Calculator
Deadlift Calculator
Quick answer
Enter the load and the reps you pulled. Conventional and sumo default to Brzycki. Trap bar defaults to Epley. The page estimates a one-rep max and builds a deadlift percentage chart from that number.
A high-rep pull tells you about grip and position more than it tells you about a max. Keep the stance, the grip, and the lockout the same as the day you will use the number.
Need a 1RM first? Use the one rep max calculator →
Estimates only. Testing a true max carries risk; use a spotter or safety arms. Not medical advice.
Brzycki is the default. Deadlift reps over 10 are a poor stand-in for a max pull.
Brzycki
Compare formulas
| Formula | 1RM |
|---|---|
| Epley | — |
| Brzycki | — |
| Lombardi | — |
| Lander | — |
| Mayhew | — |
| O'Conner | — |
| Wathen | — |
Deadlift percentage chart
Loads round to 5 lb. Reps are the inverse of Brzycki.
| % of 1RM | Weight | Approx. reps |
|---|---|---|
| 100% | — | — |
| 95% | — | — |
| 90% | — | — |
| 85% | — | — |
| 80% | — | — |
| 75% | — | — |
| 70% | — | — |
| 65% | — | — |
| 60% | — | — |
| 55% | — | — |
| 50% | — | — |
Deadlift chart
| Reps | Estimated load |
|---|---|
| 1RM | — |
| 2RM | — |
| 3RM | — |
| 4RM | — |
| 5RM | — |
| 6RM | — |
| 7RM | — |
| 8RM | — |
| 9RM | — |
| 10RM | — |
| 11RM | — |
| 12RM | — |
Warm-up sets
Enter a weight to build a warm-up toward that work set.
History
Saved in this browser only. Nothing is uploaded.
No logged sets yet. Use Log after a result.
On this page
Estimating a squat or another lift? Use the one rep max calculator →
How does the deadlift calculator work?
Brzycki's equation is 1RM = weight × 36 / (37 − reps). Conventional and sumo start there because long sets of pulls are a poor stand-in for a single. Trap bar starts on Epley, weight × (1 + reps / 30), because that variation is not the bar the Brzycki default was chosen for. You can switch any of them to the average of all seven.
One rep returns the weight you typed. The range under the result is the lowest and highest of the seven formulas. LeSuer and colleagues found that the equations they tested underestimated the deadlift in untrained students. A formula can sit under a real single, or over one if the set was ugly. Leave a margin the first time you try anything near it.
Worked example
Example only: 180 kg for 3 reps, conventional. Brzycki is 180 × 36 / (37 − 3), about 190.6 kg. Epley on the same set is 180 × (1 + 3 / 30), which is 198 kg. The chart uses whichever formula you left selected. Do not pick the larger one because it looks better.
The same 180 kg for 3 on a sumo stance is not a conventional max. Switch the chip. A trap-bar pull with high handles is a shorter lift and is often heavier. Log the handle height. A Romanian deadlift is a hinge, not this page. It lives on the one rep max calculator with the other back lifts.
Programming from your max
Heavy pulls are usually a smaller percent of a max than people expect, because a deadlift single is expensive. Use the chart for the loads you can lock out clean, then round to real plates with the plate calculator. If you run 5/3/1, take 90 percent first on the training max calculator. Those week percents are of the training max, not of this estimate.
How to increase your deadlift covers stance, dead-stop reps, and the accessories that earn a place. Progressive overload is the rule for the small plate after the reps are actually there.
Common mistakes
Counting a hitch, a bounce off the floor, or a pull that never locked out. The formula cannot see the rep. Straps, a mixed grip, and a belt change what you can hold. Keep those the same as the day you will use the number, or the chart is about a different pull.
Using a set of ten or more because it was the only set you wrote down. Grip and back position quit before the formula does. A set of 3 to 5 that still looks like your pull is a tighter estimate.
Standards
This page will not tell you that a double-bodyweight deadlift is intermediate. Meet results are people who signed up to pull under rules. They are not the commercial-gym average, and this site will not invent that average. Divide the estimate by your body weight if you want a ratio, on the strength level calculator. Read deadlift standards before you decide the number means a rank.
FAQ
How do I use the deadlift calculator?
Enter the weight you pulled and the reps. Conventional and sumo default to Brzycki. Trap bar defaults to Epley. The chart turns the estimate into training percents.
Why is Brzycki the default for conventional and sumo?
Long sets of deadlifts wander off what a max pull feels like. Brzycki is the default here, and the page asks you to stay at 10 reps or fewer. You can still switch to the average of all seven formulas.
How many reps should I enter?
A strict set of about 3–5 is the useful range. Ten reps is already a lot of pulling. One rep returns the weight you typed.
Do sumo and conventional share a max?
No. Switch the chip. A sumo max is not a conventional max, and a trap-bar pull is usually heavier because the load sits at your sides.
Do straps or a hitch count?
They change the lift. If you used straps, a belt, or a hitch, the estimate is for that version. Do not compare it with a locked-out pull you would accept on a strict day.