For a 1.5 inch steak, grill about 4–5 minutes per side on high heat for medium, adjusting for grill heat, steak type, and doneness.
Ask any backyard griller about timing and you will hear a wide range of answers. Thick steaks behave differently from thinner ones, and a 1.5 inch cut sits in that sweet spot where the surface can char nicely while the center stays juicy.
If you have ever wondered, “how long to grill a 1.5 inch steak?” and ended up with meat that was grey, dry, or still cold inside, you are not alone. Time on the grill is only part of the story; grill temperature, steak type, and resting all matter as well.
Grill Time Overview For 1.5 Inch Steaks
Most 1.5 inch steaks reach a medium level around the five to nine minute mark on a hot grill. Thicker bone, colder meat, wind, and grill style shift that window, so treat any chart as a starting point rather than a rigid rule.
The table below gives ballpark grill times for a 1.5 inch steak cooked to medium rare or medium on common backyard setups. These ranges assume steaks that start at fridge temperature, a properly preheated grill, and a quick sear on each side.
| Grill Setup | Time For 1.5″ Steak | Notes For Medium Doneness |
|---|---|---|
| Gas Grill, High Heat (230–260 °C) | 4–5 minutes per side | Lid closed, strong sear, rotate once per side for even browning |
| Gas Grill, Medium-High Heat (205–230 °C) | 5–7 minutes per side | Good when you prefer a bit more control and gentler crust |
| Charcoal, Direct Over Hot Coals | 4–6 minutes per side | Watch closely, grate tends to run very hot near fresh coals |
| Charcoal, Two-Zone Fire | 3–4 minutes sear, then 3–6 minutes indirect | Sear over coals, finish on the cool side until internal temp hits target |
| Pellet Grill At 230 °C | 10–14 minutes total | Flip once halfway through; browning is gentler than on direct flame |
| Cast Iron Grill Pan On Stove | 4–6 minutes per side | Preheat pan until faint wisps of smoke rise before adding the steak |
| Reverse Sear (Oven Then Grill) | 20–30 minutes in oven, plus 1–2 minutes per side on grill | Slowly warm to just below target temp, then finish with a hot, fast sear |
These times land most steaks in the medium rare to medium range when you pair them with proper resting. A digital thermometer removes the guesswork, so use the clock to guide you and the thermometer to confirm the result.
How Long To Grill A 1.5 Inch Steak? Time Ranges That Work
When cooks ask about grilling a 1.5 inch steak, they usually want clear numbers they can count on. On a hot gas or charcoal grill, medium rare often falls around four to six minutes per side, while medium lands closer to five to eight minutes per side.
Think of these ranges as a baseline. If your steak is marbled ribeye, it can handle a slightly longer sear and still stay tender. Lean cuts like sirloin or strip benefit from a touch less time over direct flame and a little more time resting off the heat.
Grilling A 1.5 Inch Steak: Heat, Doneness, And Grill Type
Grill heat and style change how the clock behaves. A ripping hot cast iron grate gives you grill marks within a minute, while a milder pellet grill browns more slowly. The goal stays the same in every case: a browned exterior and a center that reaches your chosen doneness without drying out.
Typical Internal Temperature Targets
Instead of chasing an exact minute count, match your cooking time with internal temperature goals. For many steak lovers, medium rare sits around 54–57 °C in the center after resting. Medium leans closer to 60–63 °C, and medium well creeps into the upper sixties.
Food safety agencies still advise that whole cuts of beef rest at 63 °C after cooking for a few minutes. You can check the current guidance on the FoodSafety.gov safe minimum internal temperature chart, which lists 63 °C with a short rest for beef steaks and roasts.
How Grill Type Changes Timing
A gas grill with multiple burners makes it simple to create zones. Turn one burner to high and another to medium, and you can sear over the hot side, then slide the steak to the cooler area to coast up to temperature without burning the surface.
Charcoal grills bring a bit more personality. Place the coals in a wide mound on one side, leave the other side bare, and you have a natural direct and indirect setup. Bank the steak over the hottest section for searing, then shift it to the empty side, close the lid, and watch the thermometer climb.
Pellet grills heat by convection, so the hot air inside the cooker surrounds the steak rather than flames licking the grate. That style gives even doneness through a 1.5 inch steak, though you may add a brief sear over a cast iron plate if you want a deeper crust.
Factors That Change Grill Time
Even with charts and thermometers, every steak throws a few variables at you. Thickness is only one of them, and a 1.5 inch measurement still leaves plenty of room for variation from cut to cut.
