diff --git a/src/axes.typ b/src/axes.typ
index e1dc27b..1d172c9 100644
--- a/src/axes.typ
+++ b/src/axes.typ
@@ -86,6 +86,7 @@
   padding: 0,
 ))
 
+// Default Schoolbook Style
 #let default-style-schoolbook = util.merge-dictionary(default-style, (
   x: (stroke: auto, fill: none, mark: (start: none, end: "straight"),
     tick: (label: (anchor: "north"))),
@@ -223,14 +224,13 @@
 // - ticks (dictionary): Tick settings:
 //     - step (number): Major tic step
 //     - minor-step (number): Minor tic step
-//     - unit (content): Tick label suffix
 //     - decimals (int): Tick float decimal length
 // - label (content): Axis label
 // - mode (string): Axis scaling function. Takes `lin` or `log`
 // - base (number): Base for tick labels when logarithmically scaled.
 #let axis(min: -1, max: 1, label: none,
           ticks: (step: auto, minor-step: none,
-                  unit: none, decimals: 2, grid: false,
+                  decimals: 2, grid: false,
                   format: "float"
                   ),
           mode: auto, base: auto) = (
@@ -260,9 +260,6 @@
     value = str(value)
   }
 
-  if tic-options.at("unit", default: none) != none {
-    value += tic-options.unit
-  }
   return value
 }
 
diff --git a/src/chart/barchart.typ b/src/chart/barchart.typ
index ec7df40..441eeec 100644
--- a/src/chart/barchart.typ
+++ b/src/chart/barchart.typ
@@ -54,7 +54,6 @@
 ///                 width can be set to `auto`.
 /// - bar-style (style,function): Style or function (idx => style) to use for
 ///                               each bar, accepts a palette function.
-/// - x-unit (content,auto): Tick suffix added to each tick label
 /// - y-label (content,none): Y axis label
 /// - x-label (content,none): x axis label
 /// - labels (none,content): Legend labels per x value group
@@ -67,7 +66,7 @@
               size: (auto, 1),
               bar-style: palette.red,
               x-label: none,
-              x-unit: auto,
+              x-format: auto,
               y-label: none,
               labels: none,
               ..plot-args
@@ -100,9 +99,9 @@
     (data.len() - i - 1, t.at(label-key))
   })
 
-  let x-unit = x-unit
-  if x-unit == auto {
-    x-unit = if mode == "stacked100" {[%]} else []
+  let x-format = x-format
+  if x-format == auto {
+    x-format = if mode == "stacked100" {plot.formats.decimal.with(suffix: [%])} else {auto}
   }
 
   data = data.enumerate().map(((i, d)) => {
@@ -119,6 +118,7 @@
               axis-style: "scientific-auto",
               x-label: x-label,
               x-grid: true,
+              x-format: x-format,
               y-label: y-label,
               y-min: -y-inset,
               y-max: data.len() + y-inset - 1,
diff --git a/src/chart/columnchart.typ b/src/chart/columnchart.typ
index 5a4fcb3..0ab65ad 100644
--- a/src/chart/columnchart.typ
+++ b/src/chart/columnchart.typ
@@ -54,7 +54,6 @@
 ///                 width can be set to `auto`.
 /// - bar-style (style,function): Style or function (idx => style) to use for
 ///   each bar, accepts a palette function.
-/// - y-unit (content,auto): Tick suffix added to each tick label
 /// - y-label (content,none): Y axis label
 /// - x-label (content,none): x axis label
 /// - labels (none,content): Legend labels per y value group
@@ -67,7 +66,7 @@
                  size: (auto, 1),
                  bar-style: palette.red,
                  x-label: none,
-                 y-unit: auto,
+                 y-format: auto,
                  y-label: none,
                  labels: none,
                  ..plot-args
@@ -98,9 +97,9 @@
     (i, t.at(label-key))
   })
 
-  let y-unit = y-unit
-  if y-unit == auto {
-    y-unit = if mode == "stacked100" {[%]} else []
+  let y-format = y-format
+  if y-format == auto {
+    y-format = if mode == "stacked100" {plot.formats.decimal.with(suffix: [%])} else {auto}
   }
 
