime, and pay rates
Employer
True cost of employment and compensation
Contractor
Pricing, markup, and job profitability
Guides
Plain-language explanations of payroll and pricing concepts
How to Calculate Overtime Pay
FLSA rules, formula, worked example, and state variations.
Decimal Hours Conversion Chart
Complete 1–59 minute reference table with formula.
How to Calculate Labor Burden
True cost of an employee beyond base wages — with formula and worked example.
How Contractors Calculate Labor Rates
From wage to billable rate: burden, overhead, utilization, and profit.
Markup vs Margin: What's the Difference?
Why the same profit gives different markup and margin percentages.
How to Calculate Job Profit
Job profit formula, worked example, and common cost-tracking mistakes.