# How to increase BigFloat precision

**URL:** <https://discourse.julialang.org/t/how-to-increase-bigfloat-precision/54634>\
**Category:** General Usage\
**Tags:** question\
**Created:** [February 4, 2021, 5:32pm UTC](https://discourse.julialang.org/t/how-to-increase-bigfloat-precision/54634 "2021-02-04T17:32:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Renan\_Rabelo](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/renan_rabelo/32/8048_2.png) [@Renan\_Rabelo](https://discourse.julialang.org/u/Renan_Rabelo)\
**Post date:** [February 4, 2021, 5:32pm UTC](https://discourse.julialang.org/t/how-to-increase-bigfloat-precision/54634/1 "2021-02-04T17:32:33Z")

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I need more decimal places with a BigFloat type variable.  
How to?

Thanks!

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<div class="post-metadata">

**Author:** ![Oscar\_Smith](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/oscar_smith/32/25343_2.png) [@Oscar\_Smith](https://discourse.julialang.org/u/Oscar_Smith)\
**Post date:** [February 4, 2021, 5:32pm UTC](https://discourse.julialang.org/t/how-to-increase-bigfloat-precision/54634/2 "2021-02-04T17:32:59Z")

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[https://docs.julialang.org/en/v1/base/numbers/#Base.MPFR.setprecision](https://docs.julialang.org/en/v1/base/numbers/#Base.MPFR.setprecision)