Tools

Free tools for running the numbers side.

Calculators and tools for GST, income tax, withholding tax, contractor rates, menu pricing, break-even and more. Free to use, no sign-up needed.

GST Calculator

Add or remove GST from any amount. See the breakdown and copy the result.

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Income Tax Estimator

Estimate income tax and take-home pay for salary or sole trader income. See tax by bracket, ACC levy, and weekly, fortnightly, monthly and annual take-home.

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Tax Deadlines

Enter your balance date, GST frequency and other details to see your key tax deadlines. Download a calendar file or opt in to email reminders.

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Hourly Rate Calculator

Work out what to charge per hour as a contractor. Enter your target income, expenses and billable hours to get your required hourly and day rate.

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Withholding Tax Calculator

Calculate withholding tax on schedular payments. See tax withheld, net received, and an annual projection versus estimated tax.

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Markup vs Margin

Convert between markup and margin, and calculate sell price from cost. Stop confusing the two.

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Vehicle Expenses

Estimate your vehicle expense deduction using IRD kilometre rates. Enter your business kilometres to see your claim.

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Menu Pricing

Calculate the true cost of a menu item and suggest a selling price based on your target food cost or gross profit percentage.

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Break-Even Calculator

Find out how many sales you need to break even. Enter your fixed costs, average sale value and variable cost percentage.

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Employee Cost

See the real cost of hiring someone. Enter the hourly wage and hours to get the total annual cost with a full breakdown.

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