Free ratio calculator

Box Squat to Back Squat Ratio Calculator

Enter a box squat 1RM and Trainnode estimates a balanced back squat target from the same calculator data used on the free strength ratio calculator.

Quick answer

A balanced Back Squat is about 95% of Box Squat.

Box Squat example
100 kg
Back Squat target
95 kg

Because both lifts are in the squat pattern family, this is mostly a specificity and carryover check. In reverse, Box Squat is about 105% of Back Squat. Treat the number as a coaching guideline and use Trainnode's 10% tolerance band to flag lifts that are meaningfully out of line.

Formula

Back Squat 1RM / Box Squat 1RM. Divide Back Squat 1RM by Box Squat 1RM; Trainnode uses 95% as the balanced target for this page.

How to use it

Use this when box squats are programmed as the main squat variation.

Calculator coverage

Trainnode's free calculator supports 25 common barbell, dumbbell, machine, and weighted bodyweight lifts.

Programming read

Box Squat to Back Squat: same-pattern carryover

Back Squat will usually sit below Box Squat in a balanced profile. Since both lifts are squat pattern movements, use this ratio to judge whether Box Squat is carrying over to Back Squat, or whether the lifter needs more specific practice, setup work, or loading exposure on Back Squat.

Interactive

Build your own strength ratio profile

This calculator is preconfigured for Box Squat to Back Squat. You can switch anchor lifts, add more supported exercises, change units, or move into bodyweight standards without leaving the page. Need to estimate your 1RM first?

Basis
Units

Enter what a client actually lifts (optional) to see whether each lift is balanced, over- or under-developed against the ±10% band. The basis selector adjusts expected targets by movement pattern.

Lifts (2)
Expected vs anchorBox Squat = 100 kg
Box SquatAnchor
Anchor lift
100kg
Back SquatTarget
95% of Box Squat
95kg

Every lift supported by the free calculator

Trainnode keeps these pages tied to the same supported lift set as the public calculator, so every ratio page reflects what the tool can actually calculate.

Squat pattern

  • Back Squat100%
  • Front Squat85%
  • Box Squat105%
  • Hack Squat140%
  • Bulgarian Split Squat45%
  • Leg Press250%

Hip hinge

  • Deadlift125%
  • Sumo Deadlift125%
  • Trap-Bar Deadlift130%
  • Romanian Deadlift95%
  • Hip Thrust150%
  • Good Morning60%

Horizontal push

  • Bench Press75%
  • Incline Bench Press67%
  • Close-Grip Bench Press70%
  • Dumbbell Bench Press60%
  • Weighted Dip45%

Vertical push

  • Overhead Press50%
  • Push Press62%
  • Seated DB Shoulder Press40%

Horizontal pull

  • Barbell Row66%
  • Pendlay Row60%

Vertical pull

  • Weighted Pull-Up40%
  • Weighted Chin-Up45%
  • Lat Pulldown55%

Box Squat to Back Squat FAQ

What is a good box squat to back squat ratio?
A useful balanced target is Back Squat at about 95% of Box Squat. Both lifts sit in the squat pattern pattern, so this is mainly a same-family strength check. Use it as a starting point, then allow for leverage, technique, and training history.
How do you calculate the box squat to back squat ratio?
Divide Back Squat 1RM by Box Squat 1RM. On this page, Box Squat is preselected as the anchor and Back Squat is highlighted as the target.
What should a coach do if Back Squat is below target?
Treat it as a programming clue, not a diagnosis. If Back Squat trails the expected target from Box Squat, add more specific exposure to Back Squat, review technique, and check whether fatigue or training history explains the gap.
David Meijer, coach and co-founder of Trainnode
David Meijer
Coach · Co-founder

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