Ratio Calculator
RATIO CALCULATOR
P615
SIMPLIFY OR SCALE RATIO
P615
A
first
B
second
K
factor
RESULT
SIMPLEST RATIO
READY
—
MODE
Simplify A:B
WORK
ratio steps
01
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—
—
—
—
—
PAGE 1/13
RATIO KEYPAD
P615/2
MOBILE KEYS + WORKING
KEYS
WORK
same live result
02
Use this page for bigger phone buttons.
Result and working update from Page 1.
NEXT moves input box. ENTER saves result.
Use PREVIOUS to return to inputs.
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WHAT IT DOES
P615
RATIO TOOL
INFO
Purpose
This calculator simplifies ratios and scales ratios by a chosen factor.
Simplify
Enter A and B to reduce A:B to the smallest whole-number ratio.
Scale
Enter K to multiply both parts and create an equivalent ratio.
Output
The result box shows the ratio and the working panel shows how it was found.
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FORMULAS
P615
RATIO RULES
MATHS
Simplify ratio
A÷g : B÷g
Greatest divisor
g = gcd(A,B)
Scale ratio
A×K : B×K
Equivalent
same relation
Invalid ratio
0:0
Example
12:18 = 2:3
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HOW TO USE
P615
PAGE 1 STEPS
GUIDE
Step 1
Enter the first part in A and the second part in B.
Step 2
Choose SIMPLIFY to reduce A:B to lowest terms.
Step 3
Choose SCALE K to multiply both parts by the same factor.
Step 4
Press ENTER to save the result to history.
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EXAMPLES
P615
WORKED ANSWERS
EXAMPLES
Reduce
12:18 simplifies to 2:3 because both parts divide by 6.
Scale
2:3 scaled by 4 gives 8:12.
Equivalent
2:3 and 8:12 are equivalent because the relationship is unchanged.
Check
0:0 is not valid because no comparison can be made.
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WHO USES IT
P615
COMMON USERS
USERS
Students
Check ratio homework, proportion questions and classwork answers.
Teachers
Show simplest form and equivalent ratio examples quickly.
Parents
Help with worksheets, revision and school maths practice.
Everyday
Use it for recipes, mixing, measuring, designs and scaling plans.
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FAQ
P615
COMMON QUESTIONS
FAQ
Simplify?
Yes. Enter A and B, then choose SIMPLIFY to reduce the ratio.
Scale?
Yes. Choose SCALE K and enter the factor to multiply both parts.
A:B?
A:B compares two quantities in order as first part to second part.
0:0?
0:0 is not a valid ratio and is shown as an error.
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BENEFITS
P615
WHY USE THIS PAGE
HELP
Fast
The calculator gives a simplified or scaled ratio quickly.
Clear
It shows the divisor or scale factor used in the working panel.
Safe
Support text is split into internal pages, not forced into the tool screen.
Mobile
Phone controls are split across two pages so the footer never covers the tool.
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RELATED TOOLS
P615
MATHS LINKS
LINKS
PAGE 10/13
SEARCH TERMS
P615
QUERY COVERAGE
SEO
ratio calculator
online ratio calculator
simplify ratio calculator
ratio simplifier
reduce ratio calculator
simplest form ratio
A to B ratio calculator
ratio homework checker
PAGE 11/13
MORE SEARCH TERMS
P615
EXTRA SEO TERMS
SEO 2
equivalent ratio calculator
scale ratio calculator
multiply ratio by factor
proportion calculator
ratio with working
ratio lowest terms
recipe ratio calculator
Teletext ratio calculator
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SUMMARY
P615
CALCULATION SUMMARY
END
Reduce
Simplify mode divides both parts by the greatest common divisor.
Scale
Scale mode multiplies both parts by the same factor K.
Compare
Equivalent ratios keep the same relationship between the two parts.
Return
Press NEXT to loop back to the calculator and solve another ratio.
PAGE 13/13