Watt to Foot-pound per Second Converter
Power · unit-converter
Convert Watt to Foot-pound per Second with a fixed input and output unit, step-by-step formula line, and reference tables. Linear units use SI watt definitions; mechanical hp uses 550 ft·lbf/s; BTU/h uses the IT BTU; dBm/dBW are logarithmic relative to 1 mW and 1 W. The full Power Converter also includes PS/CV, TR, kVA/MVA, and ft·lb/s.
Calculator
From: Watt (w)
To: Foot-pound per Second (ft_lb_s)
About Watt
The watt is the SI unit of power (one joule per second). All linear units in this converter are defined by a fixed watt equivalent.
About Foot-pound per Second
Foot-pounds per second is a mechanical power rate: 1 ft·lb/s = 1.3558179483314004 W (exactly, from the international foot definition).
How to convert watts to foot-pounds per second
1 watt is equal to 0.73756214927727 foot-pound per second when both are expressed in watt-equivalents:
1 w = (1 W ÷ 1.3558179483314003 W) ft_lb_s = 0.73756214927727 ft_lb_s
Each watt is defined as 1 W and each foot-pound per second as 1.3558179483314003 W in this tool, so one w equals 1 ÷ 1.3558179483314003 ft_lb_s = 0.73756214927727 ft_lb_s.
Let d(w) be the numeric value in Watt (w), and d(ft_lb_s) the value in Foot-pound per Second (ft_lb_s). Then:
d(ft_lb_s) = d(w) × (1 / 1.3558179483314003)
Equivalently, divide by how many w fit into one ft_lb_s (watts per ft_lb_s divided by watts per w):
d(ft_lb_s) = d(w) ÷ 1.3558179483314
Or: foot-pound per second = watt ÷ 1.3558179483314
Examples
Example #1: Convert 1 w to foot-pound per second
1 w = 1 w × (1/1.3558179483314003) ft_lb_s = 0.7375621493 ft_lb_s
1 w = 1 w ÷ 1.3558179483314 = 0.7375621493 ft_lb_s
Intermediate watts: 1 W
Example #2: Convert 10 w to foot-pound per second
10 w = 10 w × (1/1.3558179483314003) ft_lb_s = 7.3756214928 ft_lb_s
10 w = 10 w ÷ 1.3558179483314 = 7.3756214928 ft_lb_s
Intermediate watts: 10 W
Summary
To convert Watt to Foot-pound per Second, multiply the value in w by the ratio of watts per w divided by watts per ft_lb_s. Equivalently: value_ft_lb_s = value_w × (1 / 1.3558179483314003). Numerically, 1 w equals 0.7375621492772654 ft_lb_s.
Relationship context
You are converting between SI / decimal power (watts and prefixes) (Watts) and mechanical power (horsepower, ft·lb/s) (Foot-pounds per Second). All linear values are mapped through watts first. The numeric factor is 7.375621e-1.
Conversion tables
| Watt (w) | Foot-pound per Second (ft_lb_s) |
|---|---|
| 0.1 | 0.0737562149 |
| 1 | 0.7375621493 |
| 2 | 1.4751242985 |
| 3 | 2.2126864478 |
| 4 | 2.9502485971 |
| 5 | 3.6878107464 |
| 6 | 4.4253728957 |
| 7 | 5.1629350449 |
| 8 | 5.9004971942 |
| 9 | 6.6380593435 |
| Watt (w) | Foot-pound per Second (ft_lb_s) |
|---|---|
| 10 | 7.3756214928 |
| 20 | 14.7512429855 |
| 30 | 22.1268644783 |
| 40 | 29.5024859711 |
| 50 | 36.8781074639 |
| 60 | 44.2537289566 |
| 70 | 51.6293504494 |
| 80 | 59.0049719422 |
| 90 | 66.380593435 |
| 100 | 73.7562149277 |