Welcome to Speed Distance Time. These calculators are for cyclists, athletes, joggers or anyone interested in measuring the speed, distance or time of a journey. Choose a calculator and enter the values you have into the white boxes. To change units, click on the orange drop down buttons.

Get the iPhone app

Speed Distance Time is available now on iPhone. Get all the features of this page and more in your pocket!

• Calculate - Calculate either Speed, Distance or Time by simply entering the other two values.
• Easy to use - Simply tap the value you'd like to calculate on the menu, and then enter your values by tapping the white areas. Your result is updated whenever you make a change.
• Speed units galore - Many speed units are supported, including mph, km/h, m/s, cm/s, feet/m, feet/s, furlongs/minute, leagues per day, knots and mach.
• Distance units galore - Many distance units are supported, including miles, km, meters, cm, mm, feet, inches, yards, furlongs, nautical miles and leagues.
• Landscape mode - Features a landscape mode for easier control as well as viewing and entering much longer values.
• Speed Distance Time triangle - This handy triangle reminds you how the measurements are calculated.
• Saves your data - Your data is always saved automatically for your next use.
• Wipe the slate clean - Simply tap the Clear button to clear your values and start afresh.