SPEED
Distance ÷ Time = Speed
Choose what to find • NO SCROLL
FIND
S
Choose the unknown
ROUNDING
2DP
Result rounding only
DISTANCE
D
Any units (km, m, miles)
TIME
T
Same time units (h, s)
SPEED
S
Units per time (km/h)
REMEMBER
DST
Triangle: D over S and T
WORKING
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—
—
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SPEED
READY
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FIND
S
Choose the unknown
ROUNDING
2DP
Result rounding only
DISTANCE
D
Any units (km, m, miles)
TIME
T
Same time units (h, s)
SPEED
S
Units per time (km/h)
REMEMBER
DST
Triangle: D over S and T
WORKING
—
—
—
—
—
SPEED
READY
—
PAGE 1/2
HOW TO USE
1) Choose FIND
2) Enter the other two
3) Press SOLVE
4) Read working + answer
FORMULAS
S = D ÷ T
D = S × T
T = D ÷ S
WORKED EXAMPLE
D=120 km, T=2 h
S = 120 ÷ 2 = 60
So: 60 km/h
TIPS
Keep units consistent
Convert time if needed
Round at the end
Show units in answers
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