Ownership cost intelligence
Understand the true cost of ownership
Calculators for smarter financial decisions. Built for data-driven individuals.
Browse calculatorsPopular calculators
Free tools for every financial decision.
Property
Property holding cost
Model the full annual and total cost of holding an investment property — interest, rates, insurance, and management.
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Vehicles
Vehicle total ownership cost
The full lifetime cost of a car including depreciation, fuel, insurance, servicing, and financing.
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Investments
Compound interest
Visualise how compounding grows savings and investments over the long run.
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Business Assets
Break-even point
How many units a business must sell to cover its fixed and variable costs.
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Mortgages
Mortgage repayment
Monthly, fortnightly, or weekly repayments and total interest over the loan term.
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Loans
Personal loan
Repayment estimates for unsecured and secured personal loans.
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Debt
Credit card interest
The true cost of a credit card balance — total interest paid and time to pay it off.
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Personal Finance
Budget split
Allocate monthly income across needs, wants, and savings using the 50/30/20 rule or a custom split.
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Education
Student loan payoff
Project the timeline and total interest on a student loan, with extra-payment savings analysis.
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Logistics
Inventory holding cost
True cost of holding inventory — capital, storage, insurance, obsolescence, and handling.
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Compare
Rent vs buy
Compare the total cost and end-of-period wealth of renting versus buying over time.
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Optimise
Debt payoff optimiser
Compare snowball vs avalanche side-by-side and see which strategy clears your debts fastest.
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Forecast
FIRE calculator
Project your FIRE number, years to financial independence, and Coast FIRE threshold.
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Browse by category
Explore all 13 calculator categories.
Property
Real estate ownership costs, yields, taxes, and investment analysis for residential and commercial property.
5 calculators →
Vehicles
Total cost of vehicle ownership including depreciation, running costs, and financing.
8 calculators →
Investments
Financial asset analysis including returns, compounding, fee impact, and portfolio strategy.
6 calculators →
Business Assets
Equipment, SaaS, and operational cost analysis for business owners and operators.
4 calculators →
Mortgages
Home loan repayment modelling, offset strategies, and refinancing analysis.
5 calculators →
Loans
Personal loan, car loan, and debt consolidation calculators.
5 calculators →
Debt
Debt payoff strategies, optimisation, and freedom date projections.
6 calculators →
Personal Finance
Income breakdown, budgeting, savings goals, and family money calculators for everyday financial decisions.
11 calculators →
Education
Student loan payoff, education ROI, and cost-of-study modelling for tuition, living costs, and post-graduation earnings.
13 calculators →
Logistics
Inventory, warehousing, ordering, and shipping cost analysis for supply chain operators.
5 calculators →
Compare
Cross-asset and cross-product scenario comparisons — rent vs buy, asset A vs asset B, and more.
7 calculators →
Optimise
Strategy recommendations powered by multi-engine analysis — pick the optimal approach across debts, portfolios, and tax planning.
1 calculator →
Forecast
Long-horizon projections — model where your net worth, retirement readiness, and property values are heading.
2 calculators →
Latest guides
Practical, numbers-first writing on ownership cost and financial strategy.
Loans
How to calculate daily interest on a loan
Step-by-step guide to calculating daily, weekly, monthly, and annual interest on any loan type — with worked examples and tips to reduce what you pay.
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Investments
Annualised return vs total return
What total return measures, what annualised return measures, the CAGR formula, and why annualised is the right basis for cross-investment comparisons.
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Business Assets
CapEx vs OpEx: buy or subscribe?
How capital expenditure differs from operating expenditure, the cash flow and tax implications, and a TCO framework for buy-vs-subscribe decisions.
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Logistics
Carrying cost vs holding cost explained
Why the two terms are used interchangeably, the components of inventory cost, how to express it as a percentage, and industry benchmarks.
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