Is a Cross Trainer Good for Weight Loss? Real Calorie Numbers

Yes, a cross trainer is good for weight loss, with two conditions attached. You have to work at a real effort, and you have to keep eating less than you burn. At a vigorous pace it burns about the same as running at 5 to 6 mph, roughly 315 kcal in 30 minutes for a 70kg person, and your feet never leave the pedals, so there's no impact to wreck your knees. But the machine doesn't cause weight loss by itself; a calorie deficit does, and the cross trainer is one of the easiest ways to widen it week after week.

How many calories does a cross trainer burn?

The most useful numbers come from the Compendium of Physical Activities, the research database exercise scientists use to estimate energy cost. It lists the elliptical trainer at 5.0 METs for moderate effort (code 02048) and 9.0 METs for vigorous effort (code 02049). One MET is roughly what you burn sitting still, so vigorous elliptical work costs about nine times your resting rate.

To turn METs into calories, use this:

kcal = MET x body weight (kg) x hours

So a 70kg person doing 30 minutes (0.5 hours) at vigorous effort burns 9.0 x 70 x 0.5 = 315 kcal. Here's how that compares with other cardio, using values from the same Compendium:

Activity (Compendium code)	MET	70kg, 30 min	90kg, 30 min
Elliptical, moderate (02048)	5.0	175 kcal	225 kcal
Elliptical, vigorous (02049)	9.0	315 kcal	405 kcal
Running, 5 mph / 12 min mile (12030)	8.5	298 kcal	383 kcal
Running, 6 mph / 10 min mile (12050)	9.3	326 kcal	419 kcal
Stationary bike, 101 to 125 watts (01224)	6.8	238 kcal	306 kcal
Rowing machine, general vigorous (02070)	7.3	256 kcal	329 kcal

Two things jump out. Hard elliptical work lands between a 12 minute mile and a 10 minute mile jog, which is a lot better than its reputation as the "easy" machine suggests. And body weight matters a great deal: the 90kg person burns about 29% more for an identical session, which is why heavier beginners often see faster early results.

The catch is the gap between the moderate and vigorous rows. Pedalling along at 5.0 METs while scrolling your phone burns barely more than half of a properly hard session. Rowing and cycling both climb higher than the elliptical if you push big wattage (the Compendium has stationary rowing at 11.0 METs for 150 to 199 watts), so the cross trainer isn't the top calorie burner on paper. Its strength is that you can sustain a high effort for longer without your joints complaining. For a fuller head to head, see our rowing machine vs cross trainer comparison.

How often and how long?

The NHS asks adults to do at least 150 minutes of moderate activity or 75 minutes of vigorous activity a week, plus strength work on two days. That's the health baseline. For weight loss you'll probably need more.

The American College of Sports Medicine's position stand on physical activity for weight loss found that 150 to 250 minutes of moderate activity a week produces only modest weight loss on its own; clinically meaningful loss showed up above 250 minutes a week, or when exercise sat alongside a moderate diet. In practice that means four or five sessions of 40 to 50 minutes, or a mix of shorter hard sessions and longer easy ones.

Do the maths on a realistic week. Suppose an 80kg person does three 30 minute vigorous sessions and two 45 minute moderate ones: that's 1,080 kcal from the hard sessions plus 600 kcal from the easy ones, about 1,680 kcal a week. Useful, but it's roughly a single takeaway and a few drinks. Exercise widens the deficit; it can't outrun a diet that's drifting the other way.

A 4-week cross trainer plan for weight loss

This plan assumes you can already manage 20 minutes of easy pedalling. Use a 1 to 10 effort scale: 5 is a pace where you can talk in sentences, 8 is a few words at a time, 9 is close to flat out. Every session starts with 5 minutes easy and ends with 5 minutes easy, which aren't counted below.

