Workout and Fitness Calculator
# Fitness & Strength Calculator API The most comprehensive fitness calculation API on the platform. 34 endpoints covering body composition, energy expenditure, nutrition planning, strength metrics, and training tools — all in one API. ## Why This API? **One call instead of six.** The `/profile` endpoint returns BMI, BMR (compared across three formulas with a recommendation), TDEE at every…
2 subscribers
126 ms avg latency
30 endpoints
The in-depth APIMemo review for this API hasn't been published yet —
the data below comes straight from the public marketplace listing.
Workout and Fitness Calculator endpoints
| Method | Endpoint | Description |
|---|---|---|
| profile | ||
| GET |
full_profile_profile_get /profile |
Single call, complete fitness profile. Returns BMI, BMR (multiple formulas), TDEE, target calories, macros, ideal weight, body fat estimates, FFMI, and water intake. |
| bmi | ||
| GET |
bmi_endpoint_bmi_get /bmi |
|
| bmr | ||
| GET |
bmr_endpoint_bmr_get /bmr |
|
| tdee | ||
| GET |
tdee_endpoint_tdee_get /tdee |
|
| macros | ||
| GET |
macros_endpoint_macros_get /macros |
|
| ideal-weight | ||
| GET |
ideal_weight_endpoint_ideal_weight_get /ideal-weight |
|
| body-fat | ||
| GET |
body_fat_endpoint_body_fat_get /body-fat |
|
| ffmi | ||
| GET |
ffmi_endpoint_ffmi_get /ffmi |
|
| one-rep-max | ||
| GET |
one_rep_max_endpoint_one_rep_max_get /one-rep-max |
Estimate 1RM from a set using 5 established formulas, plus a percentage table. |
| strength-score | ||
| GET |
strength_score_endpoint_strength_score_get /strength-score |
Calculate Wilks, DOTS, and IPF GL scores for powerlifting totals. |
| heart-rate-zones | ||
| GET |
heart_rate_zones_endpoint_heart_rate_zones_get /heart-rate-zones |
Calculate training heart rate zones using max HR and optionally Karvonen method. |
| pace-calculator | ||
| GET |
pace_calculator_pace_calculator_get /pace-calculator |
Calculate running/cycling pace and splits. |
| daily-caloric-needs | ||
| GET |
daily_caloric_needs_endpoint_daily_caloric_needs_get /daily-caloric-needs |
TDEE + goal adjustment in one call with all formulas compared. |
| water-intake | ||
| GET |
water_intake_endpoint_water_intake_get /water-intake |
|
| body-surface-area | ||
| GET |
bsa_endpoint_body_surface_area_get /body-surface-area |
Body Surface Area via Du Bois, Mosteller, Haycock, and Gehan-George formulas. |
| ponderal-index | ||
| GET |
ponderal_index_endpoint_ponderal_index_get /ponderal-index |
|
| waist-to-hip-ratio | ||
| GET |
whr_endpoint_waist_to_hip_ratio_get /waist-to-hip-ratio |
|
| waist-to-height-ratio | ||
| GET |
whtr_endpoint_waist_to_height_ratio_get /waist-to-height-ratio |
|
| lean-body-mass | ||
| GET |
lbm_endpoint_lean_body_mass_get /lean-body-mass |
Lean Body Mass via Boer, Hume, and optionally direct calculation if body fat is provided. |
| body-adiposity-index | ||
| GET |
bai_endpoint_body_adiposity_index_get /body-adiposity-index |
|
| army-body-fat | ||
| GET |
army_body_fat_endpoint_army_body_fat_get /army-body-fat |
US Army body fat estimation (AR 600-9 standard). |
| keto-macros | ||
| GET |
keto_macros_endpoint_keto_macros_get /keto-macros |
Ketogenic diet macro calculator. |
| protein-needs | ||
| GET |
protein_needs_endpoint_protein_needs_get /protein-needs |
Evidence-based daily protein recommendations. |
| fiber-needs | ||
| GET |
fiber_needs_endpoint_fiber_needs_get /fiber-needs |
Recommended daily fiber intake per USDA/IOM guidelines. |
| body-frame-size | ||
| GET |
body_frame_size_endpoint_body_frame_size_get /body-frame-size |
Determine body frame size from height-to-wrist ratio. |
| calorie-burn | ||
| GET |
calorie_burn_endpoint_calorie_burn_get /calorie-burn |
Estimate calories burned using MET values for common activities. |
| blood-sugar-converter | ||
| GET |
blood_sugar_converter_endpoint_blood_sugar_converter_get /blood-sugar-converter |
Convert blood glucose between mmol/L and mg/dL. |
| body-roundness-index | ||
| GET |
bri_endpoint_body_roundness_index_get /body-roundness-index |
Body Roundness Index — estimates body shape and central adiposity. |
| unit-converter | ||
| GET |
unit_converter_endpoint_unit_converter_get /unit-converter |
Convert between common fitness units (weight, height, distance). |
| Other endpoints | ||
| GET |
health_check__get / |
|
Workout and Fitness Calculator pricing
| Plan | Price | Rate limit | Quotas |
|---|---|---|---|
| BASIC | Free | — |
|
| PRO | Free | — |
|
