Full version: jsB@nk » Calculation » Distance Speed Time
URL: https://www.javascriptbank.com/distance-speed-time.html
Calculate the time, distance, or speed given any two of the pieces of information. Convenient!
Full version: jsB@nk » Calculation » Distance Speed Time
URL: https://www.javascriptbank.com/distance-speed-time.html
<SCRIPT LANGUAGE="JavaScript">// Gary Nicholson ([email protected])function calculatetime(form) {// get conversion factors from selected optionsvar i = form.distunits.selectedIndex;var distunitsvalue = form.distunits.options[i].value; var j =form.speedunits.selectedIndex;var speedunitsvalue = form.speedunits.options[j].value;// calculate time in seconds form.secondvalue.value =(form.distvalue.value * distunitsvalue) / (form.speedvalue.value *speedunitsvalue);// convert to hours, minutes, seconds form.hourvalue.value =parseInt(form.secondvalue.value / 3600);form.secondvalue.value = form.secondvalue.value - (form.hourvalue.value* 3600);form.minutevalue.value = parseInt(form.secondvalue.value / 60);form.secondvalue.value = parseInt(form.secondvalue.value -(form.minutevalue.value * 60));return true;}function calculatedistance(form) {// get conversion factors from selected optionsvar i = form.distunits.selectedIndex;var distunitsvalue = form.distunits.options[i].value; var j =form.speedunits.selectedIndex;var speedunitsvalue = form.speedunits.options[j].value;// convert time to secondsvar temp = ((parseFloat(form.hourvalue.value) * 3600) +(parseFloat(form.minutevalue.value) * 60) +parseFloat(form.secondvalue.value));// calculated distanceform.distvalue.value = ((form.speedvalue.value * speedunitsvalue) *temp) / distunitsvalue; return true;}function calculatespeed(form) {// get conversion factors from selected optionsvar i = form.distunits.selectedIndex;var distunitsvalue = form.distunits.options[i].value; var j =form.speedunits.selectedIndex;var speedunitsvalue = form.speedunits.options[j].value;// convert time to secondsvar temp = ((parseFloat(form.hourvalue.value) * 3600) +(parseFloat(form.minutevalue.value) * 60) +parseFloat(form.secondvalue.value));// calculate speedform.speedvalue.value = ((form.distvalue.value * distunitsvalue) /(temp * speedunitsvalue)); return true;}function clearcell(cell) {cell.value = "";return true;}</script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><form><table><tr><td>Enter distance value and unit:</td> <td><inputtype=text name=distvalue size=15 value="1"onfocus="clearcell(distvalue)"></td><td><select name=distunits><option value=1>Metres<option value=0.001>Millimetres<option value=0.01>Centimetres<option value=1000>Kilometres<option value=0.0254>Inches<option value=0.3048>Feet<option value=0.9144>Yards<option value=1.8288>Fathoms<option value=1609.344>Statute Miles<option value=1852>Nautical Miles<option value=9460000000000000>Light Year</select></td></tr><tr><td>Enter speed value and units:</td> <td><inputtype=text name=speedvalue size=15 value="1"onfocus="clearcell(speedvalue)"></td><td><select name=speedunits><option value=1>Metres per Second<option value=0.277777777777777777777777777777777777>Kilometre per Hour<option value=0.3048>Feet per Second<option value=0.00508>Feet per Minute<option value=0.01524>Yard per Minute<option value=0.44704>Statute Mile per Hour<option value=0.514444444444>Knot</select></td></tr></table><table><tr><td>Time is:</td><td><input type=text name=hourvalue size=5 value=""readonly></td><td>Hours</td><td><input type=text name=minutevalue size=5 value=""readonly></td><td>Minutes</td><td><input type=text name=secondvalue size=5 value=""readonly></td><td>Seconds</td></tr></table><input type=button value="Calculate"onClick='calculatetime(this.form)'></form><hr><h4>Distance from Speed and Time</h4><form><table><tr><td>Enter speed value and units:</td> <td><inputtype=text name=speedvalue size=15 value="1"onfocus="clearcell(speedvalue)"></td><td><select name=speedunits><option value=1>Metres per Second<option value=0.277777777777777777777777777777777777>Kilometre per Hour<option value=0.3048>Feet per Second<option value=0.00508>Feet per Minute<option value=0.01524>Yard per Minute<option value=0.44704>Statute Mile per Hour<option value=0.514444444444>Knot</select></td></tr></table><table><tr><td>Enter time:</td><td><input type=text name=hourvalue size=5 value="0"onfocus="clearcell(hourvalue)"></td><td>Hours</td><td><input type=text name=minutevalue size=5 value="0"onfocus="clearcell(minutevalue)"></td><td>Minutes</td><td><input type=text name=secondvalue size=5 value="0"onfocus="clearcell(secondvalue)"></td><td>Seconds</td></tr></table><table><tr><td>Distance is (select unit before calculating):</td><td><input type=text name=distvalue size=15 value=""readonly></td><td><select name=distunits><option value=1>Metres<option value=0.001>Millimetres<option value=0.01>Centimetres<option value=1000>Kilometres<option value=0.0254>Inches<option value=0.3048>Feet<option value=0.9144>Yards<option value=1.8288>Fathoms<option value=1609.344>Statute Miles<option value=1852>Nautical Miles<option value=9460000000000000>Light Year</select></td></tr></table><input type=button value="Calculate"onClick="calculatedistance(this.form)"></form><hr><h4>Speed from Distance and Time</h4><form><table><tr><td>Enter distance value and unit:</td> <td><inputtype=text name=distvalue size=15 value="1"onfocus="clearcell(distvalue)"></td><td><select name=distunits><option value=1>Metres<option value=0.001>Millimetres<option value=0.01>Centimetres<option value=1000>Kilometres<option value=0.0254>Inches<option value=0.3048>Feet<option value=0.9144>Yards<option value=1.8288>Fathoms<option value=1609.344>Statute Miles<option value=1852>Nautical Miles<option value=9460000000000000>Light Year</select></td></tr></table><table><tr><td>Enter time:</td><td><input type=text name=hourvalue size=5 value="0"onfocus="clearcell(hourvalue)"></td><td>Hours</td><td><input type=text name=minutevalue size=5 value="0"onfocus="clearcell(minutevalue)"></td><td>Minutes</td><td><input type=text name=secondvalue size=5 value="0"onfocus="clearcell(secondvalue)"></td><td>Seconds</td></tr></table><table><tr><td>Speed is (select units before calculating):</td><td><input type=text name=speedvalue size=15 value="1"readonly></td><td><select name=speedunits><option value=1>Metres per Second<option value=0.277777777777777777777777777777777777>Kilometre per Hour<option value=0.3048>Feet per Second<option value=0.00508>Feet per Minute<option value=0.01524>Yard per Minute<option value=0.44704>Statute Mile per Hour<option value=0.514444444444>Knot</select></td></tr></table><input type=button value="Calculate"onClick="calculatespeed(this.form)"></form><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->