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Financial

Affordability, debt, savings, cashflow, and comparison calculators.

Business

Pricing, margin, break-even, and valuation tools for operators.

Property

Rental ROI, cap rate, cashflow, and renovation return calculators.

Tax

Australian tax estimates, GST set-asides, and BAS cashflow tools.

Freelancers

Rates, project pricing, utilisation, scope buffers, and deposits.

Trades

Quote estimators for labour, materials, overhead, risk, and GST.

Featured calculators

Home Loan Reality Calculator

Stress-test a home loan against income, expenses, rate rises, and a safer purchase price.

Pricing & Margin Decision Calculator

Set a price that protects margin, covers fixed costs, and tests competitor pressure.

Rental Property ROI Calculator

Compare rental yield, cap rate, cashflow, debt service, and cash-on-cash return.

Australian Tax Estimate Calculator

Estimate Australian resident income tax, Medicare levy, PAYG gap, and take-home pay.

Freelance Rate Reality Calculator

Calculate the hourly or day rate needed after tax, expenses, leave, and non-billable time.

Trade Quote Estimator

Build a quote from labour, materials, equipment, overhead, contingency, margin, and GST.

About CalcKit

Calculators that help you make the next decision.

CalcKit is built for people who need more than a basic answer: clear decision signals, credible assumptions, and a report that can support a real conversation.

Calculator library

CalcKit covers financial, business, property, tax, freelance, and trade decisions with the same structured reporting standard.

Explore calculators

How It Works

Simple inputs. Clear metrics. Useful reports.

Decision-first

CalcKit focuses on the question behind the numbers: what the result means, what to compare, and what to check next.

Report quality

Outputs are structured into concise printable reports with assumptions, key metrics, findings, and next steps.

Plain language

Results are written for real conversations with households, brokers, lenders, clients, and business partners.

Coverage

Quality-first calculators across practical decisions.

The library focuses on decisions people actually need to make: borrowing comfort, pricing, margins, tax set-asides, rental returns, freelance rates, and client-ready quotes.

Important Note

CalcKit supports planning. It does not replace advice.

Results depend on the assumptions entered. Before making a financial commitment, confirm the figures, fees, tax treatment, product terms, and policy rules that apply to your situation.