Steak Cut And Marbling
Ribeye, strip, tenderloin, and sirloin all reach medium at slightly different speeds. Cuts with more fat marbling, such as ribeye, can sit over high heat a bit longer without drying out, because the fat bastes the meat as it renders.
Starting Temperature And Grill Weather
A steak that goes on the grate straight from a very cold fridge takes longer to reach the same internal temperature. Letting the steak sit at room temperature for 20–30 minutes shortens the time on the grill and helps it cook more evenly.
Bone-In Versus Boneless Steaks
A bone slows heat a little, so a bone-in rib steak or porterhouse may need an extra minute or two on the grill compared with a boneless strip of the same thickness. Place the bone side closer to the heat during the first part of cooking so the meat near the bone does not lag behind.
Step-By-Step Method For 1.5 Inch Steaks
Once you understand the variables, you can follow a routine and adapt it to your grill. As you repeat this method, your feel for “how long to grill a 1.5 inch steak?” grows sharper every time.
1. Season And Prep The Steak
Pat the steak dry, then season generously with salt and freshly ground pepper on all sides. If you like, add a light coating of oil with a high smoke point so the surface browns evenly.
Set the steak on a plate while you preheat the grill. This short rest brings the chill off the meat so the center cooks more evenly once it hits the grate.
2. Preheat The Grill Properly
For gas grills, set at least one burner to high and heat with the lid closed for 10–15 minutes until the grates are very hot. For charcoal, light a full chimney, pour the coals into one half of the grill, and let them ash over before you start cooking.
A cast iron grill pan should preheat over medium high heat until a drop of water skitters across the surface. Rushing this step leaves you with weak grill marks and longer total cooking time.
3. Sear, Flip, And Manage Hot Spots
Lay the steak on the hottest part of the grill. Do not move it for the first two minutes, which lets a good crust form. Then give it a quarter turn for crosshatch marks, if you like, and cook another two minutes.
4. Finish Over Indirect Heat If Needed
If the outside color looks deep enough but the center still runs cooler than your target, move the steak to a cooler zone. Close the lid and let it coast upward, checking every two to three minutes until the thermometer reads just below the final temperature you want.
This gentle finish keeps the surface from burning while the center warms through. It is especially handy for large ribeye or porterhouse steaks that have thick sections near the bone.
5. Rest, Slice, And Serve
Transfer the steak to a plate or board and tent it loosely with foil. Let it rest for at least five minutes so juices redistribute. During this time, the internal temperature often rises by 3–5 °C.
Slice across the grain into thick strips and spoon any juices from the cutting board over the top. That simple step brings flavor and moisture back over the meat before you carry the plate to the table.
Using Internal Temperature Instead Of Only Time
Clocks help you stay in the right range, but the thermometer gives you the truth inside the steak. A small digital probe pays for itself quickly, because it saves steaks that might otherwise go past their best point.
Internal Temperature Guide For 1.5 Inch Steaks
The table below lines up common doneness levels with target internal temperatures after resting. Pull the steak just a couple of degrees lower on the grill, since carryover heat finishes the job while the meat sits.
| Doneness | Pull From Grill | After Rest Target |
|---|---|---|
| Rare | 48–50 °C | 50–52 °C, cool red center |
| Medium Rare | 52–54 °C | 54–57 °C, warm red to pink center |
| Medium | 57–59 °C | 60–63 °C, pink center |
| Medium Well | 62–64 °C | 65–68 °C, slight hint of pink |
| Well Done | 69 °C and above | 71 °C and above, brown throughout |
For food safety, agencies such as the USDA recommend that whole cuts of beef rest at 63 °C for several minutes. That guidance sits near the medium range on most steak charts, so you can still have a tender, juicy steak while following safety advice.
Common Mistakes With 1.5 Inch Steaks
Steaks of this thickness are forgiving, yet a few missteps show up again and again. Avoiding them goes a long way toward reliable results every time you fire up the grill.
Skipping The Preheat
If the grill or grill pan is not fully hot before the steak goes on, you miss the deep browning that builds flavor. The steak then spends more time on the grates, which dries the outer layers before the center warms through.
Relying Only On Time
Grill timers help, but no two grills ever run exactly the same. A steak that hits medium rare at six minutes per side on one gas grill might take nine minutes on another model that runs cooler.
Cutting Too Soon
Carving into the steak the moment it comes off the grill lets juices spill onto the board instead of staying in the meat. Those juices never make it to your plate.
Once you get used to watching color and checking temperature, these habits turn grilling a 1.5 inch steak into a repeatable skill.