Since you can not accurately assign a calorie burn value to strength workouts any number will border on fantasy. Record it as strength training and worry about calories in not calories out since nutrition trumps any exercise when it comes to fat loss.
It is called WORK-ing out for a reason.
I said getting fit was simple, I did not say it was easy.
Cardio burns calories, strength work burns fat.
Eat well to lose weight, exercise to get fit
You can not build a six pack using twelve packs
Often when we seek a magic bullet for fitness we end up shooting ourselves in the foot.
"I think calories are little germs in food that all moms are afraid of" Dennis the Menace