Simple calculators apps
Single-purpose calculators that answer one question clearly, with assumptions shown.
Includes existing projects for sale and app ideas.
Results
39 results
PantryRatio Recipe & batch scaler
AI-generated Scale ingredient quantities, estimate batch costs, and make a combined shopping checklist.
PeakPath: Drawdown and recovery analyzer
AI generated Analyze drawdowns and recovery arithmetic from your own dated investment value series.
Pricing Calculator for Handmade Goods
Price handmade items with materials, time and margin.
Recipe Card
Paste any recipe, set the servings, and get a clean index card with every amount scaled and tidied.
ScaleSparrow Drawing & model scale calculator
AI-generated Convert real and model lengths at a chosen scale, compare ratios, and switch metric or imperial units.
SplitSprout: Stock split ratio calculator
AI generated Calculate regular and reverse stock split ratios, theoretical prices, and exact fractional share results.
WeightWillow: Portfolio allocation calculator
AI generated Compare manual portfolio values with your own target weights, showing allocation drift and value gaps.