All Calculators
Search the full Instantora catalogue or filter by category to find the right tool fast.
10 free calculators and counting

Mortgage Repayment Calculator
Estimate monthly repayments, total interest and the impact of extra repayments.
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Home Affordability Calculator
Estimate how much house you can afford from your income, deposit, debts and rate.
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Borrowing Power Calculator
Estimate how much you may be able to borrow based on income, debts, expenses and deposit.
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Salary After Tax Calculator
Calculate take-home pay and effective tax rate across multiple countries.
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Compound Interest Calculator
Estimate how savings or investments may grow over time with regular contributions and compound interest.
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Retirement Calculator
Estimate retirement savings, future investment growth and retirement income.
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Savings Goal Calculator
Work out how much you need to save regularly to reach a target amount.
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Solar Payback Calculator
Work out annual savings, payback period and 20-year returns on a solar system.
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EV vs Petrol Cost Calculator
Compare the running costs of electric and petrol vehicles over five years.
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Shoe Size Converter
Convert shoe sizes between US, UK, EU, AU, centimetres and inches.
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