Thank you for contacting us.
Unfortunately there are no build-in methods.
You can try this workaround:
var slider = $("#slider").data("kendoSlider"),
dragableArea = slider._getDragableArea(),
location = kendo.touchLocation(e),
mousePosition = slider._isHorizontal ? location.x : location.y,
valueFromPosition = slider._getValueFromPosition(mousePosition, dragableArea);
If this workaround is not working for you could you please provide more information about your scenario, thus I will be able to help you.
the Telerik team
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