Mehan Strength
VBT Chart

VBT Calculator

Convert bar velocity, %1RM, and estimate today’s 1RM.

Squat · Bench · Deadlift

Inputs

Updates instantly
Lift
Convert

Typical bar speed at a true 1RM.

m/s
Defaults to 0.30 m/s. Changing it shifts the reference curve.
m/s
0.30 m/s1.25 m/s

Weight moved at this velocity.

lb

Your existing 1RM estimate.

lb

Lock one value, then change another to calculate the third.

Weight unit

Output

Estimated intensity 64.0% of one-rep max
%1RM band 60–70%
Estimated daily 1RM — Add weight lifted
Vs calculated 1RM — Add calculated 1RM

Load–velocity curve

Velocity (m/s) by %1RM
Squat Bench / deadlift
Velocity and percentage of one-rep max Squat velocity curve compared with the bench press and deadlift curve.

General reference based on the supplied VBT table. Individual load–velocity profiles vary.