A five-minute plank burns about 10–22 calories for most adults, depending on body weight and plank style.
55 kg Body
70 kg Body
90 kg Body
Basic Hold
- Forearms under shoulders
- Breathing steady, 10–15 sec sets
- Breaks as needed
Steady Effort
Leg-Lift Plank
- Alternate single-leg lifts
- More core/hip demand
- Keep hips level
Harder Variant
RKC Plank
- Actively “crush” the floor
- Full-body tension
- Shorter bouts, higher strain
High Tension
Calories Burned During A Five-Minute Plank: Realistic Range
Energy use during a plank is modest. Most adults spend about 2.8 METs in a gentle core set that includes a plank. In plain math, calories = MET × body weight (kg) × time (hours). Five minutes equals 0.083 h, so a 70 kg person sees about 2.8 × 70 × 0.083 → near 16 kcal. A lighter body lands closer to 10–14. Heavier bodies land around the high-teens to low-twenties. The range grows when you switch to harder plank styles or longer bouts.
How The Math Works (So You Can Check It)
The MET method is the standard way to translate an activity into calories. One MET is the energy you spend at rest; activities sit above that point. Public references list a value near 2.8 METs for light calisthenics that include the abdominal plank. You multiply that MET by your body weight and your time in hours to get total calories. This convention and the MET bands for exercise intensity are laid out by the CDC, and the activity list with MET values is published in the Adult Compendium. Link to those sources appears later in this guide for easy verification.
Early Table: What A Five-Minute Hold Burns By Body Weight
This table shows estimated calories for a standard forearm hold (MET ≈ 2.8) and a steadier, harder variant like a leg-lift plank (MET ≈ 3.8). Pick the row closest to your scale weight.
| Body Weight | 5-Min Standard Plank | 5-Min Harder Variant |
|---|---|---|
| 50 kg (110 lb) | ≈12 kcal | ≈16 kcal |
| 60 kg (132 lb) | ≈14 kcal | ≈19 kcal |
| 70 kg (154 lb) | ≈16 kcal | ≈22 kcal |
| 80 kg (176 lb) | ≈19 kcal | ≈25 kcal |
| 90 kg (198 lb) | ≈21 kcal | ≈28 kcal |
| 100 kg (220 lb) | ≈23 kcal | ≈32 kcal |
Small burns still matter inside your daily energy budget. Meals, snacks, walks, and short core work all roll up into that number. It gets easier to judge portions once you set your daily calorie needs.
Where The MET Value Comes From
Researchers group activities by energy cost so coaches and clinicians can compare sessions. In the Adult Compendium, light calisthenics that include an abdominal plank carry a MET near 2.8; the same table lists moderate and vigorous body-weight circuits higher on the scale. That spread explains why a slow, steady hold burns less per minute than a high-tension version or a circuit that pairs planks with jumps and burpees. The CDC also lays out what counts as light, moderate, and vigorous by these MET bands, which helps you judge effort level across workouts.
Technique That Boosts Or Blunts Burn
Body tension. A passive hang on the shoulders trims the cost. Pull your ribs slightly down, squeeze glutes and quads, and press the floor. That raises effort without turning the set into a breath-holding contest.
Lever length. Long-lever planks (elbows a touch forward of shoulders) or an RKC-style brace raise demand. Short-lever planks (knees down) reduce it, which is handy when you’re building up time.
Movement. Adding a slow toe tap, shoulder tap, or alternating leg lift nudges the MET upward. The goal is control, not speed.
Set structure. Five minutes can be one long hold or a cluster of short bouts, like 6×30 seconds with rests. Total time drives calories; clusters also keep form crisp.
Form Check For Safe, Steady Effort
Stack points. Elbows under shoulders. Forearms parallel. Neck long, eyes down. Hips in line with ribs and knees.
Brace and breathe. Think “long exhale, light inhale.” A quiet, steady breath keeps pressure in check.
Stop on form loss. If hips sag or your low back talks, end the set, reset, and start a new bout.
How Planks Fit In A Daily Burn
A short core block won’t move the scale alone, yet it stacks nicely with steps, short walks, and brief strength sets. The sum builds your overall activity energy. That daily activity is often the swing factor behind stable body weight across the week. A five-minute plank block, a brisk 10-minute walk, and a few push-ups can rival a longer single session in total burn without a big time block.
Compare Planks With Other Common Moves
Body-weight circuits clock higher METs because legs drive the oxygen cost. Rowers, bikes, and jump rope also sit higher. If your goal is pure calorie burn in a short window, rotate planks with moves that recruit bigger muscle groups. If the goal is spine-friendly core strength, keep the plank front and center and let the burn be a bonus metric.
Mid-Article Sources You Can Check
You can read the CDC’s plain description of MET intensity bands and how they relate to workouts in its guidance on METs. The activity list and MET values used by researchers are published in the Compendium of Physical Activities, which also provides a downloadable table used in clinicians’ calculators.
Second Table: Variations, METs, And A Sample Burn
Here’s a quick map of plank styles, the MET value used for estimates, and a sample five-minute burn for a 70 kg person.
| Plank Style | MET Used | 5-Min Burn @ 70 kg |
|---|---|---|
| Forearm, steady | ≈2.8 | ≈16 kcal |
| With leg lifts | ≈3.8 | ≈22 kcal |
| RKC/high tension | ≈4.5 | ≈26 kcal |
Make Five Minutes Count
Simple Progression Plan
Week 1–2: 6×20–30 sec holds, 20–30 sec rest. Keep a smooth breath and flat line from head to heels.
Week 3–4: 4×40–45 sec holds, 20 sec rest. Add one small form cue each set: pack shoulders, squeeze glutes, reach through heels.
Week 5–6: 3×60 sec holds with a slow leg lift every 10–15 sec. Keep hips level.
When To Pick Another Core Move
If shoulders flare up or wrists ache, swap in dead bug or side-lying anti-rotation work. You’ll keep trunk training on the calendar while things calm down.
Frequently Asked Follow-Ups (No FAQ Box)
Is A Long Single Hold Better Than Intervals?
Both reach the same five-minute total, so calories come out similar. Intervals tend to protect form and let you add tension, which can raise the per-minute burn slightly.
Does A Sweatier Plank Burn More?
Heat and heart rate don’t always track energy cost. What matters here is muscle recruitment and time under tension. A slow, strict set beats a loose, long hang.
What About Smartwatch Numbers?
Wrist sensors guess at energy from heart rate. Static core work can confuse those models. The MET approach gives you a repeatable baseline that you can cross-check across days.
Build A Week That Keeps You Moving
Short bouts work best when they’re easy to repeat. Pair the plank with a brisk walk, a few squats, and a simple upper-body move. That small cluster hits posture, legs, and lungs while keeping setup time close to zero.
Wrap-Up: What To Do Next
Pick the body-weight row in the table that matches you and log one five-minute block today. Track how many sets it takes to reach the total. Nudge the tension next time, swap in a variant the week after, and rotate in a higher-MET move for extra burn. If you want a fuller walkthrough of weight control mechanics, try our calorie deficit guide.