   data = data.enumerate().map(((i, d)) => {
@@ -117,6 +116,7 @@
               axis-style: "scientific-auto",
               y-grid: true,
               y-label: y-label,
+              y-format: y-format,
               x-min: -x-inset,
               x-max: data.len() + x-inset - 1,
               x-tick-step: none,
diff --git a/src/plot.typ b/src/plot.typ
index 9992fa4..acf36aa 100644
--- a/src/plot.typ
+++ b/src/plot.typ
@@ -115,9 +115,6 @@
 ///   Number of decimals digits to display for tick labels, if the format is set
 ///   to `"float"`.
 /// ])
-/// #show-parameter-block("unit", ("none", "content"), default: "none", [
-///   Suffix to append to all tick labels.
-/// ])
 /// #show-parameter-block("mode", ("none", "string"), default: "none", [
 ///   The scaling function of the axis. Takes `lin` (default) for linear scaling,
 ///   and `log` for logarithmic scaling.])
diff --git a/src/plot/formats.typ b/src/plot/formats.typ
index f4e8d20..60a12f7 100644
--- a/src/plot/formats.typ
+++ b/src/plot/formats.typ
@@ -83,27 +83,29 @@
 ///   could be found, a real number with `digits` digits is used.
 /// - digits (int): Number of digits to use for rounding
 /// - eps (number): Epsilon used for comparison
+/// - prefix (content): Content to prefix
+/// - suffix (content): Content to append
 /// -> Content if a matching fraction could be found or none
-#let multiple-of(value, factor: calc.pi, symbol: $pi$, fraction: true, digits: 2, eps: 1e-6) = {
+#let multiple-of(value, factor: calc.pi, symbol: $pi$, fraction: true, digits: 2, eps: 1e-6, prefix: [], suffix: []) = {
   if _compare(value, 0, eps: eps) {
     return _block-eq($0$)
   }
 
   let a = value / factor
   if _compare(a, 1, eps: eps) {
-    return _block-eq(symbol)
+    return _block-eq(prefix + symbol + suffix)
   } else if _compare(a, -1, eps: eps) {
-    return _block-eq($-$ + symbol)
+    return _block-eq(prefix + $-$ + symbol + suffix)
   }
 
   if fraction != none {
     let frac = _find-fraction(a, denom: if fraction == true { auto } else { fraction })
     if frac != none {
-      return _block-eq(frac + symbol)
+      return _block-eq(prefix + frac + symbol + suffix)
     }
   }
 
-  return _block-eq($#calc.round(a, digits: digits)$ + symbol)
+  return _block-eq(prefix + $#calc.round(a, digits: digits)$ + symbol + suffix)
 }
 
 /// Scientific notation tick formatter
@@ -119,8 +121,10 @@
 ///
 /// - value (number): Value to format
 /// - digits (int): Number of digits for rounding the factor
+/// - prefix (content): Content to prefix
+/// - suffix (content): Content to append
 /// -> Content
-#let sci(value, digits: 2) = {
+#let sci(value, digits: 2, prefix: [], suffix: []) = {
   let exponent = if value != 0 {
     calc.floor(calc.log(calc.abs(value), base: 10))
   } else {
@@ -136,10 +140,10 @@
 
   value = calc.round(value, digits: digits)
   if exponent <= -1 or exponent >= 1 {
-    return _block-eq($#value times 10^#exponent$)
+    return _block-eq(prefix + $#value times 10^#exponent$ + suffix)
   }
 
-  return _block-eq($#value$)
+  return _block-eq(prefix + $#value$ + suffix)
 }
 
 /// Rounded decimal number formatter
@@ -155,7 +159,9 @@
 ///
 /// - value (number): Value to format
 /// - digits (int): Number of digits to round to
+/// - prefix (content): Content to prefix
+/// - suffix (content): Content to append
 /// -> Content
-#let decimal(value, digits: 2) = {
-  _block-eq($#calc.round(value, digits: digits)$)
+#let decimal(value, digits: 2, prefix: [], suffix: []) = {
+  _block-eq(prefix + $#calc.round(value, digits: digits)$ + suffix)
 }
diff --git a/tests/axes/ref/1.png b/tests/axes/ref/1.png
index 17ba71d..816f0ad 100644
Binary files a/tests/axes/ref/1.png and b/tests/axes/ref/1.png differ
diff --git a/tests/axes/test.typ b/tests/axes/test.typ
index 21b2e7e..a4b6153 100644
--- a/tests/axes/test.typ
+++ b/tests/axes/test.typ
@@ -36,7 +36,7 @@
     draw-unset: false,
     top: none,
     bottom: axes.axis(min: -1, max: 1, ticks: (step: 1, minor-step: auto,
-      grid: "both", unit: [ units])),
+      grid: "both", format: plot.formats.decimal.with(prefix: $<-$, suffix: $->$))),
     left: axes.axis(min: -1, max: 1, ticks: (step: .5, minor-step: auto,
       grid: false)),
     right: axes.axis(min: -10, max: 10, ticks: (step: auto, minor-step: auto,
diff --git a/tests/chart/ref/1.png b/tests/chart/ref/1.png
index 4dcad6c..b7e9f6d 100644
Binary files a/tests/chart/ref/1.png and b/tests/chart/ref/1.png differ
diff --git a/tests/plot/violin/test.typ b/tests/plot/violin/test.typ
index 3822e2f..93afadb 100644
--- a/tests/plot/violin/test.typ
+++ b/tests/plot/violin/test.typ
@@ -22,7 +22,6 @@
   let default-colors = (palette.blue-colors.at(3), palette.pink-colors.at(3))
 
   plot.plot(size: (9, 6),
-    
     y-label: [Age],
     y-min: -10, y-max: 20,
     y-tick-step: 10, y-minor-tick-step: 5,