Below is a percentage average calculator, which will calculate the arithmetic mean of a list of percentages. Enter as many […]

What day number is today? What date is day 256? This day of the year calculator converts between calendar dates […]

The Dow Jones Industrial Average returned 12.67% in 2025. Using a better calculation including dividend reinvestment, the Dow Jones returned […]

The S&P 500 Price index returned 15.96% in 2025. Using an estimate which includes the effects of dividend reinvestment, the […]

The tech-heavy NASDAQ index returned 19.78% in 2025. Using a better calculation which includes dividend reinvestment the NASDAQ returned 20.56%. […]

How far back is 2 millennia? This millennia ago calculator takes you back thousands of years and handles the BC/AD […]

What year will it be in one millennium? This millennia from now calculator projects dates into the distant future. Millennia […]

Need to measure time in millennia? This millennia calculator computes the exact number of millennia between any two dates. Millennia […]

What will the date be in one century? This centuries from now calculator projects any number of centuries into the […]

How far back is 2.5 centuries? This centuries ago calculator converts any number of centuries into an exact historical date. […]