Woman slamming battle ropes
The science-backed calorie engine

KNOW YOUR BURN.
OWN YOUR GOAL.

Your resting metabolic rate is estimated with the Mifflin-St Jeor equation, the formula research has shown to be the most accurate for most people. Body fat comes from the U.S. Navy method, a validated approach used by military and healthcare professionals. Dial in your details below and watch every number update live.

START CALCULATING

An interactive experience powered by Ceros

TRAIN  β€’  EAT  β€’  SLEEP  β€’  REPEAT  β€’  TRAIN  β€’  EAT  β€’  SLEEP  β€’  REPEAT  β€’  

TRAIN  β€’  EAT  β€’  SLEEP  β€’  REPEAT  β€’  TRAIN  β€’  EAT  β€’  SLEEP  β€’  REPEAT  β€’  

Step by step

Dial in your numbers

Lean athlete training in a dark gym
Muscular woman lifting in a dark gym

Your goal

This sets your calorie target and weekly pace.

Fat LOSS

MUSCLE GAIN

1

Units

US

METRIC

2

Height

βˆ’

5β€²10β€³

+

3

Sex

MALE

FEMALE

4

Age

βˆ’

30

+

5

Weight

βˆ’

180 LB

+

6

Body measurements

Powers the U.S. Navy body-fat estimate.

Neck

βˆ’

15 IN

+

Waist

βˆ’

34 IN

+

Hips

βˆ’

38 IN

+

7

Activity level

Moderate exercise 3-5 days a week.

SEDENTARY

LIGHT

MODERATE

VERY ACTIVE

ATHLETE

8

Daily movement

Average daily steps outside workouts β€” we add the extra burn on top.

βˆ’

8,000

+

9

Fitness styles

Pick everything you enjoy β€” it shapes your coach match.

WEIGHTLIFTING

HIIT

CROSSFIT

BOXING

RUNNING

YOGA

10

Weekly pace

1.0 lb per week is roughly a 500 kcal daily deficit.

0.5 LB

1.0 LB

1.5 LB

2.0 LB

Woman lifting in a dark gym

TRAIN.
EAT.
REPEAT.

The Standard

NO SHORTCUTS

Live results

Your numbers

Resting metabolic rate

1,798

kcal / day

Mifflin-St Jeor equation

Body fat estimate

18.1%

FIT

U.S. Navy method

Total daily burn

3,103

kcal / day

Includes +316 kcal from daily movement

Your daily target

2,603

kcal / day

To lose 1.0 lb per week

Daily macros for your goal

Protein

180

g

Carbs

254

g

Fat

72

g

Estimates only β€” not medical advice. Talk to a professional before making big changes.

12-week projection

Where you’re headed

At 2,603 kcal a day, you’re on track to go from 180 lb to about 168 lb in 12 weeks.

W1

W2

W3

W4

W5

W6

W7

W8

W9

W10

W11

W12

Goal 168 LB

Woman lifting weights in a dark gym
Meet your accountability

STRONGER

EVERY SINGLE DAY

A plan only works when someone holds you to it. Meet the five coaches below β€” one of them is already matched to your numbers.

Your match

Meet your coach

Based on your goal, activity and fitness level, we’ll highlight the coach built for you.

Coach Ava Reyes portrait

Ava Reyes

Foundations & fat loss

πŸƒ Running Β· πŸ”₯ HIIT Β· 🧘 Mobility

Ava has spent eight years helping first-time gym-goers lose their first 20 pounds without crash diets. Expect walking plans, simple strength circuits and weekly habit check-ins that survive real life.

SCHEDULE A CONSULTATION

Know your burn. Own your goal.

Estimates only β€” not medical advice.

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