Leather Craft Calculators
Leather area and cost, belt and strap lengths, thickness conversion, stitch spacing and thread length for hand sewing.
Belt Length Calculator
Work out the strap length to cut for a belt, from the waist measurement, the buckle and the tip you want.
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Handmade Leather Pricing Calculator
Price a leather item on MARGIN, with marketplace fees taken off the selling price and a clear warning when the numbers cannot work.
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Leather Area Calculator
Work out the usable area of a hide and how many projects it holds, once the unusable belly, neck and defects are taken off.
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Leather Cost Calculator
Cost a piece of leather by area or by weight, with the unit conversions and the waste allowance built in.
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Leather Material Waste Calculator
See how much of a hide becomes product, what the offcuts and the unusable parts cost, and what the waste adds to each item.
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Leather Project Pricing Calculator
Price a leather project from the material and the hours it took, using a clear markup on cost.
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Leather Thickness Converter
Convert leather thickness between ounces, millimetres, inches and gauge, and check what the leather suits.
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Pattern Scaling Tool
Scale a leather pattern up or down and see what happens to the area, the leather you need and the cost.
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Stitch Spacing Calculator
Work out stitch count, holes per inch and the pricking iron to use for a seam of a given length and spacing.
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Thread Length Calculator
Work out how much thread a saddle stitched seam needs, in both directions, with the waste and the needle loading allowed for.
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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.