ChartBender Options Trading
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Intrinsic Value for CALL options:

Intrinsic Value = stock price - strike price.  

If the stock price is below the strike price, then the option contains no intrinsic value.
Time Value for CALL options:

Time Value = Option Price - Intrinsic Value.

Therefore...

Time Value = Option Price - (Stock Price - Strike Price)

Calls can be in-the-money (ITM), at-the-money (ATM) or out-of-the-money (OTM).

ITM:  Stock Price is above the Strike Price of the call.

ATM:  Stock Price is equal to the Strike Price of the call. In practice, the strike price that is nearest to the stock price is considered the at-the-money option.

OTM:  Stock Price is below the Strike Price of the call.
Intrinstic Value for the call above:  

$37.50 - $35.00 = $2.50
Time Value for the call above:

$3.50-($37.50-$35) = $1.00