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Lifty Fifty Training Library

Training tools.

Convert a load, reference effort or compare a lift. Practical tools for session preparation and training review.

Explore Lifty Fifty Training Library

Use a tool

Three tools to use here, without an account. Screenshots show their counterparts in Lifty Fifty.

Lifty Fifty converter showing kilograms converted to pounds.
Free to use

KG / LB converter

Convert between kilograms and pounds, with a reference table of common training loads.

Open converter
Lifty Fifty effort scale with RPE and RIR reference rows.
Free to use

RPE / RIR chart

Reference perceived effort and the estimated repetitions remaining at the end of a set.

View effort chart
Lifty Fifty Strength Levels comparison controls.
Free to use

Strength Levels

Compare a squat, bench press, deadlift or total with powerlifting competition data by age and bodyweight category.

Compare a lift

More tools in Lifty Fifty

Product screenshots from the app. Example values illustrate each tool.

Lifty Fifty Plate Pilot showing plates loaded on a bar.
In Lifty Fifty

Plate Pilot

Calculate plate combinations for a target load, using the bar and plates available at your training location.

Lifty Fifty Rep Max Calculator.
In Lifty Fifty

Rep Max / Load Calculator

Estimate a one-repetition maximum from a completed set and reference loads for other rep counts.

Lifty Fifty RPE and RIR Calculator.
In Lifty Fifty

RPE / RIR Calculator

Estimate a working load from a one-repetition maximum, target repetitions and effort.