Maintenance calories for a 170 lb man

A 30-year-old man weighing 170 lb at 5′10″ burns about 2,605 calories a day lifting four days a week with 7,500 to 10,000 daily steps, and about 2,085 with a desk job and little activity. To lose about 0.85 lb a week, eat around 2,180 a day.

Updated

About you

Body fat is optional.

Sex
years
lb
Height
ft
in
Training sessions a week

Your phone's weekly average is the honest number. Steps move your TDEE more than gym days do.

%

Adds Katch-McArdle and Cunningham, which work from lean mass instead of total weight.

Your TDEE

2,605kcal/day
BMR at rest (Mifflin-St Jeor)
1,735 kcal
Activity factor
×1.50

Calorie targets

Macros for cut

Protein
170 g
Carbs
239 g
Fat
61 g

Your BMR by formula

Without a body fat %, only Mifflin-St Jeor can run. With one, the lean mass formulas join in and Katch-McArdle sets your TDEE.

Mifflin-St Jeor1,735 kcal
Katch-McArdleNeeds body fat %
CunninghamNeeds body fat %

Your TDEE at each activity level

The classic multipliers most calculators use, applied to your BMR. Use it to sanity check the steps and sessions estimate above.

Activity levelMultiplierTDEE
SedentaryDesk job, little exercise×1.22,085 kcal
Lightly activeExercise 1 to 3 days a week×1.3752,390 kcal
Moderately activeExercise 3 to 5 days a week×1.552,695 kcal
Very activeHard exercise 6 to 7 days a week×1.7252,995 kcal
Extremely activePhysical job plus hard training×1.93,300 kcal

The calculator above starts at 170 lb. Change your age, height, steps and training days for your own number.

TDEE by height and activity at 170 lb

Worked out with Mifflin-St Jeor for a 30-year-old man. Find your height, then read across to how active you are.

TDEE by height and activity at 170 lb
HeightSedentaryLightly activeModerately activeVery activeExtremely active
5′4″1,9702,2602,5452,8353,120
5′6″2,0102,3002,5952,8853,180
5′8″2,0452,3452,6452,9403,240
5′10″2,0852,3902,6952,9953,300
6′0″2,1252,4352,7403,0503,360
6′2″2,1602,4752,7903,1053,420
6′4″2,2002,5202,8403,1603,480

Calories to cut, maintain or bulk at 170 lb

Targets for a 30-year-old man at 5′10″ who lifts four days a week and walks 7,500 to 10,000 steps a day, with the pace set as a share of bodyweight.

Calories to cut, maintain or bulk at 170 lb
GoalCalories a dayWeekly change
Fast cut1,970−1.28 lb
Cut2,180−0.85 lb
Slow cut2,395−0.43 lb
Maintain2,605None
Lean bulk2,820+0.43 lb

TDEE by age at 170 lb

The formula takes 5 calories a day off resting energy for every year of age, so the same body burns a little less each decade. Worked out at 5′10″.

TDEE by age at 170 lb
AgeBMRSedentaryModerately active
20 years1,7852,1452,770
30 years1,7352,0852,695
40 years1,6852,0252,615
50 years1,6351,9652,540
60 years1,5851,9052,460

How much protein at 170 lb

Most of the research on lifters lands between 1.6 and 2.2 g of protein per kilogram of bodyweight a day. At 170 lb that is 123 to 170 g a day, with the top of the range most useful during a cut.

Other bodyweights

TDEE Calculator

Frequently asked questions

How many calories should a 170 lb man eat to lose weight?

Start from maintenance and take off enough to lose about 0.5% of bodyweight a week. For a 30-year-old man at 5′10″ who lifts four days a week, maintenance is about 2,605 calories, so a cut sits near 2,180 a day. Weigh in daily, compare weekly averages, and adjust by 100 to 150 calories if the trend is off after two to three weeks.

How many calories should a 170 lb man eat to build muscle?

A lean bulk gains about 0.25% of bodyweight a week, which at 170 lb is a surplus of about 215 calories a day. That puts a man at 5′10″ who lifts four days a week near 2,820 calories a day, with 123 to 170 g of protein.

How many calories does a 170 lb man burn at rest?

At rest, a 30-year-old man at 5′10″ and 170 lb burns about 1,735 calories a day: that is the BMR. With a desk job and little exercise, the total for the day is about 2,085 calories.