The DEWALT DWHT77100 Laser Distance Measure is your essential tool for quick, precise measurements up to 30 meters (100 feet). Whether you’re on a construction site or planning a DIY project at home, this compact device effortlessly calculates both metric and imperial distances. It goes beyond basic measuring: easily compute area, volume, and even apply the Pythagorean method for indirect measurements.
Designed for portability, the DWHT77100 features a lightweight, ergonomic build. The TPE overmould ensures a secure grip with effective slip protection, while a built-in lanyard loop prevents accidental drops—perfect for busy, fast-paced environments.
Key Features
- Measures in Metric & Imperial: Switch easily between meters and feet/inches for global compatibility.
- Advanced Calculation Modes: Instantly calculate area, volume, and indirect heights/distances with the Pythagoras function.
- Range: Measure distances up to 30 meters (100 feet) with high accuracy.
- Precision You Can Trust: Accurate to ±3mm per 10 meters, ideal for critical carpentry, fit-out, or renovations.
- Compact & Lightweight: Easy one-hand operation fits in your pocket or tool pouch.
- Slip-Resistant TPE Grip: Keeps the device secure in hand for safer, more reliable operation.
- Lanyard Loop: Attach to your belt, wrist, or tool bag to prevent drops.
- Battery Powered: Supplied with 2 x AAA batteries for reliable use right out of the box.
Technical Specifications
| Feature | Specification |
|---|---|
| Accuracy | ±3mm per 10m |
| Range | 30m |
| Power | 2 x AAA batteries (included) |
| Calculations | Area, Volume, Pythagoras |
| Design | TPE overmould, lanyard loop |
What’s in the Box
- DEWALT DWHT77100 Laser Distance Measure 30m
- 2 x AAA batteries (supplied)
- User documentation
Why Choose the DWHT77100?
- Get professional-grade precision and durability trusted by tradespeople.
- Simplifies layout, estimation, and verification for all types of construction and renovation projects.
- Easy to carry, easy to use, and ready for work anywhere.





