About BizTools.au
BizTools.au exists to make everyday business numbers easier to check
BizTools.au is a practical calculator website for Australian operators who want clearer pricing, cleaner cost visibility, and faster decision support without bloated software or hype.
At a glance
- 17 live calculators already available across the site.
- Built for small businesses, tradies, freelancers, agencies, and service operators.
- Structured to support future guides and careful monetisation without compromising usability.
Positioning
What the site is designed to help with
The goal is to help operators move from rough guesses to clearer working numbers when pricing, hiring, quoting, planning, or checking profitability.
Built around real business decisions
BizTools.au focuses on the moments where owners need a fast, sensible number check before they quote work, hire staff, set aside GST, or price a service properly.
Written for Australian operators
The site is shaped around Australian GST, payroll, quoting, and service-business realities rather than generic international calculator content.
Designed to stay lean and trustworthy
The library uses a lightweight architecture so calculators, guide content, and future monetisation can grow without burying the site under clutter.
Approach
How BizTools.au is being built
The site combines fast calculator pages with practical explanatory content so users can understand the assumptions behind the numbers, not just copy the output.
Plain-English summaries
Results are explained in practical language so the output is easier to use in a real quote, staffing decision, or pricing review.
Estimate-based calculators
BizTools.au is built to help people sense-check business numbers quickly. It is not positioned as a substitute for legal, tax, payroll, accounting, or financial advice.
Monetisation with restraint
Advertising and sponsorship may sit alongside the site over time, but the goal is to keep calculator pages useful, readable, and clearly separated from promotional material.
How it works
What the site experience is meant to do
BizTools.au is designed to keep the path from question to answer simple, while still giving users enough context to use a result sensibly.
Start with the decision, not the formula
Pick the calculator or category that matches the business question in front of you, such as pricing a service, checking GST, or costing a role.
Use the result as a working check
Each calculator is built to return a fast estimate, plain-English summary, formula explanation, and worked example so the output is easier to verify.
Move to the next useful page
Follow the related tool, guide, and disclaimer links when the answer needs more context before you rely on it in a real business decision.
Important note
BizTools.au is a practical information site, not an advice service
Calculator outputs can be useful starting points, but business decisions still need context, proper assumptions, and professional advice where appropriate.
What BizTools.au is not
The site is designed to support better day-to-day business judgment, not to replace qualified advice or full business modelling.
- Calculator results are general estimates only and depend on the figures entered.
- Examples and summaries are provided for general information, not legal, tax, accounting, payroll, or financial advice.
- Before relying on a result for a real decision, check your assumptions and get qualified advice where needed.
Popular calculators
Start with the calculators people usually need first
These tools are a good entry point if you want a quick sense of the kinds of checks BizTools.au is built to support.
Service Pricing Calculator
Turn labour cost, overhead allocation, and a target margin into a required service price.
Open calculatorTradie Quote Calculator
Estimate a simple job quote using labour, materials, additional costs, markup, and GST.
Open calculatorEmployee Cost Calculator Australia
Estimate the real annual cost of employing someone once super, payroll tax, workers compensation, and other costs are added.
Open calculatorGST Calculator Australia
Add or remove 10% GST from an amount so you can check quotes, invoices, and pricing quickly.
Open calculatorCash Flow Runway Calculator
Estimate how many months current cash reserves can last based on average monthly expenses and revenue.
Open calculatorContractor vs Employee Cost Calculator
Compare the estimated annual cost of an employee against a contractor arrangement using simple Australian on-cost assumptions.
Open calculatorGuides
The guide library is growing alongside the tools
Published guides now sit beside the calculators so the site can explain the numbers, assumptions, and trade-offs behind common business decisions.
How to Price Services for Profit
Build service prices from cost, overhead, and target profit so the job still works after delivery.
Price for profitHow to Set a Sustainable Hourly Rate
Set an hourly rate that covers income goals, overheads, and real billable hours instead of copying someone else’s number.
Set your hourly rateHow to Calculate Cash Flow Runway
Measure how many months of runway the business has left based on current cash, revenue, and monthly burn.
Check your runwayLate Payment Fees on Invoices in Australia
Use late fee logic more carefully by pairing the calculator with clear payment terms and a realistic overdue process.
Review late fee logicContractor vs Employee Cost — Small Business Guide
Compare contractor and employee cost with small-business realities like workload certainty, control, and utilisation in view.
Weigh the cost trade-offsHow Tradies Should Build a Profitable Quote
Build tradie quotes with clearer labour recovery, materials, markup, GST, and job-profit checks.
Build better quotes