65+ Free Tools Every Australian Builder Needs in 2026

Stop guessing and start calculating. These free tools save tradies hours on quotes, tax calculations, and job planning. All free. No signup.

💰 Money & Tax Tools

• GST Calculator — Add/remove 10% GST instantly
• Income Tax Calculator — Estimate your tax return
• PAYG Tax Calculator — How much to withhold from wages
• Hourly to Salary — What's your annual income?
• Overtime Calculator — Time-and-a-half, double time
• Superannuation Calculator — Are you paid enough super?

🏗️ Construction & Job Tools

• Concrete Calculator — Cubic metres for any slab
• Decking Cost Calculator — Timber vs composite pricing
• Paving Cost Calculator — Pavers, bluestone, installation
• Square Metre Calculator — Area in m² for any shape
• Gravel Calculator — Tonnes needed for any area

⏱️ Time & Productivity

• Time Calculator — Add/subtract hours and minutes
• Date Duration Calculator — Days between dates
• Age Calculator

📄 Business & Admin

• Text to Slug — URL-friendly text converter
• Word Counter — Count words for quotes and proposals
• Password Generator — Secure passwords
• QR Code Generator — QR codes for invoices