General Crafting Calculators
Measurement conversion, material quantities, project planning, time estimates and cost breakdowns that apply to any craft.
Cost Breakdown Calculator
Split the cost of any craft project into materials, labour, packaging and overhead, and see the true cost per item.
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Craft Hourly Rate Calculator
The hourly rate a maker needs to charge, from a target income, the hours worked and the share of them that is billable.
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Material Quantity Calculator
Any craft material, from your own coverage rate: how much the project uses, and how many packs to buy.
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Material Substitution Calculator
Convert a quantity of one material into the equivalent amount of a substitute, using a yield or coverage ratio you supply.
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Measurement Converter
Convert length, area, volume, mass and temperature between metric, imperial and US units, and copy the value into any craft.
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Project Deadline Planner
Whether a project can be finished by a date, the weekly hours it really needs, and a plain answer when it cannot.
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Project Time Calculator
Work out any craft project in hours, sessions and weeks from your own measured working rate.
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Scale Converter
Scale a recipe, a pattern or a materials list by a factor, or from one batch size to another.
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Stash Value Calculator
The replacement value of a materials stash by category, with a total, a share for each and an honest use rate.
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Unit Price Comparator
Which pack size is really cheaper per unit, once the surplus you will never use is taken into account.
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Waste Percentage Calculator
Work out the waste rate you actually achieved, from what you bought and what the project used, and what that waste cost.
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Other calculator categories
Educational estimates only. Results on this page are free educational estimates based on the numbers you enter and standard formulas, not financial advice. Nothing you calculate here is stored.