I agree, take measurements. Also, you will retain water when you are toning muscles. Water helps lubriate the joints to prevent injuries and is uesed to repair those itty bitty tears you get in your muscles (they are GOOD tears!) so expect it to go up slightly. Add more water and it should help get rid of any extra water weight you have around. You use more water when you exercise, so if you upped your exercise but not your water intake, your body is going to hold onto as much as it can out of fear it won't get enough later.
Also, many times, we focus only on the scale, fretting over the pound lost and the four pounds gained. We have no way of determining (outside of a DEXA scan of course) whether those pounds lost or gained are from water weight, fat, or muscle. Each one makes a big difference in the overall healthy changes we are trying to make. Where as the scale is a good indicator on whether or not you are on the right track, it isn't the end all in whether or not you are actually losing fat, and afterall, isn't that our primary goal? To lose fat? What if those 4 pounds lost was muscle? We can't tell our body to only attack our thigh muscles or our back muscles, it might be attacking our heart muscle. And even if we could tell it to only attack our thigh muscles, why would we want to??? What if those 4 pounds lost was only water weight? Where as that is great in the short term, continued water weight loss can be a sign of dehydration or worse. In both instances, you will generally NOT see a change in size on a measuring tape (unless you are trying to bulk muscle up, that is a different beast though!)
But you will see a change in the tape measure if you are losing/gaining fat! By using a measuring tape, you can see if you are losing inches off your body. When you lose inches, chances are you are losing fat. And ultimately, that’s the whole point of losing weight.
So, while the scale is a great tool, the tape measure is a better one! Like many have long stated, a stall/jump on the scale just means pull the tape measure out.
You are welcome to join my challenge
HERE. It might encourage you to take up the habit of measuring to see the change.