Measures return on investment by comparing net gain or loss against the original cost, expressed as both a percentage and a dollar amount. Essential for marketing campaign evaluation, equipment purchase decisions, real estate investment analysis, and comparing investment opportunities. Everything runs locally in your browser — nothing is uploaded.
Calculate markup percentage, selling price, and gross profit from cost. Essential for retail pricing and margin analysis. Everything runs locally in your browser — nothing is uploaded.
Calculates gross margin percentage, markup percentage, cost, and selling price from any two known variables — perfect for retail pricing, wholesale negotiations, and e-commerce product listing optimization where you need to work backwards from a target margin.
Determines the exact unit volume or revenue required to cover fixed and variable costs, with a built-in sensitivity slider for price changes. Essential for startup pricing strategy, product launch planning, and manufacturing cost analysis where knowing your break-even point is critical before committing to production.
Computes percentage values, percentage increases and decreases, and what-percent-of-what relationships with precise decimal arithmetic. Essential for everyday math — tips, discounts, tax rates, grade scores, and statistical comparisons where quick percentage answers are needed.
Divides total sales-and-marketing spend by the number of new customers acquired in the same period to produce a blended acquisition cost. Startups and growth teams use CAC to evaluate marketing channel efficiency, optimize ad spend, and benchmark against LTV.
ROI Calculator lets you measures return on investment by comparing net gain or loss against the original cost, expressed as both a percentage and a dollar amount. Essential for marketing campaign evaluation, equipment purchase decisions, real estate investment analysis, and comparing investment opportunities. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Measures return on investment by comparing net gain or loss against the original cost, expressed as both a percentage and a dollar amount. Essential for marketing campaign evaluation, equipment purchase decisions, real estate investment analysis, and comparing investment opportunities. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Enter numeric values in the input fields — amounts, rates, or percentages.
Yes. After the initial page load, ROI Calculator runs entirely on your device with no internet connection needed. All processing is done locally.
Measures return on investment by comparing net gain or loss against the original cost, expressed as both a percentage and a dollar amount. Essential for marketing campaign evaluation, equipment purchase decisions, real estate investment analysis, and comparing investment opportunities. All calculations run locally in your browser.
All calculators use standard financial formulas and are accurate to two decimal places unless otherwise specified.
No. These tools provide mathematical calculations for educational and planning purposes. Consult a financial advisor for professional advice.
Some calculators include local storage for recent calculations. History stays on your device.
CAGR Calculator
Calculate the Compound Annual Growth Rate (CAGR) for investments. Shows year-by-year growth breakdown. Everything runs locally in your browser — nothing is uploaded.
Break-Even Calculator
Determines the exact unit volume or revenue required to cover fixed and variable costs, with a built-in sensitivity slider for price changes. Essential for startup pricing strategy, product launch planning, and manufacturing cost analysis where knowing your break-even point is critical before committing to production.