Bench Press Max Calculator
Estimate your bench press one rep max and training percentages.
Your lift
| % | Reps | Weight |
|---|---|---|
| 100% | 1 | 115.5 kg |
| 95% | 2 | 109.7 kg |
| 90% | 4 | 104 kg |
| 85% | 6 | 98.2 kg |
| 80% | 8 | 92.4 kg |
| 75% | 10 | 86.6 kg |
| 70% | 12 | 80.9 kg |
Your bench press one rep max is the most weight you can press for a single rep. It is the number lifters love to know, and more usefully, it sets the loads for every bench workout you program.
Estimate it safely
Testing a true max on the bench is risky, especially without a spotter, because failure happens with the bar over your chest. Instead, take a weight you can press for a few clean reps, enter it here, and let the formulas estimate your max. The projection is most accurate with sets of ten reps or fewer.
Programming your bench
Once you know your estimated max, you can train with intention:
- Strength: 85 to 95 percent for 1 to 3 reps.
- Muscle: 67 to 80 percent for 6 to 12 reps.
- Endurance: below 67 percent for higher reps.
The percentage table on this page turns your max into exact working weights.
How to add weight to the bar
A bigger bench comes from progressive overload, benching two to three times a week, and strong supporting muscles: triceps, shoulders, and back. Fuel it with enough protein and real recovery. SmaartCoach programs the sets, loads, and progression, then coaches you through each session.
Frequently asked questions
How do I calculate my bench press max?
Enter a weight you benched and the number of clean reps you got with it. The calculator projects your one rep max using proven formulas. It is most accurate with sets of ten reps or fewer.
Is it safe to test my true bench max?
A true one rep max on the bench carries real injury risk and should only be attempted with a spotter and safety arms. Estimating from a submaximal set is much safer and nearly as useful.
What percentage of my max should I train at?
For strength, work around 80 to 90 percent for low reps. For muscle growth, 67 to 80 percent for moderate reps. The percentage table on this page gives the exact loads.
How do I increase my bench press?
Train the bench two to three times a week with progressive overload, strengthen your triceps and shoulders, eat enough protein, and recover well. Strength builds over months of consistency.
Sources
Reviewed against these authoritative references. Last updated August 2026.
- MedlinePlus, U.S. National Library of Medicine. Exercise and Physical Fitness
- U.S. Department of Health and Human Services. Physical Activity Guidelines for Americans
- Journal of the International Society of Sports Nutrition. ISSN position stand: protein and exercise
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