Free calculators

Cubic metres of concrete for a slab, footing or post hole, and how many bags that is.

What a different tyre size does to your rolling diameter, and to what the speedo reads.

Pitch in degrees, ratio and percentage, and the real roof area once the slope is counted.

Cubic metres from any set of dimensions, and what that means in skip bins or truck loads.

Boards, joists and screws for a deck, from the size of the deck and the board you have chosen.

Litres of paint for a room or a wall, allowing for coats, doors and windows.

How many litres your pool holds, in litres rather than the US gallons most tools return.

Cubic metres of soil, mulch or gravel for a garden bed, and bulk against bags.

How many tiles and boxes an area takes, once cuts and breakages are allowed for.

Square metres of turf, the roll count, and the underlay to go beneath it.

Whether a chip or crack in your windscreen fails a Victorian roadworthy, and where the line sits.

Whether a repair in a Victorian rental is urgent, and what the rental provider has to do about it.

Whether a Victorian rental provider can require professional cleaning at the end of a tenancy.

Long service leave entitlement under your own state's Act, not a national average.

• New South Wales
• Victoria
• Queensland
• Western Australia
• South Australia
• Tasmania
• Australian Capital Territory
• Northern Territory

Annual leave accrued, taken and owing, on the National Employment Standards.

Redundancy pay under the NES. Federal law, the same in every state.

What salary packaging actually leaves in your pocket after tax.

Add GST, take GST off, or work backwards from a total that already includes it.

Salary to hourly and back, on the actual number of hours you work.

The difference between a 30% markup and a 30% margin, and what each one leaves you.

A tax invoice with everything the ATO requires on it, ready to send.

What a sole trader has to charge to end up with the same money as a wage.

Whether you have to register for GST yet, and what happens when you cross the threshold.

What a website is worth spending on for your business, and how long it takes to pay for itself.

The gazetted Victorian WorkCover industry rate for your classification, and how trades compare.

What organic traffic would have to be worth for SEO to pay for itself.

What the calls you don't answer are costing you over a year.

The things on your Google profile that decide whether you show up in the map pack.

What a customer is worth over the whole relationship, not just the first job.

Whether a job made money once the ute, the hours and the rework are in it.