Week	Session A (intervals)	Session B (steady)	Session C (mixed)	Weekly total
1	8 x 30s at effort 8, 90s at effort 4	25 min at effort 5 to 6	20 min steady, last 5 min reverse stride	About 105 min
2	10 x 30s at effort 8, 90s at effort 4	30 min at effort 6	25 min steady with 4 x 1 min hill climbs	About 125 min
3	6 x 1 min at effort 8 to 9, 1 min at effort 4	35 min at effort 6	30 min, alternate 5 min forward and 5 min reverse	About 145 min
4	8 x 1 min at effort 8 to 9, 1 min at effort 4, plus a 4th steady 30 min session	40 min at effort 6	30 min with 5 x 2 min at effort 7	About 185 min

For intervals, raise the resistance rather than just spinning your legs faster; a high cadence on a low setting feels busy but burns less than you'd think. If a session leaves you wrecked for two days, drop back a week. Our cross trainer workout guide has five more sessions with exact timings once this block is done.

Use your arms and the resistance

The moving handles are there to do work, not to hold you up. Push and pull them actively, and you'll bring your chest, back, shoulders and arms into the session; more working muscle at the same leg effort tends to mean a higher heart rate. Our breakdown of cross trainer muscles worked explains which handle action loads which muscles.

Resistance is the main dial. As a rule of thumb, if you can hold a cadence above about 70 rpm with no effort at all, the setting is too low for anything but a warm up. Most home machines give you 8 to 32 levels, and the useful range for weight-loss intervals is usually the top half.

Incline and stride length

Some cross trainers have a motorised ramp, and raising it shifts the work towards your glutes and hamstrings and makes the same resistance feel harder. On machines without one, reverse pedalling gives a similar change of emphasis. Stride matters too: a short 30 to 35cm stride on a cheap compact model feels choppy for anyone over about 5ft 8in, and choppy strides are hard to sustain at effort 8. The 42cm stride on the Aeriflo M100 suits most people under about 5ft 10in, while the JLL CT300 is a stripped-back option with a small footprint if floor space is the bigger problem.

Common mistakes that stall weight loss

Leaning on the handles. Gripping the fixed handlebars and letting your arms take your body weight unloads your legs. Stand tall with your weight over your feet; if you need the fixed bars to stay upright, the resistance is too high for that cadence.

Living on a low resistance setting. Plenty of people pedal at level 3 for 45 minutes and wonder why nothing changes. That's closer to the 5.0 MET row in the table than the 9.0 one.

Trusting the console calories. Many consoles assume a default body weight unless you enter yours, and none of them know you were leaning on the frame. Use the figure to compare your own sessions over time, never as a licence to eat. Our explainer on active calories vs total calories covers why fitness tech numbers often run high.

Doing the same session every day. Your body gets more efficient at a repeated effort. Rotate intervals, steady work and hills as in the plan above.

Skipping strength training. The ACSM paper found resistance training doesn't add much to weight loss directly, but it may help preserve lean mass and increase fat loss. Two short strength sessions a week alongside your cardio covers the NHS guideline too.

The diet reality

Weight loss happens when, across weeks, you eat fewer calories than you use. A cross trainer adds a few hundred calories a session to the "use" side; the "eat" side is where most of the deficit usually comes from. A modest daily cut of around 300 to 500 kcal, plus four or five cross trainer sessions a week, is a pace most people can keep up without feeling miserable.

Expect hunger to rise a little when you start training more, and plan for it with higher-protein meals rather than post-workout treats. Weigh yourself under the same conditions once or twice a week and look at the monthly trend, along with a tape measure round your waist, because daily scale readings swing with water and food.

If you're still choosing a machine, our best cross trainer UK roundup compares stride length, flywheel weight and resistance range across the models worth buying, and the cross trainers hub lists every review we've published.

Recommended reads

• Cross trainer workout: 5 sessions for beginners and beyond
• Cross trainer muscles worked
• Rowing machine vs cross trainer
• Best cross trainer UK
• Aeriflo M100 cross trainer review