Tool
Cost-per-use calculator
Compare the long-term ownership cost of two products, not just the sticker price.
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Work the numbers
before you buy.
Simple calculators and generators for everyday decisions. No signup, no tracking beyond our normal analytics.
Tool
Unit price calculator
See which pack size is actually cheaper per unit, with a percentage difference.
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Mouse sensitivity calculator (eDPI)
Convert DPI and in-game sensitivity into one comparable number.
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One-rep max calculator (1RM)
Estimate a one-rep max from a working set, with a training-percentage table.
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Packing list generator
Build a packing list with quantities from your trip length and laundry access.
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