DOLLARFR Function

Excel 2007+

Summary

The DOLLARFR function converts a standard decimal dollar amount into a fractional dollar representation, commonly used for displaying securities prices and financial instruments that trade in fractional increments.

Syntax

DOLLARFR(decimal_dollar, fraction)

Parameters

Parameter Type Required Description
decimal_dollar Number Yes Decimal number representing the dollar amount to convert into fractional format
fraction Number Yes Integer specifying the denominator for the fractional part (e.g., 16 for 16ths)

Using the DOLLARFR Function

DOLLARFR is essential for financial professionals working with markets that use fractional pricing. Convert standard decimal prices to traditional fractional formats used in bonds, treasuries, and certain stock exchanges.

Common DOLLARFR Examples

Convert to 16ths (Common for Stocks)

=DOLLARFR(1.125,16)

Converts 1.125 to 1 2/16, displayed as 1.02 in Excel.

Convert to 32nds (Common for Bonds)

=DOLLARFR(1.125,32)

Converts 1.125 to 1 4/32, displayed as 1.04 in Excel.

Treasury Bill Pricing

=DOLLARFR(A1,64)

Converts decimal price in A1 to 64ths format used in T-bill quotes.

Frequently Asked Questions

Excel truncates non-integer fractions to the nearest lower integer.

Fraction=0 returns #DIV/0!, Fraction<0 returns #NUM! error.

Values between 0 and 1 represent fractional parts; whole numbers plus fractions work for full prices.

Common Errors and Solutions

#NUM! error

Cause: Fraction argument is negative

Solution: Use only positive integers for the fraction parameter

#DIV/0! error

Cause: Fraction argument is zero

Solution: Provide a positive integer greater than zero

#VALUE! error

Cause: Non-numeric input for decimal_dollar or fraction

Solution: Ensure both arguments are valid numbers

Notes

  • Fraction is truncated if not an integer
  • Common denominators: 2, 4, 8, 16, 32, 64, 100
  • Result displays as decimal but represents fractional dollars
  • Excel stores as decimal value for calculations

Compatibility

Available in: Excel 2007, Excel 2010, Excel 2013, Excel 2016, Excel 2019, Excel 2021, Microsoft 365

Not available in: Excel 2003 and earlier

Content last reviewed: December 9, 2025
Update frequency: As needed
Excel versions tested: Excel 2007+