Women’s work khaki pants should sit securely at your natural waist, skim your hips without pulling, allow a full squat and reach, and end at your shoe without pooling.
A khaki that fits while you stand at the mirror can still bind the moment you kneel on a truck bumper. Work pants earn their keep in motion, so the measurements below are only the starting line — the sit test, the bend test, and the reach test decide whether a pair actually belongs on the job. Get the waist, hip, and inseam numbers right first, and the rest gets a lot easier.
How Do You Take the Right Measurements?
Measure over your undergarments with a cloth tape, and take the hip number at the fullest part of your seat — roughly 8 inches below the natural waist, per Carhartt’s sizing guidance.
Finding the natural waist takes ten seconds: bend sideways and note where your body creases. That bend point is your waistline, not the spot where your favorite jeans currently rest. Keep the tape snug but not digging in, and have someone else read the hip number if you can — twisting to see the tape skews the result.
- Waist: at the natural bend, tape level all the way around.
- Hip: fullest seat area, about 8 inches down.
- Inseam: crotch seam to hem on a pair you already own that fits.
Write all three numbers down before you open any size chart. Guessing from your jeans size is where most bad orders start.
Should You Buy by Waist, Hip, or Nominal Size?
Buy by waist and hip measurements, never by the number on the tag alone — and when the two point to different sizes, Dickies’ women’s fit guidance says to go with the hip measurement for a non-binding fit.
Brands size their numeric ranges differently, so a 6 in one khaki is not a 6 in another. Carhartt’s women’s line, for example, runs sizes 0 through 26, with waist measurements from 25–26 inches at size 0 up to 48–49¾ inches at size 26. Its low-hip range runs from 34–35 inches through 56–57½ inches. Between sizes, round up.
The reasoning is simple: a waistband that is slightly loose can be cinched with a belt, but a hip that is too tight restricts your stride and strains the seams every time you crouch. Carhartt describes its work-pant fit as closest through the hip and thigh — close to the body, but never too tight for work.
| Size Label | Natural Waist | Hip |
|---|---|---|
| XS (size 2) | 27 in | 36 in |
| S (sizes 4–6) | 28–29 in | 37–38 in |
| M (sizes 8–10) | 30–31 in | 39–40 in |
| L (sizes 12–14) | 32–33½ in | 41–42½ in |
| XL (sizes 16–18) | 35–36¾ in | 44–45¾ in |
| 2XL (sizes 20–22) | 38½–40½ in | 47½–49½ in |
| 3XL (sizes 24–26) | 42½–49¾ in | 51½–57½ in |
Treat that chart as a starting reference and confirm against the specific product page you are ordering. Availability, colors, and size runs change, and a generic chart will not tell you how one particular cut is drafted.
What Inseam Length Do You Actually Need?
Inseam is measured from the crotch seam to the hem, and you should use the garment’s stated inseam rather than your height — brands define Short, Regular, and Tall differently.
Carhartt lists Short at 29–30 inches, Regular at 31–32 inches, and Tall at 33–34 inches, and advises choosing the longer size when your measurement lands between two ranges. Dickies’ Women’s 874 work pants specify Short 30, Regular 32, and Tall 34 inches. Those are not the same numbers, which is exactly why you check the page for the pair in your cart.
Height labels are a rough starting point only. Carhartt maps Short to roughly 5’0″–5’3″, Regular to 5’4″–5’7″, and Tall to 5’8″ and up. Nike notes that short bottoms generally suit women 5’4″ and shorter with an inseam about 2 inches shorter than standard, while tall bottoms target 5’8″–6’0″ with an inseam about 2 inches longer and a rise ½ inch longer.
Then check the hem in the shoes you actually work in. A work fit reaches the shoe without pooling on the ground or touching it. Boots with a defined heel, different rises, and bulky protective gear all shift where the hem lands — and a hem long enough to catch underfoot is a trip hazard, while one short enough to ride up when you crouch leaves your socks and ankles exposed.
Fabric matters too. Stretch canvas eases slightly with wear, so it can start a touch snug. Rigid work twill does not give, so leave room for movement from day one. If you want to compare specific cuts before committing, these tested work khaki pants picks cover fit notes across several brands.
How Do You Test the Fit Before You Commit?
Test the fit while moving, not while standing still — sit, bend, kneel, climb, and reach before you cut the tags. Full sizing details for Carhartt’s women’s work pants are listed on the product page, including the measurement ranges above.
- Squat deep and check the seat — no pull across the back pockets, no gapping waistband.
- Sit down and lean forward. The waistband should not dig into your stomach.
- Kneel on one knee, as if tying a boot. Watch for tightness across the thigh.
- Reach overhead and climb a step. The hem should clear your shoe without dragging.
- Walk a full lap. Any hem contact with the ground means it is too long.
The pants should feel close through the hip and thigh while still letting you move without thinking about them. If you are holding your breath to bend, the size is wrong — not the fabric, and not you.
Common Questions
Can I just order my usual jeans size?
Not reliably. Work khakis are drafted with more room through the hip and thigh than fashion denim, and every brand runs its own numeric scale. A 6 in one label is not a 6 in another. Take your waist, hip, and inseam measurements and match them to that specific product’s size chart before ordering.
What if my waist and hip land in different sizes?
Go with the hip size. A waistband that runs slightly large can be cinched with a belt, but a hip that is too snug restricts your stride and puts stress on the seams when you crouch. Dickies gives this same guidance in its women’s fit notes.
Do the length labels mean the same thing at every brand?
No. Carhartt lists Short at 29–30 inches and Dickies lists Short at 30 inches, so the labels overlap but do not match. Always check the inseam figure on the exact product page rather than trusting the word “Regular” on its own.
Should I size up if I plan to wear a base layer underneath?
Often yes, especially in rigid work twill that does not stretch. Adding a layer changes the fit through the hip and thigh. Measure while wearing the layers you will work in, or take the larger of the two sizes when you are between them.
Sources
- Carhartt. “Women’s Rugged Flex Relaxed Fit Canvas Work Pant” Source for waist and hip measurement guidance, size range, and inseam lengths.
- Dickies. “Women’s 874 R Work Pants” Source for the hip-first sizing rule and Short/Regular/Tall inseam figures.
- Nike. “How to Measure Women’s Pant Size” Source for inseam definition and short/tall length conventions.