Stair Calculator: Rise, Run, Stringer & Angle (IRC)
Then you look up at house from where you stand on an incomplete deck and figure out: How many stairs will this take? And yes, … Read More
JSCalc
OSRS DPS Calculator – Melee Max Hit & Accuracy
It’s you versus a giant. Your heart races as you click that first attack button. Damage numbers appear on the screen, and everything freezes for … Read More
Business Days Calculator: Count or Add Workdays Fast
On Tuesday morning, you create an invoice with Net-30 terms, but then what? When does your customer need to pay? Is it 30 days from … Read More
Discount Calculator: Percent Off, Stacked & Sale Price
There are two price tags in front of you, one offering 20% off; another offering an additional 10%, provided you enter a discount code. Math … Read More
Life Expectancy Calculator: Estimate Your Lifespan
By translating an abstract concept, a health habit, into a tangible number of years, the calculator becomes a planning tool. When you purchase a home … Read More
Future Value Calculator: Lump Sum + Annuity Growth
Future value is a measure of your capital’s growth through time. You can think of it like leaving a dollar on the table for thirty … Read More
Loan Amortization Calculator With Full Schedule
If you have ever bought a car or taken out a personal loan, then you know how it works: you get a contract from the … Read More
APY Calculator: Nominal Rate to Annual Percentage Yield
When most folks look at a savings rate, they move on. Five percent? I can do that, they say to themselves. That’s my money. It … Read More
Hourly to Salary Calculator: Wage to Annual Pay Tool
Sometimes I’m offered a job that pays me $50,000 per year, and I have another that pays me $25/hour.” It’s hard to know which is … Read More
Concrete Slab Calculator: Yards, Bags, Rebar & Gravel
Determine the amount of concrete to purchase: You don’t want to end up with less than you need (running dry) or more than you actualy … Read More