Selling an investment for more than you paid triggers a capital gain, and how much tax you owe on that gain depends heavily on how long you held the asset before selling. Our capital gains tax calculator estimates your tax liability based on your purchase price, sale price, and holding period, distinguishing between short-term and long-term rates. … Read more

A home equity line of credit (HELOC) lets you borrow against the equity you’ve built in your home, functioning more like a credit card than a traditional loan — you draw funds as needed up to your limit, rather than receiving a lump sum. Our HELOC calculator estimates how much you could borrow based on your home’s … Read more

The IRS treats cryptocurrency as property, not currency, which means selling, trading, or even spending crypto can trigger a taxable event. Our crypto tax calculator estimates what you owe based on your purchase price, sale price, and how long you held the asset, since short-term and long-term holdings are taxed at very different rates. Holding period is … Read more

The old “eight glasses a day” rule is a rough average at best, since your actual water needs depend on your body weight, activity level, and climate. Our water intake calculator estimates a personalized daily target based on these factors, giving you a more accurate number than a one-size-fits-all guideline. Your needs go up significantly on days … Read more

Intermittent fasting comes in a lot of different formats — 16:8, 18:6, alternate-day fasting — and the right one depends heavily on your daily schedule, not just which method sounds most effective. Our intermittent fasting calculator helps you map out an eating window based on your preferred fasting method and typical daily routine. The fasting window itself … Read more

Testing your actual one-rep max in the gym carries real injury risk, especially for lifts like the squat, bench press, or deadlift. Our one-rep max calculator estimates your 1RM using a weight and rep count you can already lift safely, applying standard strength formulas to project what you could likely lift for a single rep. This estimate … Read more

Between subscription plans, transaction fees, and payment processing rates, Shopify’s pricing structure isn’t always obvious from the pricing page alone. Our Shopify fee calculator estimates what you’ll actually pay per sale based on your plan tier and payment method, so you can price your products with your real margin in mind, not just your cost of goods. … Read more

Etsy’s listing fees, transaction fees, and payment processing fees add up quickly, and it’s easy to underestimate how much they eat into your margin until you actually calculate it. Our Etsy profit calculator takes your item price, shipping charge, and cost of goods to show your actual take-home profit after all of Etsy’s fees are deducted. Many … Read more

Return on investment (ROI) measures how much profit you made relative to what you put in, expressed as a percentage that makes it easy to compare completely different types of investments side by side. Our ROI calculator takes your initial investment and final return to calculate this percentage instantly, whether you’re evaluating a business purchase, a marketing … Read more

Every business or product has a break-even point — the sales volume where your revenue finally covers your fixed and variable costs, with nothing left over but nothing lost either. Our break-even point calculator estimates that number based on your fixed costs, variable cost per unit, and selling price, showing you exactly how many units you need … Read more