Finance Calculators
Return on investment, break-even analysis, compound interest, and core business finance math.
Tools in this category
ROI Calculator
Return on investment with formula and benchmarks.
Break-even Calculator
Break-even units and revenue with visual chart.
CAC Calculator
Customer acquisition cost with LTV:CAC context.
LTV Calculator
Customer lifetime value with subscription and ecommerce models.
Compound Interest Calculator
Compound growth with contributions and visual chart.
Core business finance, simplified
Whether you're evaluating a $500 ad test or a $50,000 equipment purchase, the same four questions apply: what does it cost, what does it return, when does it pay back, and what else could that money do? These calculators give you clean answers to each — with the formula, worked examples, and context to explain what a "good" result looks like in the real world.