One Rep Max Calculator API

Health and Fitness Freemium View on RapidAPI ↗

Calculate One Rep Max (1RM) strength estimates for weightlifting using industry-standard formulas (Epley, Brzycki, Lander, Mayhew, O’Conner). Supports kg/lb, workload tables, and multi-tier pricing for fitness and coaching apps.

3 endpoints
The in-depth APIMemo review for this API hasn't been published yet — the data below comes straight from the public marketplace listing.

One Rep Max Calculator API endpoints

MethodEndpointDescription
GET /v1/one_rm
/v1/one_rm 		Calculate the 1RM for the given weight and reps
GET /v1/ping
/v1/ping 		Check if the API is responding
GET /v1/openapi.json
/v1/openapi.json 		Get the openapi spec for this API

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