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Real Estate Math Concepts
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Gravity
Terms in this set (80)
12 inches =
1 foot
inches / 12 = FEET
144 inches / 12 = 12 feet
feet x 12 = INCHES
12 feet x 12 = 144 inches
36 inches =
1 yard
inches / 36 = YARDS
144 inches / 36 = 4 yards
yards x 36 = INCHES
4 yards x 36 = 144 inches
3 feet =
1 yard
feet / 3 = YARDS
12 feet / 3 = 4 yards
yards x 3 = FEET
4 yards x 3 = 12 feet
5,280 feet =
1 mile
Feet / 16.5 = RODS
82.5 feet / 16.5 = 5 rods
Rods x 16.5 = FEET
5 rods x 16.5 = 82.5 feet
320 rods =
1 mile
rods / 320 = MILES
640 rods / 320 = 2 miles
miles x 320 = RODS
2 miles x 320 = 640 rods
linear/running foot means to
add all sides together
area is quoted in
square units or acres
a linear measure multiplied by another linear measure always equals
a square measure meant (12 x 12 = 144)
144 square inches =
1 square foot
square inches / 144 = SQUARE FEET
14,400 square inches / 144 = 100 square feet
square feet x 144 = square inches
100 square feet x 144 = 14400 square inches
1,296 square inches =
1 square yard
square inches / 1,296 = SQUARE YARDS
12960 / 1296 = 10 square yards
square yards x 1296 = SQUARE INCHES
10 square yards x 1296 = 12960 square yards
9 square feet =
1 square yard
square feet / 9 = SQUARE YARDS
90 square feet / 9 = 10 square yards
square yards x 9 = SQUARE FEET
10 square feet x 9 = 90 square feet
43,560 square feet =
1 acre
square feet / 43,560 = ACRES
87,120 square feet / 43,560 = 2 acres
acre x 43, 560 = SQUARE FEET
2 acres x 43,560 = 87,120 square feet
640 acres =
1 section = 1 square mile
acres / 640 = SECTIONS (SQUARE MILES)
1280 acres / 640 = 2 sections (square miles)
section (square miles) x 640 = ACRES
2 sections x 640 = 1280 acres
length x width =
are of a square or rectangle
to make like dimensions divide the inches by
feet (9" equals .75)
(base x height) / 2 =
area of a triangle
volume
space inside a three-dimensional object
length, width and height
There are always three measures in volume
multiplying the three measures expressed in the same kind of units results in
cubic units (ex. feet times feet times feet = cubic feet)
1,728 cubic inches =
1 cubic foot
cubic inches / 1728 = CUBIC INCHES
10 cubic feet x 1,728 = 17,280 cubic inches
cubic feet x 1,728 = CUBIC INCHES
10 cubic feet x 1728 = 17,280 cubic inches
46,656 cubic inches =
1 cubic yard
cubic inches / 46,656 = CUBIC YARDS
93,312 cubic inches / 46, 656 = 2 cubic yards
cubic yards x 46,656 = CUBIC INCHES
2 cubic yards x 46,656 = 93,312 cubic inches
27 cubic feet =
1 yard
cubic feet / 27 = CUBIC YARDS
270 cubic feet / 27 = 10 cubic yards
cubic yards x 27 = CUBIC FEET
10 cubic feet x 27 = 270 cubic feet
length x width x height =
volume of a box
triangle prism
a-frame, a-shaped, or gable roof describes a
(base x height x width) / 2 =
volume of a triangular prism
total x rate =
part
part / rate =
total
part / total =
rate
sales price x full commission rate =
full commission
broker's share of the commission
full brokerage commission x % of full brokerage commission to the broker =
sales associate's share of the commission
brokers's share of the commission x full brokerage commission =
% after commission
100% - commission % =
seller's dollars after commission
sales price x percentage after commission =
loan amount
sales price or appraised value (whichever is less) x loan-to-value ratio (LTV) =
annual interest
loan amount (principal) x annual interest rate =
monthly PI payment
(loan amount / 1000) x loan payment factor =
loan amount
monthly PI payment / loan payment factor =
How do determine monthly principal and interest payments on a loan
loan payment factor
profit
seller's cost x percentage of profit
sales price
seller's cost x percentage sold of cost
effective gross income
scheduled gross income - vacancies and credit losses =
NOI property's annual net operating income
Effective gross income - annual operating wxpenses =
Value x capitalization rate =
property's annual net operating income (NOI)
How do I estimate value for income-producing properties?
value x capitalization rate = NOI
gross sales subject to the percentage
gross sales - ross sales nor subject to the percentage
percentage rent
gross sales subject to the percentage x % in the lease =
how do i solve problems involving percentage leases?
gross sales subject to the percentage x percentage in the lease = percentage rent
how do i determine profit?
seller's cost x percentage of profit = profit
how do i determine sales price?
seller's cost x percentage sold of cost = sales price
how do i determine monthly principal and interest payments?
(loan amount / 1000) x loan payment factor = monthly PI payment and monthly PI payment / loan payment factor = loan amount
how do i solve problems about points?
loan amount x points as percentage of loan = amount paid for points
how do i determine interest?
sales price or appraised value (whichever is less) x loan-to-value ratio (LTV) = loan amount or loan amount (principal) x annual interest rate = annual interest
how do i determine seller's dollars after commission?
sales price x percentage after commission = seller's dollars after commission
how do i solve for commission problems?
sales price x full commission rate = full commission or full brokerage commission x % of full brokerage commission to the broker = broker's share of the commission or broker's share of the commission x sales associate's % of the broker's share = sales associate's share of the commission
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